)]}' { "log": [ { "commit": "a35afb830f8d71ec211531aeb9a621b09a2efb39", "tree": "198280081e1f8b2f6c450742a5075cc7904a3d58", "parents": [ "5577bd8a85c8b7643a241789b14fafa9c8a6c7db" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Wed May 16 22:10:57 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu May 17 05:23:04 2007 -0700" }, "message": "Remove SLAB_CTOR_CONSTRUCTOR\n\nSLAB_CTOR_CONSTRUCTOR is always specified. No point in checking it.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Steven French \u003csfrench@us.ibm.com\u003e\nCc: Michael Halcrow \u003cmhalcrow@us.ibm.com\u003e\nCc: OGAWA Hirofumi \u003chirofumi@mail.parknet.co.jp\u003e\nCc: Miklos Szeredi \u003cmiklos@szeredi.hu\u003e\nCc: Steven Whitehouse \u003cswhiteho@redhat.com\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: David Woodhouse \u003cdwmw2@infradead.org\u003e\nCc: Dave Kleikamp \u003cshaggy@austin.ibm.com\u003e\nCc: Trond Myklebust \u003ctrond.myklebust@fys.uio.no\u003e\nCc: \"J. Bruce Fields\" \u003cbfields@fieldses.org\u003e\nCc: Anton Altaparmakov \u003caia21@cantab.net\u003e\nCc: Mark Fasheh \u003cmark.fasheh@oracle.com\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Jan Kara \u003cjack@ucw.cz\u003e\nCc: David Chinner \u003cdgc@sgi.com\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "52ade9b3b97fd3bea42842a056fe0786c28d0555", "tree": "70ae152f573b5d0f5078e2506830c3b804ab6816", "parents": [ "7b104bcb8e460e45a1aebe3da9b86aacdb4cab12" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 16 15:28:14 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 16 15:33:19 2007 -0700" }, "message": "Fix ACPI suspend / device suspend ordering problem\n\nIn commit e3c7db621bed4afb8e231cb005057f2feb5db557 we fixed the resume\nordering, so that the ACPI low-level resume code was called before the\nactual driver resume was called. However, that broke the nesting logic\nof suspend and resume, and we continued to suspend the devices _after_\nwe the ACPI device suspend code was called.\n\nThat resulted in us saving PCI state for devices that had already been\nchanged by ACPI, and in some cases disabled entirely (causing the PCI\nsave_state to be all-ones). Which in turn caused the wrong state to be\nwritten back on resume.\n\nThis moves the ACPI device suspend to after the device model per-device\nsuspend() calls. This fixes the bogus state save.\n\nThanks to Lukáš Hejtmánek for testing.\n\nAcked-by: Lukas Hejtmanek \u003cxhejtman@ics.muni.cz\u003e\nAcked-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nCc: Len Brown \u003clen.brown@intel.com\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "327b9eebbf2b7ce632e93a9c1386d944af0dadf4", "tree": "00e790015e0f2b37527e866c1ff6e90ea44d15f9", "parents": [ "b4e1ded3cf6e13c122f019532cb60347d6c88c8c" ], "author": { "name": "Al Viro", "email": "viro@ftp.linux.org.uk", "time": "Tue May 15 20:37:10 2007 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 15 18:56:37 2007 -0700" }, "message": "audit_match_signal() and friends are used only if CONFIG_AUDITSYSCALL is set\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "8f89441b37536fea92b1ed7004e5e2dda011473d", "tree": "7587c859ea62fb3905613fc4265a8120b5384516", "parents": [ "3c46bdcaec53eda069a8a9cd60621c7431aa7842" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Tue May 15 01:41:32 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 15 08:54:00 2007 -0700" }, "message": "clocksource: fix lock order in the resume path\n\nlockdep complains about the lock nesting of clocksource and watchdog lock\nin the resume path.\n\nChange the resume marker to a bit operation and remove the lock from this\npath.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d10ff3fb62bd38415c0f7be3d75d107e1f67e59a", "tree": "402df109059cb64f88fb26c0cf5eb86b8c9fdae3", "parents": [ "705962ccc9d21a08b74b6b6e1d3cf10f98968a67" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Mon May 14 11:10:02 2007 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon May 14 12:13:11 2007 -0700" }, "message": "timekeeping fix patch got mis-applied\n\nThe time keeping code move to kernel/time/timekeeping.c broke the\nclocksource resume logic patch, which got applied to the old file by a\nfuzzy application. Fix it up and move the clocksource_resume() call to\nthe appropriate place.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n[ tssk, tssk, everybody should use --fuzz\u003d0 ]\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "8df767dd759c1390f604814ee5b2d1489f9a59f7", "tree": "438fdca637bc0e07e9e86b7f2bbf68a9eed05435", "parents": [ "10fb62e5b72c2485c3e0efd8b103254c0d087676" ], "author": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Sat May 12 10:37:02 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sat May 12 10:55:40 2007 -0700" }, "message": "compat signalfd and timerfd are cond syscalls\n\nAdd missing cond_syscall statements for compat_sys_signalfd and\ncompat_sys_timerfd.\n\nCc: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2a383c63ff933a496f19d6559ab54ac14871b7f3", "tree": "b0f4a4fbc4d882c7fea7c6b8f69924284abff76d", "parents": [ "8bd994815987dda0947bd9afd887b1410713d4f7", "2bd62a40f63bd628c43a2f3637b252d0967659b0" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 12:53:21 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 12:53:21 2007 -0700" }, "message": "Merge branch \u0027release\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6\n\n* \u0027release\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:\n [IA64] Quicklist support for IA64\n [IA64] fix Kprobes reentrancy\n [IA64] SN: validate smp_affinity mask on intr redirect\n [IA64] drivers/char/snsc_event.c:206: warning: unused variable `p\u0027\n [IA64] mca.c:121: warning: \u0027cpe_poll_timer\u0027 defined but not used\n [IA64] Fix - Section mismatch: reference to .init.data:mvec_name\n [IA64] more warning cleanups\n [IA64] Wire up epoll_pwait and utimensat\n [IA64] Fix warnings resulting from type-checking in dev_dbg()\n [IA64] typo s/kenrel/kernel/\n" }, { "commit": "853da0022023c046e0a5ccc51d427745f0c94de7", "tree": "bc36f80f00aa11c3c239a80ecf04ba8238219ce8", "parents": [ "5884c40668a928bba017eaf54e2eb3c01c8a98e6", "0a4ff8c2598b72f2fa9d50aae9e1809e684dbf41" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 09:57:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 09:57:16 2007 -0700" }, "message": "Merge branch \u0027audit.b38\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current\n\n* \u0027audit.b38\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:\n [PATCH] Abnormal End of Processes\n [PATCH] match audit name data\n [PATCH] complete message queue auditing\n [PATCH] audit inode for all xattr syscalls\n [PATCH] initialize name osid\n [PATCH] audit signal recipients\n [PATCH] add SIGNAL syscall class (v3)\n [PATCH] auditing ptrace\n" }, { "commit": "25d61578daae697c4a0eb817f42a868af9824f82", "tree": "ec4ac10132f0b12a822dba6a53d05bab78ec3760", "parents": [ "3e3d32770204ea24cf71919a90d9ccfc2bd407dd" ], "author": { "name": "John Keller", "email": "jpk@sgi.com", "time": "Thu May 10 22:42:44 2007 -0700" }, "committer": { "name": "Tony Luck", "email": "tony.luck@intel.com", "time": "Fri May 11 09:35:38 2007 -0700" }, "message": "[IA64] SN: validate smp_affinity mask on intr redirect\n\nOn SN, only allow one bit to be set in the smp_affinty mask when\nredirecting an interrupt. Currently setting multiple bits is allowed, but\nonly the first bit is used in determining the CPU to redirect to. This has\ncaused confusion among some customers.\n\n[akpm@linux-foundation.org: fixes]\nSigned-off-by: John Keller \u003cjpk@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Tony Luck \u003ctony.luck@intel.com\u003e\n" }, { "commit": "e1ad7468c77ddb94b0615d5f50fa255525fde0f0", "tree": "856be1a028fece7e1fa10b7b585096839913fe2e", "parents": [ "83f5d1266926c75890f1bc4678e49d79483cb573" ], "author": { "name": "Davide Libenzi", "email": "davidel@xmailserver.org", "time": "Thu May 10 22:23:19 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:36 2007 -0700" }, "message": "signal/timer/event: eventfd core\n\nThis is a very simple and light file descriptor, that can be used as event\nwait/dispatch by userspace (both wait and dispatch) and by the kernel\n(dispatch only). It can be used instead of pipe(2) in all cases where those\nwould simply be used to signal events. Their kernel overhead is much lower\nthan pipes, and they do not consume two fds. When used in the kernel, it can\noffer an fd-bridge to enable, for example, functionalities like KAIO or\nsyslets/threadlets to signal to an fd the completion of certain operations.\nBut more in general, an eventfd can be used by the kernel to signal readiness,\nin a POSIX poll/select way, of interfaces that would otherwise be incompatible\nwith it. The API is:\n\nint eventfd(unsigned int count);\n\nThe eventfd API accepts an initial \"count\" parameter, and returns an eventfd\nfd. It supports poll(2) (POLLIN, POLLOUT, POLLERR), read(2) and write(2).\n\nThe POLLIN flag is raised when the internal counter is greater than zero.\n\nThe POLLOUT flag is raised when at least a value of \"1\" can be written to the\ninternal counter.\n\nThe POLLERR flag is raised when an overflow in the counter value is detected.\n\nThe write(2) operation can never overflow the counter, since it blocks (unless\nO_NONBLOCK is set, in which case -EAGAIN is returned).\n\nBut the eventfd_signal() function can do it, since it\u0027s supposed to not sleep\nduring its operation.\n\nThe read(2) function reads the __u64 counter value, and reset the internal\nvalue to zero. If the value read is equal to (__u64) -1, an overflow happened\non the internal counter (due to 2^64 eventfd_signal() posts that has never\nbeen retired - unlickely, but possible).\n\nThe write(2) call writes an __u64 count value, and adds it to the current\ncounter. The eventfd fd supports O_NONBLOCK also.\n\nOn the kernel side, we have:\n\nstruct file *eventfd_fget(int fd);\nint eventfd_signal(struct file *file, unsigned int n);\n\nThe eventfd_fget() should be called to get a struct file* from an eventfd fd\n(this is an fget() + check of f_op being an eventfd fops pointer).\n\nThe kernel can then call eventfd_signal() every time it wants to post an event\nto userspace. The eventfd_signal() function can be called from any context.\nAn eventfd() simple test and bench is available here:\n\nhttp://www.xmailserver.org/eventfd-bench.c\n\nThis is the eventfd-based version of pipetest-4 (pipe(2) based):\n\nhttp://www.xmailserver.org/pipetest-4.c\n\nNot that performance matters much in the eventfd case, but eventfd-bench\nshows almost as double as performance than pipetest-4.\n\n[akpm@linux-foundation.org: fix i386 build]\n[akpm@linux-foundation.org: add sys_eventfd to sys_ni.c]\nSigned-off-by: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "83f5d1266926c75890f1bc4678e49d79483cb573", "tree": "ae97719503b7fe3688413655d89772bb8b644312", "parents": [ "57ac8898508638ca6d15ecd8b911a431d673ff30" ], "author": { "name": "Davide Libenzi", "email": "davidel@xmailserver.org", "time": "Thu May 10 22:23:18 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:36 2007 -0700" }, "message": "signal/timer/event: timerfd compat code\n\nThis patch implements the necessary compat code for the timerfd system call.\n\nSigned-off-by: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b215e283992899650c4271e7385c79e26fb9a88e", "tree": "3f950814510422606821f1b0b373d65e4d9ed303", "parents": [ "6d18c9220965b437287c3a7e803725c24992ceac" ], "author": { "name": "Davide Libenzi", "email": "davidel@xmailserver.org", "time": "Thu May 10 22:23:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:36 2007 -0700" }, "message": "signal/timer/event: timerfd core\n\nThis patch introduces a new system call for timers events delivered though\nfile descriptors. This allows timer event to be used with standard POSIX\npoll(2), select(2) and read(2). As a consequence of supporting the Linux\nf_op-\u003epoll subsystem, they can be used with epoll(2) too.\n\nThe system call is defined as:\n\nint timerfd(int ufd, int clockid, int flags, const struct itimerspec *utmr);\n\nThe \"ufd\" parameter allows for re-use (re-programming) of an existing timerfd\nw/out going through the close/open cycle (same as signalfd). If \"ufd\" is -1,\ns new file descriptor will be created, otherwise the existing \"ufd\" will be\nre-programmed.\n\nThe \"clockid\" parameter is either CLOCK_MONOTONIC or CLOCK_REALTIME. The time\nspecified in the \"utmr-\u003eit_value\" parameter is the expiry time for the timer.\n\nIf the TFD_TIMER_ABSTIME flag is set in \"flags\", this is an absolute time,\notherwise it\u0027s a relative time.\n\nIf the time specified in the \"utmr-\u003eit_interval\" is not zero (.tv_sec \u003d\u003d 0,\ntv_nsec \u003d\u003d 0), this is the period at which the following ticks should be\ngenerated.\n\nThe \"utmr-\u003eit_interval\" should be set to zero if only one tick is requested.\nSetting the \"utmr-\u003eit_value\" to zero will disable the timer, or will create a\ntimerfd without the timer enabled.\n\nThe function returns the new (or same, in case \"ufd\" is a valid timerfd\ndescriptor) file, or -1 in case of error.\n\nAs stated before, the timerfd file descriptor supports poll(2), select(2) and\nepoll(2). When a timer event happened on the timerfd, a POLLIN mask will be\nreturned.\n\nThe read(2) call can be used, and it will return a u32 variable holding the\nnumber of \"ticks\" that happened on the interface since the last call to\nread(2). The read(2) call supportes the O_NONBLOCK flag too, and EAGAIN will\nbe returned if no ticks happened.\n\nA quick test program, shows timerfd working correctly on my amd64 box:\n\nhttp://www.xmailserver.org/timerfd-test.c\n\n[akpm@linux-foundation.org: add sys_timerfd to sys_ni.c]\nSigned-off-by: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fba2afaaec790dc5ab4ae8827972f342211bbb86", "tree": "2694d4cd8c6b7d69a5569b92151d61a3d4af39b7", "parents": [ "5dc8bf8132d59c03fe2562bce165c2f03f021687" ], "author": { "name": "Davide Libenzi", "email": "davidel@xmailserver.org", "time": "Thu May 10 22:23:13 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:36 2007 -0700" }, "message": "signal/timer/event: signalfd core\n\nThis patch series implements the new signalfd() system call.\n\nI took part of the original Linus code (and you know how badly it can be\nbroken :), and I added even more breakage ;) Signals are fetched from the same\nsignal queue used by the process, so signalfd will compete with standard\nkernel delivery in dequeue_signal(). If you want to reliably fetch signals on\nthe signalfd file, you need to block them with sigprocmask(SIG_BLOCK). This\nseems to be working fine on my Dual Opteron machine. I made a quick test\nprogram for it:\n\nhttp://www.xmailserver.org/signafd-test.c\n\nThe signalfd() system call implements signal delivery into a file descriptor\nreceiver. The signalfd file descriptor if created with the following API:\n\nint signalfd(int ufd, const sigset_t *mask, size_t masksize);\n\nThe \"ufd\" parameter allows to change an existing signalfd sigmask, w/out going\nto close/create cycle (Linus idea). Use \"ufd\" \u003d\u003d -1 if you want a brand new\nsignalfd file.\n\nThe \"mask\" allows to specify the signal mask of signals that we are interested\nin. The \"masksize\" parameter is the size of \"mask\".\n\nThe signalfd fd supports the poll(2) and read(2) system calls. The poll(2)\nwill return POLLIN when signals are available to be dequeued. As a direct\nconsequence of supporting the Linux poll subsystem, the signalfd fd can use\nused together with epoll(2) too.\n\nThe read(2) system call will return a \"struct signalfd_siginfo\" structure in\nthe userspace supplied buffer. The return value is the number of bytes copied\nin the supplied buffer, or -1 in case of error. The read(2) call can also\nreturn 0, in case the sighand structure to which the signalfd was attached,\nhas been orphaned. The O_NONBLOCK flag is also supported, and read(2) will\nreturn -EAGAIN in case no signal is available.\n\nIf the size of the buffer passed to read(2) is lower than sizeof(struct\nsignalfd_siginfo), -EINVAL is returned. A read from the signalfd can also\nreturn -ERESTARTSYS in case a signal hits the process. The format of the\nstruct signalfd_siginfo is, and the valid fields depends of the (-\u003ecode \u0026\n__SI_MASK) value, in the same way a struct siginfo would:\n\nstruct signalfd_siginfo {\n\t__u32 signo;\t/* si_signo */\n\t__s32 err;\t/* si_errno */\n\t__s32 code;\t/* si_code */\n\t__u32 pid;\t/* si_pid */\n\t__u32 uid;\t/* si_uid */\n\t__s32 fd;\t/* si_fd */\n\t__u32 tid;\t/* si_fd */\n\t__u32 band;\t/* si_band */\n\t__u32 overrun;\t/* si_overrun */\n\t__u32 trapno;\t/* si_trapno */\n\t__s32 status;\t/* si_status */\n\t__s32 svint;\t/* si_int */\n\t__u64 svptr;\t/* si_ptr */\n\t__u64 utime;\t/* si_utime */\n\t__u64 stime;\t/* si_stime */\n\t__u64 addr;\t/* si_addr */\n};\n\n[akpm@linux-foundation.org: fix signalfd_copyinfo() on i386]\nSigned-off-by: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "0800d30832ddecf2d9dc40068fed9df95930a8f1", "tree": "fa4aa77d9cd95818b4ba32ced6bbb096c19b1bfb", "parents": [ "85868995d9d82de5b0de38d695559daddffef893" ], "author": { "name": "Sukadev Bhattiprolu", "email": "sukadev@us.ibm.com", "time": "Thu May 10 22:23:04 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:36 2007 -0700" }, "message": "Use task_pgrp() task_session() in copy_process()\n\nUse task_pgrp() and task_session() in copy_process(), and avoid find_pid()\ncall when attaching the task to its process group and session.\n\nSigned-off-by: Sukadev Bhattiprolu \u003csukadev@us.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: \u003ccontainers@lists.osdl.org\u003e\nAcked-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "85868995d9d82de5b0de38d695559daddffef893", "tree": "d66d265a14739e2c622c8e3ce507e09ffc5200fb", "parents": [ "0e29b24aa6b3eb6c161cbb9e42fc20b47e67a7c6" ], "author": { "name": "Sukadev Bhattiprolu", "email": "sukadev@us.ibm.com", "time": "Thu May 10 22:23:03 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:35 2007 -0700" }, "message": "Use struct pid parameter in copy_process()\n\nModify copy_process() to take a struct pid * parameter instead of a pid_t.\nThis simplifies the code a bit and also avoids having to call find_pid() to\nconvert the pid_t to a struct pid.\n\nChangelog:\n\t- Fixed Badari Pulavarty\u0027s comments and passed in \u0026init_struct_pid\n\t from fork_idle().\n\t- Fixed Eric Biederman\u0027s comments and simplified this patch and\n\t used a new patch to remove the likely(pid) check.\n\nSigned-off-by: Sukadev Bhattiprolu \u003csukadev@us.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: Eric Biederman \u003cebiederm@xmission.com\u003e\nCc: \u003ccontainers@lists.osdl.org\u003e\nAcked-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "820e45db2380eb1545fa2bc5d34b8b2f2933faeb", "tree": "426e89e9205e44559d949d9cdf8bf1035bdc3710", "parents": [ "e713d0dab21a68500720e222fa02567fc7dfb14b" ], "author": { "name": "Sukadev Bhattiprolu", "email": "sukadev@us.ibm.com", "time": "Thu May 10 22:23:00 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:35 2007 -0700" }, "message": "statically initialize struct pid for swapper\n\nStatically initialize a struct pid for the swapper process (pid_t \u003d\u003d 0) and\nattach it to init_task. This is needed so task_pid(), task_pgrp() and\ntask_session() interfaces work on the swapper process also.\n\nSigned-off-by: Sukadev Bhattiprolu \u003csukadev@us.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: Eric Biederman \u003cebiederm@xmission.com\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: \u003ccontainers@lists.osdl.org\u003e\nAcked-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e713d0dab21a68500720e222fa02567fc7dfb14b", "tree": "a56f90ce94d9287b73da6db72ed0e73542a70a07", "parents": [ "4ac24b3ba9016881b11646114bb5cd12cf23edd9" ], "author": { "name": "Sukadev Bhattiprolu", "email": "sukadev@us.ibm.com", "time": "Thu May 10 22:22:58 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:35 2007 -0700" }, "message": "attach_pid() with struct pid parameter\n\nattach_pid() currently takes a pid_t and then uses find_pid() to find the\ncorresponding struct pid. Sometimes we already have the struct pid. We can\nthen skip find_pid() if attach_pid() were to take a struct pid parameter.\n\nSigned-off-by: Sukadev Bhattiprolu \u003csukadev@us.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: \u003ccontainers@lists.osdl.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "3e88c553db938ad016026375f0545304b9030b42", "tree": "bbf9f04dea6f70e6a93a7b26e13db4778c9f3221", "parents": [ "00b8fd236764e3d5bc1d30dc65e256e283de4c3d" ], "author": { "name": "Daniel Walker", "email": "dwalker@mvista.com", "time": "Thu May 10 22:22:53 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:35 2007 -0700" }, "message": "use defines in sys_getpriority/sys_setpriority\n\nSwitch to the defines for these two checks, instead of hard coding the\nvalues.\n\n[akpm@linux-foundation.org: add missing include]\nSigned-off-by: Daniel Walker \u003cdwalker@mvista.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a12bb44471b819c7f33d8a83044e7116c124e3d5", "tree": "cdf3fee16c535d70659fd343d11b3578941f3596", "parents": [ "2d3fbbb391e280724f7f7804ab00ff61cf1b6a4c" ], "author": { "name": "Benjamin Herrenschmidt", "email": "benh@kernel.crashing.org", "time": "Thu May 10 22:22:47 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:34 2007 -0700" }, "message": "stop_machine() now uses hard_irq_disable\n\nAdd a call to hard_irq_disable() to stop_machine so that we make sure IRQs are\nreally disabled and not only lazy-disabled on archs like powerpc as some users\nof stop_machine() may rely on that.\n\n[akpm@linux-foundation.org: build fix]\nSigned-off-by: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nAcked-by: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6eaeeaba39e5fa3d52a0bb8de15e995516ae251a", "tree": "5b4052fabfe107ad5332cb758ad8d86ea5a87848", "parents": [ "02239c29967418284c05d58971894d658575e78c" ], "author": { "name": "Eric Dumazet", "email": "dada1@cosmosbay.com", "time": "Thu May 10 22:22:37 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:34 2007 -0700" }, "message": "getrusage(): fill ru_inblock and ru_oublock fields if possible\n\nIf CONFIG_TASK_IO_ACCOUNTING is defined, we update io accounting counters for\neach task.\n\nThis patch permits reporting of values using the well known getrusage()\nsyscall, filling ru_inblock and ru_oublock instead of null values.\n\nAs TASK_IO_ACCOUNTING currently counts bytes counts, we approximate blocks\ncount doing : nr_blocks \u003d nr_bytes / 512\n\nExample of use :\n----------------------\nAfter patch is applied, /usr/bin/time command can now give a good\napproximation of IO that the process had to do.\n\n$ /usr/bin/time grep tototo /usr/include/*\nCommand exited with non-zero status 1\n0.00user 0.02system 0:02.11elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k\n24288inputs+0outputs (0major+259minor)pagefaults 0swaps\n\n$ /usr/bin/time dd if\u003d/dev/zero of\u003d/tmp/testfile count\u003d1000\n1000+0 enregistrements lus\n1000+0 enregistrements écrits\n512000 octets (512 kB) copiés, 0,00326601 seconde, 157 MB/s\n0.00user 0.00system 0:00.00elapsed 80%CPU (0avgtext+0avgdata 0maxresident)k\n0inputs+3000outputs (0major+299minor)pagefaults 0swaps\n\nSigned-off-by: Eric Dumazet \u003cdada1@cosmosbay.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "0a4ff8c2598b72f2fa9d50aae9e1809e684dbf41", "tree": "309f2b2b5874692302862534cd9052a1d96018ba", "parents": [ "5712e88f2b0f626a4857c24128810bbf8ce09537" ], "author": { "name": "Steve Grubb", "email": "sgrubb@redhat.com", "time": "Thu Apr 19 10:28:21 2007 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 11 05:38:26 2007 -0400" }, "message": "[PATCH] Abnormal End of Processes\n\nHi,\n\nI have been working on some code that detects abnormal events based on audit\nsystem events. One kind of event that we currently have no visibility for is\nwhen a program terminates due to segfault - which should never happen on a\nproduction machine. And if it did, you\u0027d want to investigate it. Attached is a\npatch that collects these events and sends them into the audit system.\n\nSigned-off-by: Steve Grubb \u003csgrubb@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "5712e88f2b0f626a4857c24128810bbf8ce09537", "tree": "1285a3e632e6c3d6dfecc2c3445770a559c712ca", "parents": [ "4fc03b9beb2314f3adb9e72b7935a80c577954d1" ], "author": { "name": "Amy Griffis", "email": "amy.griffis@hp.com", "time": "Tue Feb 13 14:15:22 2007 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 11 05:38:26 2007 -0400" }, "message": "[PATCH] match audit name data\n\nMake more effort to detect previously collected names, so we don\u0027t log\nmultiple PATH records for a single filesystem object. Add\naudit_inc_name_count() to reduce duplicate code.\n\nSigned-off-by: Amy Griffis \u003camy.griffis@hp.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "4fc03b9beb2314f3adb9e72b7935a80c577954d1", "tree": "81e04534c582923fcdc8212497d1487ddae412a8", "parents": [ "510f4006e7a82b37b53c17bbe64ec20f3a59302b" ], "author": { "name": "Amy Griffis", "email": "amy.griffis@hp.com", "time": "Tue Feb 13 14:15:01 2007 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 11 05:38:26 2007 -0400" }, "message": "[PATCH] complete message queue auditing\n\nHandle the edge cases for POSIX message queue auditing. Collect inode\ninfo when opening an existing mq, and for send/receive operations. Remove\naudit_inode_update() as it has really evolved into the equivalent of\naudit_inode().\n\nSigned-off-by: Amy Griffis \u003camy.griffis@hp.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "e41e8bde43026d5d2e41464e6105a50b31e34102", "tree": "1ba5c647ce69db81d327b0024294445a449cf1c0", "parents": [ "e54dc2431d740a79a6bd013babade99d71b1714f" ], "author": { "name": "Amy Griffis", "email": "amy.griffis@hp.com", "time": "Tue Feb 13 14:14:09 2007 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 11 05:38:25 2007 -0400" }, "message": "[PATCH] initialize name osid\n\nAudit contexts can be reused, so initialize a name\u0027s osid to the\ndefault in audit_getname(). This ensures we don\u0027t log a bogus object\nlabel when no inode data is collected for a name.\n\nSigned-off-by: Amy Griffis \u003camy.griffis@hp.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "e54dc2431d740a79a6bd013babade99d71b1714f", "tree": "16b0990d5c16946239a17b332f54b5918fb03305", "parents": [ "7f13da40e36c84d0d046b7adbd060af7d3717250" ], "author": { "name": "Amy Griffis", "email": "amy.griffis@hp.com", "time": "Thu Mar 29 18:01:04 2007 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 11 05:38:25 2007 -0400" }, "message": "[PATCH] audit signal recipients\n\nWhen auditing syscalls that send signals, log the pid and security\ncontext for each target process. Optimize the data collection by\nadding a counter for signal-related rules, and avoiding allocating an\naux struct unless we have more than one target process. For process\ngroups, collect pid/context data in blocks of 16. Move the\naudit_signal_info() hook up in check_kill_permission() so we audit\nattempts where permission is denied.\n\nSigned-off-by: Amy Griffis \u003camy.griffis@hp.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "a5cb013da773a67ee48d1c19e96436c22a73a7eb", "tree": "8832d105c4742674423bd50352b8a4805c44fecc", "parents": [ "129a84de2347002f09721cda3155ccfd19fade40" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Mar 20 13:58:35 2007 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 11 05:38:25 2007 -0400" }, "message": "[PATCH] auditing ptrace\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "e9910846fdb19f7c5810cbe4c95e4ca6dab6a00f", "tree": "dbfea7352c38b615d92c9c207980e9640a8a5e84", "parents": [ "c91e23c63f77a7643d857a082248cf2cdb71b67c" ], "author": { "name": "akpm@linux-foundation.org", "email": "akpm@linux-foundation.org", "time": "Thu May 10 03:16:01 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu May 10 09:26:53 2007 -0700" }, "message": "timer: revert parenthesis fix in tbase_get_deferrable() etc\n\nOn 09-05-2007 21:10, Pallipadi, Venkatesh wrote:\n...\n\u003e On a 64 bit system, converting pointer to int causes unnecessary\n\u003e compiler warning, and intermediate long conversion was to avoid that.\n\u003e I will have to rephrase my comment to remove 32 bit value and use int,\n\u003e as that is what the function returns.\n\nSo, this patch reverts all changes done by my previous patch.\n\nI apologize for my wrong comment about \"logical error\" here.\n\nCc: \"Pallipadi, Venkatesh\" \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Satyam Sharma \u003csatyam.sharma@gmail.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Jarek Poplawski \u003cjarkao2@o2.pl\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "aabded9c3aab5160ae2ca3dd1fa0fa37f3d510e4", "tree": "8544d546735bcb975b8dec296eb9b6dc6531fb2a", "parents": [ "9a9136e270af14da506f66bcafcc506b86a86498", "f1a1eb299a8422c3e8d41753095bec44b2493398" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:56:01 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:56:01 2007 -0700" }, "message": "Merge branch \u0027master\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc\n\n* \u0027master\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:\n [POWERPC] Further fixes for the removal of 4level-fixup hack from ppc32\n [POWERPC] EEH: log all PCI-X and PCI-E AER registers\n [POWERPC] EEH: capture and log pci state on error\n [POWERPC] EEH: Split up long error msg\n [POWERPC] EEH: log error only after driver notification.\n [POWERPC] fsl_soc: Make mac_addr const in fs_enet_of_init().\n [POWERPC] Don\u0027t use SLAB/SLUB for PTE pages\n [POWERPC] Spufs support for 64K LS mappings on 4K kernels\n [POWERPC] Add ability to 4K kernel to hash in 64K pages\n [POWERPC] Introduce address space \"slices\"\n [POWERPC] Small fixes \u0026 cleanups in segment page size demotion\n [POWERPC] iSeries: Make HVC_ISERIES the default\n [POWERPC] iSeries: suppress build warning in lparmap.c\n [POWERPC] Mark pages that don\u0027t exist as nosave\n [POWERPC] swsusp: Introduce register_nosave_region_late\n" }, { "commit": "9a9136e270af14da506f66bcafcc506b86a86498", "tree": "b4d0a6877d92635134b7a944d0032fbc43227fd2", "parents": [ "3960208f9ca0cf6bdb31c21c59ac0526303f8b34", "7bb2acb76e8168ca5d0bde5a5a56585a11b3525a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:54:17 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:54:17 2007 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits)\n sound: convert \"sound\" subdirectory to UTF-8\n MAINTAINERS: Add cxacru website/mailing list\n include files: convert \"include\" subdirectory to UTF-8\n general: convert \"kernel\" subdirectory to UTF-8\n documentation: convert the Documentation directory to UTF-8\n Convert the toplevel files CREDITS and MAINTAINERS to UTF-8.\n remove broken URLs from net drivers\u0027 output\n Magic number prefix consistency change to Documentation/magic-number.txt\n trivial: s/i_sem /i_mutex/\n fix file specification in comments\n drivers/base/platform.c: fix small typo in doc\n misc doc and kconfig typos\n Remove obsolete fat_cvf help text\n Fix occurrences of \"the the \"\n Fix minor typoes in kernel/module.c\n Kconfig: Remove reference to external mqueue library\n Kconfig: A couple of grammatical fixes in arch/i386/Kconfig\n Correct comments in genrtc.c to refer to correct /proc file.\n Fix more \"deprecated\" spellos.\n Fix \"deprecated\" typoes.\n ...\n\nFix trivial comment conflict in kernel/relay.c.\n" }, { "commit": "f7e4217b007d1f73e7e3cf10ba4fea4a608c603f", "tree": "9c3932bb871d4b6727dc588e4d6c9987637aaee5", "parents": [ "c9f4f06d3191bd91c1a081b54a6c8e913e7b8a83" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Wed May 09 02:35:17 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "rename thread_info to stack\n\nThis finally renames the thread_info field in task structure to stack, so that\nthe assumptions about this field are gone and archs have more freedom about\nplacing the thread_info structure.\n\nNonbroken archs which have a proper thread pointer can do the access to both\ncurrent thread and task structure via a single pointer.\n\nIt\u0027ll allow for a few more cleanups of the fork code, from which e.g. ia64\ncould benefit.\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\n[akpm@linux-foundation.org: build fix]\nCc: Richard Henderson \u003crth@twiddle.net\u003e\nCc: Ivan Kokshaysky \u003cink@jurassic.park.msu.ru\u003e\nCc: Russell King \u003crmk@arm.linux.org.uk\u003e\nCc: Ian Molton \u003cspyro@f2s.com\u003e\nCc: Haavard Skinnemoen \u003chskinnemoen@atmel.com\u003e\nCc: Mikael Starvik \u003cstarvik@axis.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Yoshinori Sato \u003cysato@users.sourceforge.jp\u003e\nCc: \"Luck, Tony\" \u003ctony.luck@intel.com\u003e\nCc: Hirokazu Takata \u003ctakata@linux-m32r.org\u003e\nCc: Geert Uytterhoeven \u003cgeert@linux-m68k.org\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: Greg Ungerer \u003cgerg@uclinux.org\u003e\nCc: Ralf Baechle \u003cralf@linux-mips.org\u003e\nCc: Ralf Baechle \u003cralf@linux-mips.org\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nCc: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e\nCc: Paul Mundt \u003clethal@linux-sh.org\u003e\nCc: Kazumoto Kojima \u003ckkojima@rr.iij4u.or.jp\u003e\nCc: Richard Curnow \u003crc@rc0.org.uk\u003e\nCc: William Lee Irwin III \u003cwli@holomorphy.com\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nCc: Jeff Dike \u003cjdike@addtoit.com\u003e\nCc: Paolo \u0027Blaisorblade\u0027 Giarrusso \u003cblaisorblade@yahoo.it\u003e\nCc: Miles Bader \u003cuclinux-v850@lsi.nec.co.jp\u003e\nCc: Andi Kleen \u003cak@muc.de\u003e\nCc: Chris Zankel \u003cchris@zankel.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c9f4f06d3191bd91c1a081b54a6c8e913e7b8a83", "tree": "fe6bb926f612e67b1e57c6a448c7e5d41dd69dad", "parents": [ "e61a1c1c4f240cec61300c8f27518c3e47570fd4" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Wed May 09 02:35:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "wrap access to thread_info\n\nRecently a few direct accesses to the thread_info in the task structure snuck\nback, so this wraps them with the appropriate wrapper.\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b52f52a093bb1e841e014c2087b5bee7162da413", "tree": "7b7135897195fc9d14473d3ab824d59a4b65e5ad", "parents": [ "4037d452202e34214e8a939fa5621b2b3bbb45b7" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Wed May 09 02:35:15 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "clocksource: fix resume logic\n\nWe need to make sure that the clocksources are resumed, when timekeeping is\nresumed. The current resume logic does not guarantee this.\n\nAdd a resume function pointer to the clocksource struct, so clocksource\ndrivers which need to reinitialize the clocksource can provide a resume\nfunction.\n\nAdd a resume function, which calls the maybe available clocksource resume\nfunctions and resets the watchdog function, so a stable TSC can be used\naccross suspend/resume.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: \u003cstable@kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "77461ab33229d48614402decfb1b2eaa6d446861", "tree": "d2675ff079e887645ed25ae5f793aa907d53c66a", "parents": [ "d1187ed21026fd512b87851d0ca26d9ae16f9059" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Wed May 09 02:35:13 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "Make vm statistics update interval configurable\n\nMake it configurable. Code in mm makes the vm statistics intervals\nindependent from the cache reaper use that opportunity to make it\nconfigurable.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "455c017ae3934797653549704c286e7bcc3a9397", "tree": "7b5b67916b064e3ce7868082e0915f37b437aeb8", "parents": [ "8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Wed May 09 02:35:11 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "microcode: use suspend-related CPU hotplug notifications\n\nMake the microcode driver use the suspend-related CPU hotplug notifications\nto handle the CPU hotplug events occuring during system-wide suspend and\nresume transitions. Remove the global variable suspend_cpu_hotplug\npreviously used for this purpose.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nCc: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d", "tree": "f4e305edaedbde05774bb1e4acd89a9475661d2e", "parents": [ "f37bc2712b54ec641e0c0c8634f1a4b61d9956c0" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Wed May 09 02:35:10 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "Add suspend-related notifications for CPU hotplug\n\nSince nonboot CPUs are now disabled after tasks and devices have been\nfrozen and the CPU hotplug infrastructure is used for this purpose, we need\nspecial CPU hotplug notifications that will help the CPU-hotplug-aware\nsubsystems distinguish normal CPU hotplug events from CPU hotplug events\nrelated to a system-wide suspend or resume operation in progress. This\npatch introduces such notifications and causes them to be used during\nsuspend and resume transitions. It also changes all of the\nCPU-hotplug-aware subsystems to take these notifications into consideration\n(for now they are handled in the same way as the corresponding \"normal\"\nones).\n\n[oleg@tv-sign.ru: cleanups]\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nCc: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "38a23e311b6cd389b9d8af2ea6c28c8cffbe581c", "tree": "742b2d0e5e6f7015afe92dfa87ed22964082b8cb", "parents": [ "34f01cc1f512fa783302982776895c73714ebbc2" ], "author": { "name": "Jarek Poplawski", "email": "jarkao2@o2.pl", "time": "Wed May 09 02:35:05 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:55 2007 -0700" }, "message": "timer: parenthesis fix in tbase_get_deferrable() etc\n\nSigned-off-by: Jarek Poplawski \u003cjarkao2@o2.pl\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "34f01cc1f512fa783302982776895c73714ebbc2", "tree": "776b50ee9592803853b3b4c1845f8ba527b868b9", "parents": [ "d0aa7a70bf03b9de9e995ab272293be1f7937822" ], "author": { "name": "Eric Dumazet", "email": "dada1@cosmosbay.com", "time": "Wed May 09 02:35:04 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:55 2007 -0700" }, "message": "FUTEX: new PRIVATE futexes\n\n Analysis of current linux futex code :\n --------------------------------------\n\nA central hash table futex_queues[] holds all contexts (futex_q) of waiting\nthreads.\n\nEach futex_wait()/futex_wait() has to obtain a spinlock on a hash slot to\nperform lookups or insert/deletion of a futex_q.\n\nWhen a futex_wait() is done, calling thread has to :\n\n1) - Obtain a read lock on mmap_sem to be able to validate the user pointer\n (calling find_vma()). This validation tells us if the futex uses\n an inode based store (mapped file), or mm based store (anonymous mem)\n\n2) - compute a hash key\n\n3) - Atomic increment of reference counter on an inode or a mm_struct\n\n4) - lock part of futex_queues[] hash table\n\n5) - perform the test on value of futex.\n\t(rollback is value !\u003d expected_value, returns EWOULDBLOCK)\n\t(various loops if test triggers mm faults)\n\n6) queue the context into hash table, release the lock got in 4)\n\n7) - release the read_lock on mmap_sem\n\n \u003cblock\u003e\n\n8) Eventually unqueue the context (but rarely, as this part  may be done\n by the futex_wake())\n\nFutexes were designed to improve scalability but current implementation has\nvarious problems :\n\n- Central hashtable :\n\n This means scalability problems if many processes/threads want to use\n futexes at the same time.\n This means NUMA unbalance because this hashtable is located on one node.\n\n- Using mmap_sem on every futex() syscall :\n\n Even if mmap_sem is a rw_semaphore, up_read()/down_read() are doing atomic\n ops on mmap_sem, dirtying cache line :\n - lot of cache line ping pongs on SMP configurations.\n\n mmap_sem is also extensively used by mm code (page faults, mmap()/munmap())\n Highly threaded processes might suffer from mmap_sem contention.\n\n mmap_sem is also used by oprofile code. Enabling oprofile hurts threaded\n programs because of contention on the mmap_sem cache line.\n\n- Using an atomic_inc()/atomic_dec() on inode ref counter or mm ref counter:\n It\u0027s also a cache line ping pong on SMP. It also increases mmap_sem hold time\n because of cache misses.\n\nMost of these scalability problems come from the fact that futexes are in\none global namespace. As we use a central hash table, we must make sure\nthey are all using the same reference (given by the mm subsystem). We\nchose to force all futexes be \u0027shared\u0027. This has a cost.\n\nBut fact is POSIX defined PRIVATE and SHARED, allowing clear separation,\nand optimal performance if carefuly implemented. Time has come for linux\nto have better threading performance.\n\nThe goal is to permit new futex commands to avoid :\n - Taking the mmap_sem semaphore, conflicting with other subsystems.\n - Modifying a ref_count on mm or an inode, still conflicting with mm or fs.\n\nThis is possible because, for one process using PTHREAD_PROCESS_PRIVATE\nfutexes, we only need to distinguish futexes by their virtual address, no\nmatter the underlying mm storage is.\n\nIf glibc wants to exploit this new infrastructure, it should use new\n_PRIVATE futex subcommands for PTHREAD_PROCESS_PRIVATE futexes. And be\nprepared to fallback on old subcommands for old kernels. Using one global\nvariable with the FUTEX_PRIVATE_FLAG or 0 value should be OK.\n\nPTHREAD_PROCESS_SHARED futexes should still use the old subcommands.\n\nCompatibility with old applications is preserved, they still hit the\nscalability problems, but new applications can fly :)\n\nNote : the same SHARED futex (mapped on a file) can be used by old binaries\n*and* new binaries, because both binaries will use the old subcommands.\n\nNote : Vast majority of futexes should be using PROCESS_PRIVATE semantic,\nas this is the default semantic. Almost all applications should benefit\nof this changes (new kernel and updated libc)\n\nSome bench results on a Pentium M 1.6 GHz (SMP kernel on a UP machine)\n\n/* calling futex_wait(addr, value) with value !\u003d *addr */\n433 cycles per futex(FUTEX_WAIT) call (mixing 2 futexes)\n424 cycles per futex(FUTEX_WAIT) call (using one futex)\n334 cycles per futex(FUTEX_WAIT_PRIVATE) call (mixing 2 futexes)\n334 cycles per futex(FUTEX_WAIT_PRIVATE) call (using one futex)\nFor reference :\n187 cycles per getppid() call\n188 cycles per umask() call\n181 cycles per ni_syscall() call\n\nSigned-off-by: Eric Dumazet \u003cdada1@cosmosbay.com\u003e\nPierre Peiffer \u003cpierre.peiffer@bull.net\u003e\nCc: \"Ulrich Drepper\" \u003cdrepper@gmail.com\u003e\nCc: \"Nick Piggin\" \u003cnickpiggin@yahoo.com.au\u003e\nCc: \"Ingo Molnar\" \u003cmingo@elte.hu\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d0aa7a70bf03b9de9e995ab272293be1f7937822", "tree": "194b30b7b8374b946f166996cb99fb95eb3b7819", "parents": [ "c19384b5b296905d4988c7c684ff540a0f9d65be" ], "author": { "name": "Pierre Peiffer", "email": "pierre.peiffer@bull.net", "time": "Wed May 09 02:35:02 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:55 2007 -0700" }, "message": "futex_requeue_pi optimization\n\nThis patch provides the futex_requeue_pi functionality, which allows some\nthreads waiting on a normal futex to be requeued on the wait-queue of a\nPI-futex.\n\nThis provides an optimization, already used for (normal) futexes, to be used\nwith the PI-futexes.\n\nThis optimization is currently used by the glibc in pthread_broadcast, when\nusing \"normal\" mutexes. With futex_requeue_pi, it can be used with\nPRIO_INHERIT mutexes too.\n\nSigned-off-by: Pierre Peiffer \u003cpierre.peiffer@bull.net\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Ulrich Drepper \u003cdrepper@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c19384b5b296905d4988c7c684ff540a0f9d65be", "tree": "071cfe0855d409d63de80ec1b9b663738efb09de", "parents": [ "ec92d08292d3e9b0823eba138a4564d2d39f25c7" ], "author": { "name": "Pierre Peiffer", "email": "pierre.peiffer@bull.net", "time": "Wed May 09 02:35:02 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:55 2007 -0700" }, "message": "Make futex_wait() use an hrtimer for timeout\n\nThis patch modifies futex_wait() to use an hrtimer + schedule() in place of\nschedule_timeout().\n\nschedule_timeout() is tick based, therefore the timeout granularity is the\ntick (1 ms, 4 ms or 10 ms depending on HZ). By using a high resolution timer\nfor timeout wakeup, we can attain a much finer timeout granularity (in the\nmicrosecond range). This parallels what is already done for futex_lock_pi().\n\nThe timeout passed to the syscall is no longer converted to jiffies and is\ntherefore passed to do_futex() and futex_wait() as an absolute ktime_t\ntherefore keeping nanosecond resolution.\n\nAlso this removes the need to pass the nanoseconds timeout part to\nfutex_lock_pi() in val2.\n\nIn futex_wait(), if there is no timeout then a regular schedule() is\nperformed. Otherwise, an hrtimer is fired before schedule() is called.\n\n[akpm@linux-foundation.org: fix `make headers_check\u0027]\nSigned-off-by: Sebastien Dugue \u003csebastien.dugue@bull.net\u003e\nSigned-off-by: Pierre Peiffer \u003cpierre.peiffer@bull.net\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Ulrich Drepper \u003cdrepper@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ec92d08292d3e9b0823eba138a4564d2d39f25c7", "tree": "4dc94792e83d51b036d52e92e8d4f137a2efce97", "parents": [ "f34c506b0385b43abd25c490335036ecbb173aed" ], "author": { "name": "Pierre Peiffer", "email": "pierre.peiffer@bull.net", "time": "Wed May 09 02:35:00 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:55 2007 -0700" }, "message": "futex priority based wakeup\n\nToday, all threads waiting for a given futex are woken in FIFO order (first\nwaiter woken first) instead of priority order.\n\nThis patch makes use of plist (pirotity ordered lists) instead of simple list\nin futex_hash_bucket.\n\nAll non-RT threads are stored with priority MAX_RT_PRIO, causing them to be\nwoken last, in FIFO order (RT-threads are woken first, in priority order).\n\nSigned-off-by: Sebastien Dugue \u003csebastien.dugue@bull.net\u003e\nSigned-off-by: Pierre Peiffer \u003cpierre.peiffer@bull.net\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Ulrich Drepper \u003cdrepper@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6e84d644b5929789398914b0ccf447355dec6fb0", "tree": "0de4bd0c8d3bf4cd764275f02d56d8576f376ae5", "parents": [ "7b0834c26fd796c79dfcc3939ed2b9122b75246f" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:46 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "make cancel_rearming_delayed_work() reliable\n\nThanks to Jarek Poplawski for the ideas and for spotting the bug in the\ninitial draft patch.\n\ncancel_rearming_delayed_work() currently has many limitations, because it\nrequires that dwork always re-arms itself via queue_delayed_work(). So it\nhangs forever if dwork doesn\u0027t do this, or cancel_rearming_delayed_work/\ncancel_delayed_work was already called. It uses flush_workqueue() in a\nloop, so it can\u0027t be used if workqueue was freezed, and it is potentially\nlive- lockable on busy system if delay is small.\n\nWith this patch cancel_rearming_delayed_work() doesn\u0027t make any assumptions\nabout dwork, it can re-arm itself via queue_delayed_work(), or\nqueue_work(), or do nothing.\n\nAs a \"side effect\", cancel_work_sync() was changed to handle re-arming works\nas well.\n\nDisadvantages:\n\n\t- this patch adds wmb() to insert_work().\n\n\t- slowdowns the fast path (when del_timer() succeeds on entry) of\n\t cancel_rearming_delayed_work(), because wait_on_work() is called\n\t unconditionally. In that case, compared to the old version, we are\n\t doing \"unneeded\" lock/unlock for each online CPU.\n\n\t On the other hand, this means we don\u0027t need to use cancel_work_sync()\n\t after cancel_rearming_delayed_work().\n\n\t- complicates the code (.text grows by 130 bytes).\n\n[akpm@linux-foundation.org: fix speling]\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: David Chinner \u003cdgc@sgi.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Gautham Shenoy \u003cego@in.ibm.com\u003e\nAcked-by: Jarek Poplawski \u003cjarkao2@o2.pl\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7b0834c26fd796c79dfcc3939ed2b9122b75246f", "tree": "870eb42cd02b9012fd0ab06d7efb5e7596376bad", "parents": [ "10ab825bdef8df510f99c703a5a2d9b13a4e31a5" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Wed May 09 02:34:41 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "Remove kthread_bind() call from _cpu_down()\n\nWe are anyway kthread_stop()ping other per-cpu kernel threads after\nmove_task_off_dead_cpu(), so we can do it with the stop_machine_run thread\nas well.\n\nI just checked with Vatsa if there was any subtle reason why they\nhad put in the kthread_bind() in cpu.c. Vatsa cannot seem to recollect\nany and I can\u0027t see any. So let us just remove the kthread_bind.\n\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "10ab825bdef8df510f99c703a5a2d9b13a4e31a5", "tree": "e4db81f26c03ba5a5bff43ed44646a4ed4509d67", "parents": [ "5de18d169739293e27e0cf9acfc75a2d2f4aa572" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:37 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "change kernel threads to ignore signals instead of blocking them\n\nCurrently kernel threads use sigprocmask(SIG_BLOCK) to protect against\nsignals. This doesn\u0027t prevent the signal delivery, this only blocks\nsignal_wake_up(). Every \"killall -33 kthreadd\" means a \"struct siginfo\"\nleak.\n\nChange kthreadd_setup() to set all handlers to SIG_IGN instead of blocking\nthem (make a new helper ignore_signals() for that). If the kernel thread\nneeds some signal, it should use allow_signal() anyway, and in that case it\nshould not use CLONE_SIGHAND.\n\nNote that we can\u0027t change daemonize() (should die!) in the same way,\nbecause it can be used along with CLONE_SIGHAND. This means that\nallow_signal() still should unblock the signal to work correctly with\ndaemonize()ed threads.\n\nHowever, disallow_signal() doesn\u0027t block the signal any longer but ignores\nit.\n\nNOTE: with or without this patch the kernel threads are not protected from\nhandle_stop_signal(), this seems harmless, but not good.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nAcked-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "5de18d169739293e27e0cf9acfc75a2d2f4aa572", "tree": "3360a4235a92d787fb7e48fccfc945fa0ee15758", "parents": [ "90cce03d9bfcb28600a56efef6b0a5a4fbf6c2b1" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:36 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "worker_thread: don\u0027t play with SIGCHLD and numa policy\n\nworker_thread() inherits ignored SIGCHLD and numa_default_policy() from its\nparent, kthreadd. No need to setup this again.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nAcked-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "90cce03d9bfcb28600a56efef6b0a5a4fbf6c2b1", "tree": "f0b1909311fe5662eeac7923bd7830a9811ac2aa", "parents": [ "b8a124da9261873e3e3541898d5c46d273afee34" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:36 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "wait_for_helper: remove unneeded do_sigaction()\n\nallow_signal(SIGCHLD) does all necessary job, no need to call do_sigaction()\nprior to.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "49d769d52e16efabd3ad47b7995522fff771371d", "tree": "cf6ec2c39ae671c3f4cae34daf9d0558ca4fcf49", "parents": [ "73c279927f89561ecb45b2dfdf9314bafcfd9f67" ], "author": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Wed May 09 02:34:33 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "Change reparent_to_init to reparent_to_kthreadd\n\nWhen a kernel thread calls daemonize, instead of reparenting the thread to\ninit reparent the thread to kthreadd next to the threads created by\nkthread_create.\n\nThis is really just a stop gap until daemonize goes away, but it does\nensure no kernel threads are under init and they are all in one place that\nis easy to find.\n\nSigned-off-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "73c279927f89561ecb45b2dfdf9314bafcfd9f67", "tree": "2186e28c92c6f8229ea20eb9856714186bf77a4c", "parents": [ "c93465181fed0f8f5942a41108943dadea0aa345" ], "author": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Wed May 09 02:34:32 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "kthread: don\u0027t depend on work queues\n\nCurrently there is a circular reference between work queue initialization\nand kthread initialization. This prevents the kthread infrastructure from\ninitializing until after work queues have been initialized.\n\nWe want the properties of tasks created with kthread_create to be as close\nas possible to the init_task and to not be contaminated by user processes.\nThe later we start our kthreadd that creates these tasks the harder it is\nto avoid contamination from user processes and the more of a mess we have\nto clean up because the defaults have changed on us.\n\nSo this patch modifies the kthread support to not use work queues but to\ninstead use a simple list of structures, and to have kthreadd start from\ninit_task immediately after our kernel thread that execs /sbin/init.\n\nBy being a true child of init_task we only have to change those process\nsettings that we want to have different from init_task, such as our process\nname, the cpus that are allowed, blocking all signals and setting SIGCHLD\nto SIG_IGN so that all of our children are reaped automatically.\n\nBy being a true child of init_task we also naturally get our ppid set to 0\nand do not wind up as a child of PID \u003d\u003d 1. Ensuring that tasks generated\nby kthread_create will not slow down the functioning of the wait family of\nfunctions.\n\n[akpm@linux-foundation.org: use interruptible sleeps]\nSigned-off-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c93465181fed0f8f5942a41108943dadea0aa345", "tree": "a2c1a8fe514b97c31bd3832136894933c3f28fee", "parents": [ "28e53bddf814485699a4142bc056fd37d4e11dd4" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:23 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "____call_usermodehelper: don\u0027t flush_signals()\n\n____call_usermodehelper() has no reason for flush_signals(). It is a fresh\nforked process which is going to exec a user-space application or exit on\nfailure.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "28e53bddf814485699a4142bc056fd37d4e11dd4", "tree": "5182090c4cc2186eedbda3cb90ed82a2836f6ff6", "parents": [ "5830c5902138f80b0a097b797200c739466beedd" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:22 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "unify flush_work/flush_work_keventd and rename it to cancel_work_sync\n\nflush_work(wq, work) doesn\u0027t need the first parameter, we can use cwq-\u003ewq\n(this was possible from the very beginnig, I missed this). So we can unify\nflush_work_keventd and flush_work.\n\nAlso, rename flush_work() to cancel_work_sync() and fix all callers.\nPerhaps this is not the best name, but \"flush_work\" is really bad.\n\n(akpm: this is why the earlier patches bypassed maintainers)\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Jeff Garzik \u003cjeff@garzik.org\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Tejun Heo \u003chtejun@gmail.com\u003e\nCc: Auke Kok \u003cauke-jan.h.kok@intel.com\u003e,\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a4798833d26b293fd18b7bf102991426aa0b56fd", "tree": "a564a45ee791e8418692c4171ed018dc90734238", "parents": [ "85f4186af944c1240c84934a9ab578743df2d69b" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:21 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "zap_other_threads: remove unneeded -\u003eexit_signal change\n\nWe already depend on fact that all sub-threads have -\u003eexit_signal \u003d\u003d -1, no\nneed to set it in zap_other_threads().\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "85f4186af944c1240c84934a9ab578743df2d69b", "tree": "743d6a619538cda98495aaaac67a86246d3007e4", "parents": [ "b9aac8e0d32499217417ff0b494731811f185b18" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:20 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "worker_thread: fix racy try_to_freeze() usage\n\nworker_thread() can miss freeze_process()-\u003esignal_wake_up() if it happens\nbetween try_to_freeze() and prepare_to_wait(). We should check freezing()\nbefore entering schedule().\n\nThis race was introduced by me in\n\n\t[PATCH 1/1] workqueue: don\u0027t migrate pending works from the dead CPU\n\nLooks like mm/vmscan.c:kswapd() has the same race.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b9aac8e0d32499217417ff0b494731811f185b18", "tree": "1cd79adb88431d3ebe6b9dd253b8ed1bbd4f9e07", "parents": [ "23b2e5991afde5af91a1a661d7f47ee56120759e" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:20 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:53 2007 -0700" }, "message": "worker_thread: don\u0027t play with signals\n\nworker_thread() doesn\u0027t need to \"Block and flush all signals\", this was\nalready done by its caller, kthread().\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "23b2e5991afde5af91a1a661d7f47ee56120759e", "tree": "d4b8e5bc1a311abd6b6de469f862a8b53c5f9f36", "parents": [ "c214b2cc5f9be7c236f9b91acf524688ff0e3e72" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:19 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: kill NOAUTOREL works\n\nWe don\u0027t have any users, and it is not so trivial to use NOAUTOREL works\ncorrectly. It is better to simplify API.\n\nDelete NOAUTOREL support and rename work_release to work_clear_pending to\navoid a confusion.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nAcked-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "1634c48f8b85dcb05101f1eb2eab9af40b5976da", "tree": "143aa0fbf21e712a5258806b37f2024ba432b522", "parents": [ "a848e3b67c07ed79374bd0f9b82f9ce45a419643" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:18 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "make cancel_rearming_delayed_work() work on any workqueue, not just keventd_wq\n\ncancel_rearming_delayed_workqueue(wq, dwork) doesn\u0027t need the first\nparameter. We don\u0027t hang on un-queued dwork any longer, and work-\u003edata\ndoesn\u0027t change its type. This means we can always figure out \"wq\" from\ndwork when it is needed.\n\nRemove this parameter, and rename the function to\ncancel_rearming_delayed_work(). Re-create an inline \"obsolete\"\ncancel_rearming_delayed_workqueue(wq) which just calls\ncancel_rearming_delayed_work().\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a848e3b67c07ed79374bd0f9b82f9ce45a419643", "tree": "72f4385e12310bf8e1b959d4d90d32f05c10cd61", "parents": [ "63bc0362521cbaae3ed17b8de7b094f9492453f0" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:17 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: introduce wq_per_cpu() helper\n\nCleanup. A number of per_cpu_ptr(wq-\u003ecpu_wq, cpu) users have to check that\ncpu is valid for this wq. Make a simple helper.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "63bc0362521cbaae3ed17b8de7b094f9492453f0", "tree": "2a1bee6651fe00b76828cf75742bbff221188990", "parents": [ "ed7c0feede39d70092d048ec30f59bb1df69eec6" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "unify queue_delayed_work() and queue_delayed_work_on()\n\nChange queue_delayed_work() to use queue_delayed_work_on() to avoid the code\nduplication (saves 133 bytes).\n\nQ: queue_delayed_work() enqueues \u0026dwork-\u003ework directly when delay \u003d\u003d 0, why?\n\n[jirislaby@gmail.com: oops fix]\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Jiri Slaby \u003cjirislaby@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ed7c0feede39d70092d048ec30f59bb1df69eec6", "tree": "67ff89df1a5db2037da34ddf17002b4c7ff218df", "parents": [ "06ba38a9a0f6ceffe70343f684c5a690e3710ef4" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "make queue_delayed_work() friendly to flush_fork()\n\nCurrently typeof(delayed_work-\u003ework.data) is\n\n\t\"struct workqueue_struct\" when the timer is pending\n\n\t\"struct cpu_workqueue_struct\" whe the work is queued\n\nThis makes impossible to use flush_fork(delayed_work-\u003ework) in addition\nto cancel_delayed_work/cancel_rearming_delayed_work, not good.\n\nChange queue_delayed_work/delayed_work_timer_fn to use cwq, not wq. This\ncomplicates (and uglifies) these functions a little bit, but alows us to\nuse flush_fork(dwork) and imho makes the whole code more consistent.\n\nAlso, document the fact that cancel_rearming_delayed_work() doesn\u0027t garantee\nthe completion of work-\u003efunc() upon return.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "06ba38a9a0f6ceffe70343f684c5a690e3710ef4", "tree": "500f4d8a3be212ececa80ead44d9658c8b7a4ce1", "parents": [ "c12920d19078eb8fd99560ec232a6e05c6ff1aa8" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:15 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueues: shift kthread_bind() from CPU_UP_PREPARE to CPU_ONLINE\n\nCPU_UP_PREPARE binds cwq-\u003ethread to the new CPU. So CPU_UP_CANCELED tries to\nwake up the task which is bound to the failed CPU.\n\nWith this patch we don\u0027t bind cwq-\u003ethread until CPU becomes online. The first\nwake_up() after kthread_create() is a bit special, make a simple helper for\nthat.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nCc: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c12920d19078eb8fd99560ec232a6e05c6ff1aa8", "tree": "614d7acbb8393bc3ae16d41c5a7f69a0abb4c9c1", "parents": [ "cce1a1656c9a3fdc6c6c1029b576e4ab6ecaac37" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:14 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: make init_workqueues() __init\n\nThe only caller of init_workqueues() is do_basic_setup().\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "cce1a1656c9a3fdc6c6c1029b576e4ab6ecaac37", "tree": "016a79e653156e32766f17bd801ffd0e4dd3a79f", "parents": [ "b1f4ec172f75bc2f5cc4f4be69b5587660a955d2" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:13 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: introduce workqueue_struct-\u003esinglethread\n\nAdd explicit workqueue_struct-\u003esinglethread flag. This lessens .text a\nlittle, but most importantly this allows us to manipulate wq-\u003elist without\nchangine the meaning of is_single_threaded().\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b1f4ec172f75bc2f5cc4f4be69b5587660a955d2", "tree": "41a96f3996246d1f8667b9b84705a800f03d7c49", "parents": [ "dfb4b82e1c631b1a6057e77212996a890aa515b7" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:12 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: introduce cpu_singlethread_map\n\nThe code like\n\n\tif (is_single_threaded(wq))\n\t\tdo_something(singlethread_cpu);\n\telse {\n\t\tfor_each_cpu_mask(cpu, cpu_populated_map)\n\t\t\tdo_something(cpu);\n\t}\n\nlooks very annoying. We can add \"static cpumask_t cpu_singlethread_map\" and\nsimplify the code. Lessens .text a bit, and imho makes the code more readable.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "dfb4b82e1c631b1a6057e77212996a890aa515b7", "tree": "9e2fcd9ff6bd990740b3f0a48fc4194f2e64d89f", "parents": [ "f293ea92007419e4f9c52db0cf57af17f45b9f94" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:11 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: make cancel_rearming_delayed_workqueue() work on idle dwork\n\ncancel_rearming_delayed_workqueue(dwork) will hang forever if dwork was not\nscheduled, because in that case cancel_delayed_work()-\u003edel_timer_sync() never\nreturns true.\n\nI don\u0027t know if there are any callers which may have problems, but this is not\nso convenient, and the fix is very simple.\n\nQ: looks like we don\u0027t need \"struct workqueue_struct *wq\" parameter. If the\ntimer was aborted successfully, get_wq_data() \u003d\u003d wq. Is it worth to add the\nnew function?\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f293ea92007419e4f9c52db0cf57af17f45b9f94", "tree": "829d06499c1d9004ca530e5f23de43df27d3baa4", "parents": [ "7097a87afe937a5879528d52880c2d95f089e96c" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:10 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: don\u0027t save interrupts in run_workqueue()\n\nwork-\u003efunc() may sleep, it\u0027s a bug to call run_workqueue() with irqs disabled.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7097a87afe937a5879528d52880c2d95f089e96c", "tree": "f06090c0f6ed327ee2894deb8ac7c588ab55bf4e", "parents": [ "3af24433efac62f451bfdb1cf1edb7181fb73645" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:10 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: kill run_scheduled_work()\n\nBecause it has no callers.\n\nActually, I think the whole idea of run_scheduled_work() was not right, not\ngood to mix \"unqueue this work and execute its -\u003efunc()\" in one function.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "3af24433efac62f451bfdb1cf1edb7181fb73645", "tree": "330353b50a88615ef6e99440e8412667ae0a855e", "parents": [ "36aa9dfc39bf473780439f5629c30f59d677e793" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:09 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: don\u0027t migrate pending works from the dead CPU\n\nCurrently CPU_DEAD uses kthread_stop() to stop cwq-\u003ethread and then\ntransfers cwq-\u003eworklist to another CPU. However, it is very unlikely that\nworker_thread() will notice kthread_should_stop() before flushing\ncwq-\u003eworklist. It is only possible if worker_thread() was preempted after\nrun_workqueue(cwq), a new work_struct was added, and CPU_DEAD happened\nbefore cwq-\u003ethread has a chance to run.\n\nThis means that take_over_work() mostly adds unneeded complications. Note\nalso that kthread_stop() is not good per se, wake_up_process() may confuse\nwork-\u003efunc() if it sleeps waiting for some event.\n\nRemove take_over_work() and migrate_sequence complications. CPU_DEAD sets\nthe cwq-\u003eshould_stop flag (introduced by this patch) and waits for\ncwq-\u003ethread to flush cwq-\u003eworklist and exit. Because the dead CPU is not\non cpu_online_map, no more works can be added to that cwq.\n\ncpu_populated_map was introduced to optimize for_each_possible_cpu(), it is\nnot strictly needed, and it is more a documentation in fact.\n\nSaves 418 bytes.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: \"Pallipadi, Venkatesh\" \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Gautham shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "36aa9dfc39bf473780439f5629c30f59d677e793", "tree": "301d615747210733a271c376fc036a7480594207", "parents": [ "d721304dce0ced0b3b0366996cc02929669708a8" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:08 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: don\u0027t clear cwq-\u003ethread until it exits\n\nPointed out by Srivatsa Vaddagiri.\n\ncleanup_workqueue_thread() sets cwq-\u003ethread \u003d NULL and does kthread_stop().\nThis breaks the \"if (cwq-\u003ethread \u003d\u003d current)\" logic in flush_cpu_workqueue()\nand leads to deadlock.\n\nKill the thead first, then clear cwq-\u003ethread. workqueue_mutex protects us\nfrom create_workqueue_thread() so we don\u0027t need cwq-\u003elock.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: \"Pallipadi, Venkatesh\" \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Gautham shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d721304dce0ced0b3b0366996cc02929669708a8", "tree": "a7c41390d082e4d2c70b185e508368293cf68b92", "parents": [ "319c2a986eb45989690c955d9667b814ef0ed56f" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:07 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:52 2007 -0700" }, "message": "workqueue: fix flush_workqueue() vs CPU_DEAD race\n\nMany thanks to Srivatsa Vaddagiri for the helpful discussion and for spotting\nthe bug in my previous attempt.\n\nwork-\u003efunc() (and thus flush_workqueue()) must not use workqueue_mutex,\nthis leads to deadlock when CPU_DEAD does kthread_stop(). However without\nthis mutex held we can\u0027t detect CPU_DEAD in progress, which can move pending\nworks to another CPU while the dead one is not on cpu_online_map.\n\nChange flush_workqueue() to use for_each_possible_cpu(). This means that\nflush_cpu_workqueue() may hit CPU which is already dead. However in that\ncase\n\n\t!list_empty(\u0026cwq-\u003eworklist) || cwq-\u003ecurrent_work !\u003d NULL\n\nmeans that CPU_DEAD in progress, it will do kthread_stop() + take_over_work()\nso we can proceed and insert a barrier. We hold cwq-\u003elock, so we are safe.\n\nAlso, add migrate_sequence incremented by take_over_work() under cwq-\u003elock.\nIf take_over_work() happened before we checked this CPU, we should see the\nnew value after spin_unlock().\n\nFurther possible changes:\n\n\tremove CPU_DEAD handling (along with take_over_work, migrate_sequence)\n\tfrom workqueue.c. CPU_DEAD just sets cwq-\u003eplease_exit_after_flush flag.\n\n\tCPU_UP_PREPARE-\u003ecreate_workqueue_thread() clears this flag, and creates\n\tthe new thread if cwq-\u003ethread \u003d\u003d NULL.\n\nThis way the workqueue/cpu-hotplug interaction is almost zero, workqueue_mutex\njust protects \"workqueues\" list, CPU_LOCK_ACQUIRE/CPU_LOCK_RELEASE go away.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: \"Pallipadi, Venkatesh\" \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Gautham shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "319c2a986eb45989690c955d9667b814ef0ed56f", "tree": "1408756a141247f703b2866886d9707006ab33a9", "parents": [ "38c3bd96a0a7d375e12f173c34fbebf9f153cb56" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:34:06 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "workqueue: fix freezeable workqueues implementation\n\nCurrently -\u003efreezeable is per-cpu, this is wrong. CPU_UP_PREPARE creates\ncwq-\u003ethread which is not freezeable. Move -\u003efreezeable to workqueue_struct.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: \"Pallipadi, Venkatesh\" \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Gautham shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e7407dcc69e077ac34a527842db916abfbc458df", "tree": "138b24bceee828dc256bb81f2b592926be9f1515", "parents": [ "5be9361cdff17fc76fa0c3e262ead94158555f16" ], "author": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed May 09 02:34:04 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "call cpu_chain with CPU_DOWN_FAILED if CPU_DOWN_PREPARE failed\n\nThis makes cpu hotplug symmetrical: if CPU_UP_PREPARE fails we get\nCPU_UP_CANCELED, so we can undo what ever happened on PREPARE. The same\nshould happen for CPU_DOWN_PREPARE.\n\n[akpm@linux-foundation.org: fix for reduce-size-of-task_struct-on-64-bit-machines]\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Gautham Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "5be9361cdff17fc76fa0c3e262ead94158555f16", "tree": "c0fd48bc0a39a2ba8a71677467f3d4e164b40f65", "parents": [ "baaca49f415b25fdbe2a8f3c22b39929e450fbfd" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Wed May 09 02:34:04 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "Eliminate lock_cpu_hotplug in kernel/schedc\n\nEliminate lock_cpu_hotplug from kernel/sched.c and use sched_hotcpu_mutex\ninstead to postpone a hotplug event.\n\nIn the migration_call hotcpu callback function, take sched_hotcpu_mutex\nwhile handling the event CPU_LOCK_ACQUIRE and release it while handling\nCPU_LOCK_RELEASE event.\n\n[akpm@linux-foundation.org: fix deadlock]\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "baaca49f415b25fdbe2a8f3c22b39929e450fbfd", "tree": "b152b4235fc07fe56619bd3a2e975e5ca90b8c5b", "parents": [ "6f7cc11aa6c7d5002e16096c7590944daece70ed" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Wed May 09 02:34:03 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "Define and use new events,CPU_LOCK_ACQUIRE and CPU_LOCK_RELEASE\n\nThis is an attempt to provide an alternate mechanism for postponing\na hotplug event instead of using a global mechanism like lock_cpu_hotplug.\n\nThe proposal is to add two new events namely CPU_LOCK_ACQUIRE and\nCPU_LOCK_RELEASE. The notification for these two events would be sent\nout before and after a cpu_hotplug event respectively.\n\nDuring the CPU_LOCK_ACQUIRE event, a cpu-hotplug-aware subsystem is\nsupposed to acquire any per-subsystem hotcpu mutex ( Eg. workqueue_mutex\nin kernel/workqueue.c ).\n\nDuring the CPU_LOCK_RELEASE release event the cpu-hotplug-aware subsystem\nis supposed to release the per-subsystem hotcpu mutex.\n\nThe reasons for defining new events as opposed to reusing the existing events\nlike CPU_UP_PREPARE/CPU_UP_FAILED/CPU_ONLINE for locking/unlocking of\nper-subsystem hotcpu mutexes are as follow:\n\n\t- CPU_LOCK_ACQUIRE: All hotcpu mutexes are taken before subsystems\n\tstart handling pre-hotplug events like CPU_UP_PREPARE/CPU_DOWN_PREPARE\n\tetc, thus ensuring a clean handling of these events.\n\n\t- CPU_LOCK_RELEASE: The hotcpu mutexes will be released only after\n\tall subsystems have handled post-hotplug events like CPU_DOWN_FAILED,\n\tCPU_DEAD,CPU_ONLINE etc thereby ensuring that there are no subsequent\n\tclashes amongst the interdependent subsystems after a cpu hotplugs.\n\nThis patch also uses __raw_notifier_call chain in _cpu_up to take care\nof the dependency between the two consequetive calls to\nraw_notifier_call_chain.\n\n[akpm@linux-foundation.org: fix a bug]\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6f7cc11aa6c7d5002e16096c7590944daece70ed", "tree": "68a11e4b67189c44ac0f3ab579e52e134d479cf5", "parents": [ "7c9cb38302e78d24e37f7d8a2ea7eed4ae5f2fa7" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Wed May 09 02:34:02 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "Extend notifier_call_chain to count nr_calls made\n\nSince 2.6.18-something, the community has been bugged by the problem to\nprovide a clean and a stable mechanism to postpone a cpu-hotplug event as\nlock_cpu_hotplug was badly broken.\n\nThis is another proposal towards solving that problem. This one is along the\nlines of the solution provided in kernel/workqueue.c\n\nInstead of having a global mechanism like lock_cpu_hotplug, we allow the\nsubsytems to define their own per-subsystem hot cpu mutexes. These would be\ntaken(released) where ever we are currently calling\nlock_cpu_hotplug(unlock_cpu_hotplug).\n\nAlso, in the per-subsystem hotcpu callback function,we take this mutex before\nwe handle any pre-cpu-hotplug events and release it once we finish handling\nthe post-cpu-hotplug events. A standard means for doing this has been\nprovided in [PATCH 2/4] and demonstrated in [PATCH 3/4].\n\nThe ordering of these per-subsystem mutexes might still prove to be a\nproblem, but hopefully lockdep should help us get out of that muddle.\n\nThe patch set to be applied against linux-2.6.19-rc5 is as follows:\n\n[PATCH 1/4] :\tExtend notifier_call_chain with an option to specify the\n\t\tnumber of notifications to be sent and also count the\n\t\tnumber of notifications actually sent.\n\n[PATCH 2/4] :\tDefine events CPU_LOCK_ACQUIRE and CPU_LOCK_RELEASE\n\t\tand send out notifications for these in _cpu_up and\n\t\t_cpu_down. This would help us standardise the acquire and\n\t\trelease of the subsystem locks in the hotcpu\n\t\tcallback functions of these subsystems.\n\n[PATCH 3/4] :\tEliminate lock_cpu_hotplug from kernel/sched.c.\n\n[PATCH 4/4] :\tIn workqueue_cpu_callback function, acquire(release) the\n\t\tworkqueue_mutex while handling\n\t\tCPU_LOCK_ACQUIRE(CPU_LOCK_RELEASE).\n\nIf the per-subsystem-locking approach survives the test of time, we can expect\na slow phasing out of lock_cpu_hotplug, which has not yet been eliminated in\nthese patches :)\n\nThis patch:\n\nProvide notifier_call_chain with an option to call only a specified number of\nnotifiers and also record the number of call to notifiers made.\n\nThe need for this enhancement was identified in the post entitled\n\"Slab - Eliminate lock_cpu_hotplug from slab\"\n(http://lkml.org/lkml/2006/10/28/92) by Ravikiran G Thirumalai and\nAndrew Morton.\n\nThis patch adds two additional parameters to notifier_call_chain API namely\n - int nr_to_calls : Number of notifier_functions to be called.\n \t\t The don\u0027t care value is -1.\n\n - unsigned int *nr_calls : Records the total number of notifier_funtions\n\t\t\t called by notifier_call_chain. The don\u0027t care\n\t\t\t value is NULL.\n\n[michal.k.k.piotrowski@gmail.com: build fix]\nCredit: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Michal Piotrowski \u003cmichal.k.k.piotrowski@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7c9cb38302e78d24e37f7d8a2ea7eed4ae5f2fa7", "tree": "b65be3c42762e85f3611fe5298d203f7f901da02", "parents": [ "d0758bc334780d70266c1d1b974ed26f740a0819" ], "author": { "name": "Tom Zanussi", "email": "zanussi@comcast.net", "time": "Wed May 09 02:34:01 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "relay: use plain timer instead of delayed work\n\nrelay doesn\u0027t need to use schedule_delayed_work() for waking readers\nwhen a simple timer will do.\n\nSigned-off-by: Tom Zanussi \u003czanussi@comcast.net\u003e\nCc: Satyam Sharma \u003csatyam.sharma@gmail.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "83c22520c51bf67529367e8237f95c03fe44e2da", "tree": "d9798e4f60551bdad0f7d8f1f1d5c69d7c4214c1", "parents": [ "edab2516a6c1752e8e5e3d55727cabf12346e5df" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:33:54 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "flush_cpu_workqueue: don\u0027t flush an empty -\u003eworklist\n\nNow when we have -\u003ecurrent_work we can avoid adding a barrier and waiting\nfor its completition when cwq\u0027s queue is empty.\n\nNote: this change is also useful if we change flush_workqueue() to also\ncheck the dead CPUs.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Gautham Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "edab2516a6c1752e8e5e3d55727cabf12346e5df", "tree": "235f0e8dd26341a650cc3329e4fc54b3b857aa07", "parents": [ "b89deed32ccc96098bd6bc953c64bba6b847774f" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Wed May 09 02:33:53 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:51 2007 -0700" }, "message": "flush_workqueue(): use preempt_disable to hold off cpu hotplug\n\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Gautham Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b89deed32ccc96098bd6bc953c64bba6b847774f", "tree": "7a5963bbc5203cfdb39bf2fb1204764df39c71db", "parents": [ "fc2e4d70410546307344821eed6fd23803a45286" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:33:52 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:50 2007 -0700" }, "message": "implement flush_work()\n\nA basic problem with flush_scheduled_work() is that it blocks behind _all_\npresently-queued works, rather than just the work whcih the caller wants to\nflush. If the caller holds some lock, and if one of the queued work happens\nto want that lock as well then accidental deadlocks can occur.\n\nOne example of this is the phy layer: it wants to flush work while holding\nrtnl_lock(). But if a linkwatch event happens to be queued, the phy code will\ndeadlock because the linkwatch callback function takes rtnl_lock.\n\nSo we implement a new function which will flush a *single* work - just the one\nwhich the caller wants to free up. Thus we avoid the accidental deadlocks\nwhich can arise from unrelated subsystems\u0027 callbacks taking shared locks.\n\nflush_work() non-blockingly dequeues the work_struct which we want to kill,\nthen it waits for its handler to complete on all CPUs.\n\nAdd -\u003ecurrent_work to the \"struct cpu_workqueue_struct\", it points to\ncurrently running \"struct work_struct\". When flush_work(work) detects\n-\u003ecurrent_work \u003d\u003d work, it inserts a barrier at the _head_ of -\u003eworklist\n(and thus right _after_ that work) and waits for completition. This means\nthat the next work fired on that CPU will be this barrier, or another\nbarrier queued by concurrent flush_work(), so the caller of flush_work()\nwill be woken before any \"regular\" work has a chance to run.\n\nWhen wait_on_work() unlocks workqueue_mutex (or whatever we choose to protect\nagainst CPU hotplug), CPU may go away. But in that case take_over_work() will\nmove a barrier we queued to another CPU, it will be fired sometime, and\nwait_on_work() will be woken.\n\nActually, we are doing cleanup_workqueue_thread()-\u003ekthread_stop() before\ntake_over_work(), so cwq-\u003ethread should complete its -\u003eworklist (and thus\nthe barrier), because currently we don\u0027t check kthread_should_stop() in\nrun_workqueue(). But even if we did, everything should be ok.\n\n[akpm@osdl.org: cleanup]\n[akpm@osdl.org: add flush_work_keventd() wrapper]\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fc2e4d70410546307344821eed6fd23803a45286", "tree": "b8253b7e42245c9b21b959a77c8070ddcbc9359e", "parents": [ "e18f3ffb9c3ddfc1b4ad8f38f5f2acae8c16f0c9" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed May 09 02:33:51 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:50 2007 -0700" }, "message": "reimplement flush_workqueue()\n\nRemove -\u003eremove_sequence, -\u003einsert_sequence, and -\u003ework_done from struct\ncpu_workqueue_struct. To implement flush_workqueue() we can queue a\nbarrier work on each CPU and wait for its completition.\n\nThe barrier is queued under workqueue_mutex to ensure that per cpu\nwq-\u003ecpu_wq is alive, we drop this mutex before going to sleep. If CPU goes\ndown while we are waiting for completition, take_over_work() will move the\nbarrier on another CPU, and the handler will wake up us eventually.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e18f3ffb9c3ddfc1b4ad8f38f5f2acae8c16f0c9", "tree": "6a1ccc7a10ccc25dd9b7e09fefa3db96e211e1ee", "parents": [ "a1e3cf418fc1e6b13bdc472ffb60bd02735e41a6" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Wed May 09 02:33:50 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:50 2007 -0700" }, "message": "schedule_on_each_cpu(): use preempt_disable()\n\nWe take workqueue_mutex in there to keep CPU hotplug away. But\npreempt_disable() will suffice for that.\n\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "9b04bd27564cfd7224e0135ba37df778f1d490bf", "tree": "fd62f8c1fe7f17a9e92796412c1657b83ebe3965", "parents": [ "0366299bd2de283091f4394c0f446e58b5f94815" ], "author": { "name": "David Miller", "email": "davem@davemloft.net", "time": "Wed May 09 02:33:43 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:50 2007 -0700" }, "message": "Fix printk format warnings in timer_list.c\n\nu64 and s64 are not necessarily \u0027long long\u0027 on some 64-bit\nplatforms, so explicit the type to kill the compiler warnings.\n\nAlso consistently use \u0027%Lu\u0027 which is unsigned.\n\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "35c35d1afa8f9afe01d922ff9668a14c5d879b02", "tree": "5134d8447f5d25e8c8c32c7ed6f4cb0cd97c9da8", "parents": [ "18d8362d517cb2bd97761294924fe6c2a6ee5e3c" ], "author": { "name": "Daniel Walker", "email": "dwalker@mvista.com", "time": "Wed May 09 02:33:40 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:49 2007 -0700" }, "message": "clocksource: spelling error in watchdog code\n\nThere\u0027s more that need fixing, and fix my own subject spelling error too.\n\nSigned-off-by: Daniel Walker \u003cdwalker@mvista.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "55c0d1f83e481dd6c77f52f7dcfeb043b8b740fa", "tree": "5d3240d565c158712345094362d40c3973483a7f", "parents": [ "84963048ca8093e0aa71ac90c2a5fe7af5f617c3" ], "author": { "name": "Roland McGrath", "email": "roland@redhat.com", "time": "Wed May 09 02:33:37 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:49 2007 -0700" }, "message": "Move sig_kernel_* et al macros to linux/signal.h\n\nThis patch moves the sig_kernel_* and related macros from kernel/signal.c\nto linux/signal.h, and cleans them up slightly. I need the sig_kernel_*\nmacros for default signal behavior in the utrace code, and want to avoid\nduplication or overhead to share the knowledge.\n\nSigned-off-by: Roland McGrath \u003croland@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "85badbdf5120d246ce2bb3f1a7689a805f9c9006", "tree": "0c406f24c1533dc8dcaf322751b05e7b8bcd5d23", "parents": [ "92f4c701aad794de9e4cf7341d0a486aed027c46" ], "author": { "name": "Akinobu Mita", "email": "akinobu.mita@gmail.com", "time": "Wed May 09 02:33:33 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:49 2007 -0700" }, "message": "use simple_read_from_buffer in kernel/\n\nCleanup using simple_read_from_buffer() for /dev/cpuset/tasks and\n/proc/config.gz.\n\nCc: Paul Jackson \u003cpj@sgi.com\u003e\nCc: Randy Dunlap \u003crdunlap@xenotime.net\u003e\nSigned-off-by: Akinobu Mita \u003cakinobu.mita@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "cb0c78cc94a63871cad051674516b38e4a8aef95", "tree": "2f90ad36bcfebf29caa3bc38cc5775e53ac58a54", "parents": [ "231f7e9d029a710c14352bff3b8d3753cb9bfde8" ], "author": { "name": "Jeff Dike", "email": "jdike@addtoit.com", "time": "Wed May 09 02:33:22 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:48 2007 -0700" }, "message": "Fix Linuxdoc comment\n\nA linuxdoc comment had fallen out of date - it refers to an argument which no\nlonger exists.\n\nSigned-off-by: Jeff Dike \u003cjdike@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a3d25c275d383975504dc53c25b691df59bd3c48", "tree": "161a2ae12a20a630c2f639e144872db2b92eb098", "parents": [ "d60846c4d16f9518b098b905af2b87cb6bf6dc42" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Wed May 09 02:33:18 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:48 2007 -0700" }, "message": "PM: Separate hibernation code from suspend code\n\n[ With Johannes Berg \u003cjohannes@sipsolutions.net\u003e ]\n\nSeparate the hibernation (aka suspend to disk code) from the other suspend\ncode. In particular:\n\n * Remove the definitions related to hibernation from include/linux/pm.h\n * Introduce struct hibernation_ops and a new hibernate() function to hibernate\n the system, defined in include/linux/suspend.h\n * Separate suspend code in kernel/power/main.c from hibernation-related code\n in kernel/power/disk.c and kernel/power/user.c (with the help of\n hibernation_ops)\n * Switch ACPI (the only user of pm_ops.pm_disk_mode) to hibernation_ops\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nCc: Nigel Cunningham \u003cnigel@nigel.suspend2.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d60846c4d16f9518b098b905af2b87cb6bf6dc42", "tree": "c8531fd981874f8a4e388079ca9edaf8ff27d63f", "parents": [ "ace4bd29c248b51db3f8a97e9b59740dc6caa074" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Wed May 09 02:33:17 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:48 2007 -0700" }, "message": "swsusp: clean up printk\n\nRemove an inexplicable /\n\nCc: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f42df9e658be10ca10d0d9b19a0e9d484694f04f", "tree": "a18ac720960721083c813d1f94e85d2ef1e7e612", "parents": [ "be2a608bd08ec00e19e14b322e07f443d2711084" ], "author": { "name": "John Anthony Kazos Jr", "email": "jakj@j-a-k-j.com", "time": "Wed May 09 08:23:08 2007 +0200" }, "committer": { "name": "Adrian Bunk", "email": "bunk@stusta.de", "time": "Wed May 09 08:58:20 2007 +0200" }, "message": "general: convert \"kernel\" subdirectory to UTF-8\n\nConvert the \"kernel\" subdirectory of the tree to UTF-8. The only file\nmodified is \u003ckernel/sys.c\u003e.\n\nSigned-off-by: John Anthony Kazos Jr. \u003cjakj@j-a-k-j.com\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\n" }, { "commit": "59c51591a0ac7568824f541f57de967e88adaa07", "tree": "243d20eb0a26b76d5d312f39ec5a1ff60e036711", "parents": [ "02a3e59a088749c08b0293ee1535f5bf48f5926c" ], "author": { "name": "Michael Opdenacker", "email": "michael@free-electrons.com", "time": "Wed May 09 08:57:56 2007 +0200" }, "committer": { "name": "Adrian Bunk", "email": "bunk@stusta.de", "time": "Wed May 09 08:57:56 2007 +0200" }, "message": "Fix occurrences of \"the the \"\n\nSigned-off-by: Michael Opdenacker \u003cmichael@free-electrons.com\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\n" }, { "commit": "940d67f6b95166475ff6e600ef7658e1cd441278", "tree": "390f7e30228ae2f22d0009831f80fb909df1e177", "parents": [ "de372ecd80a42c4fb485c7232475301a18d05184" ], "author": { "name": "Johannes Berg", "email": "johannes@sipsolutions.net", "time": "Tue May 08 19:23:49 2007 +1000" }, "committer": { "name": "Paul Mackerras", "email": "paulus@samba.org", "time": "Wed May 09 16:34:56 2007 +1000" }, "message": "[POWERPC] swsusp: Introduce register_nosave_region_late\n\nThis patch introduces a new register_nosave_region_late function that\ncan be called from initcalls when register_nosave_region can no longer\nbe used because it uses bootmem.\n\nSigned-off-by: Johannes Berg \u003cjohannes@sipsolutions.net\u003e\nAcked-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nSigned-off-by: Paul Mackerras \u003cpaulus@samba.org\u003e\n" }, { "commit": "02a3e59a088749c08b0293ee1535f5bf48f5926c", "tree": "9475c395c1c704f4da9d506b9a52ff8e4299463e", "parents": [ "b0e37650404b2302416ad3dbe649fdecba8d35d4" ], "author": { "name": "Robert P. J. Day", "email": "rpjday@mindspring.com", "time": "Wed May 09 07:26:28 2007 +0200" }, "committer": { "name": "Adrian Bunk", "email": "bunk@stusta.de", "time": "Wed May 09 07:26:28 2007 +0200" }, "message": "Fix minor typoes in kernel/module.c\n\nFix minor (comment) typoes in kernel/module.c.\n\nSigned-off-by: Robert P. J. Day \u003crpjday@mindspring.com\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\n" }, { "commit": "3dde6ad8fc3939d345a3768464ecff43c91d511a", "tree": "bf36419973a724f854ba69de793daaf3d916f9a0", "parents": [ "ccf6780dc3d228f380e17b6858b93fc48e40afd4" ], "author": { "name": "David Sterba", "email": "dave@jikos.cz", "time": "Wed May 09 07:12:20 2007 +0200" }, "committer": { "name": "Adrian Bunk", "email": "bunk@stusta.de", "time": "Wed May 09 07:12:20 2007 +0200" }, "message": "Fix trivial typos in Kconfig* files\n\nFix several typos in help text in Kconfig* files.\n\nSigned-off-by: David Sterba \u003cdave@jikos.cz\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\n" }, { "commit": "d5f9f942c601fdebe57f7805e4b4fbad9c28ada8", "tree": "6a212ceabd844fbaf517a13a9f885be5ab1c59b5", "parents": [ "da4e8ca376a1b3dca470eba14dcec321a6a27b8b" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Tue May 08 20:27:06 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 20:41:15 2007 -0700" }, "message": "revert \u0027sched: redundant reschedule when set_user_nice() boosts a prio of a task from the \"expired\" array\u0027\n\nRevert commit bd53f96ca54a21c07e7a0ae1886fa623d370b85f.\n\nCon says:\n\nThis is no good, sorry. The one I saw originally was with the staircase\ndeadline cpu scheduler in situ and was different.\n\n #define TASK_PREEMPTS_CURR(p, rq) \\\n ((p)-\u003eprio \u003c (rq)-\u003ecurr-\u003eprio)\n (((p)-\u003eprio \u003c (rq)-\u003ecurr-\u003eprio) \u0026\u0026 ((p)-\u003earray \u003d\u003d (rq)-\u003eactive))\n\nThis will fail to wake up a runqueue for a task that has been migrated to the\nexpired array of a runqueue which is otherwise idle which can happen with smp\nbalancing,\n\nCc: Dmitry Adamushko \u003cdmitry.adamushko@gmail.com\u003e\nCc: Con Kolivas \u003ckernel@kolivas.org\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "df6d3916f3b7b7e2067567a256dd4f0c1ea854a2", "tree": "0fdeab1ab5d566605fc99aeb5ea3f621f11e7608", "parents": [ "74add80cbd7fe246c893b93ee75ac59acdd01dd4", "197686dfe0038fd190326d118b743ff65ad20c0e" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:50:19 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:50:19 2007 -0700" }, "message": "Merge branch \u0027master\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc\n\n* \u0027master\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (77 commits)\n [POWERPC] Abolish powerpc_flash_init()\n [POWERPC] Early serial debug support for PPC44x\n [POWERPC] Support for the Ebony 440GP reference board in arch/powerpc\n [POWERPC] Add device tree for Ebony\n [POWERPC] Add powerpc/platforms/44x, disable platforms/4xx for now\n [POWERPC] MPIC U3/U4 MSI backend\n [POWERPC] MPIC MSI allocator\n [POWERPC] Enable MSI mappings for MPIC\n [POWERPC] Tell Phyp we support MSI\n [POWERPC] RTAS MSI implementation\n [POWERPC] PowerPC MSI infrastructure\n [POWERPC] Rip out the existing powerpc msi stubs\n [POWERPC] Remove use of 4level-fixup.h for ppc32\n [POWERPC] Add powerpc PCI-E reset API implementation\n [POWERPC] Holly bootwrapper\n [POWERPC] Holly DTS\n [POWERPC] Holly defconfig\n [POWERPC] Add support for 750CL Holly board\n [POWERPC] Generalize tsi108 PCI setup\n [POWERPC] Generalize tsi108 PHY types\n ...\n\nFixed conflict in include/asm-powerpc/kdebug.h manually\n\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d85a60d85ea5b7c597508c1510c88e657773d378", "tree": "2b5d1a5311074de8c12811e7ddf26e3cda4a41a0", "parents": [ "951744fea0aea9adbd7c8cacb3605f2d69a66f96" ], "author": { "name": "Bernhard Walle", "email": "bwalle@suse.de", "time": "Tue May 08 00:35:24 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:22 2007 -0700" }, "message": "Add IRQF_IRQPOLL flag (common code)\n\nirqpoll is broken on some architectures that don\u0027t use the IRQ 0 for the timer\ninterrupt like IA64. This patch adds a IRQF_IRQPOLL flag.\n\nEach architecture is handled in a separate pach. As I left the irq \u003d\u003d 0 as\ncondition, this should not break existing architectures that use timer_irq \u003d\u003d\n0 and that I did\u0027t address with that patch (because I don\u0027t know).\n\nThis patch:\n\nThis patch adds a IRQF_IRQPOLL flag that the interrupt registration code could\nuse for the interrupt it wants to use for IRQ polling.\n\nBecause this must not be the timer interrupt, an additional flag was added\ninstead of re-using the IRQF_TIMER constant. Until all architectures will\nhave an IRQF_IRQPOLL interrupt, irq \u003d\u003d 0 will stay as alternative as it should\nnot break anything.\n\nAlso, note_interrupt() is called on CPU-specific interrupts to be used as\ninterrupt source for IRQ polling.\n\nSigned-off-by: Bernhard Walle \u003cbwalle@suse.de\u003e\nCc: Russell King \u003crmk@arm.linux.org.uk\u003e\nCc: Kyle McMartin \u003ckyle@mcmartin.ca\u003e\nCc: Matthew Wilcox \u003cwilly@debian.org\u003e\nCc: Grant Grundler \u003cgrundler@google.com\u003e\nCc: Paul Mundt \u003clethal@linux-sh.org\u003e\nCc: \"Luck, Tony\" \u003ctony.luck@intel.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Alan Cox \u003calan@lxorguk.ukuu.org.uk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "bf8f6e5b3e51ee0c64c2d1350c70198ddc8ad3f7", "tree": "c48ebb92f836cfac58465eacc9658fbc2bac4783", "parents": [ "4c4308cb93450989846ac49faeb6dab943e7657e" ], "author": { "name": "Ananth N Mavinakayanahalli", "email": "ananth@in.ibm.com", "time": "Tue May 08 00:34:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:19 2007 -0700" }, "message": "Kprobes: The ON/OFF knob thru debugfs\n\nThis patch provides a debugfs knob to turn kprobes on/off\n\no A new file /debug/kprobes/enabled indicates if kprobes is enabled or\n not (default enabled)\no Echoing 0 to this file will disarm all installed probes\no Any new probe registration when disabled will register the probe but\n not arm it. A message will be printed out in such a case.\no When a value 1 is echoed to the file, all probes (including ones\n registered in the intervening period) will be enabled\no Unregistration will happen irrespective of whether probes are globally\n enabled or not.\no Update Documentation/kprobes.txt to reflect these changes. While there\n also update the doc to make it current.\n\nWe are also looking at providing sysrq key support to tie to the disabling\nfeature provided by this patch.\n\n[akpm@linux-foundation.org: Use bool like a bool!]\n[akpm@linux-foundation.org: add printk facility levels]\n[cornelia.huck@de.ibm.com: Add the missing arch_trampoline_kprobe() for s390]\nSigned-off-by: Ananth N Mavinakayanahalli \u003cananth@in.ibm.com\u003e\nSigned-off-by: Srinivasa DS \u003csrinivasa@in.ibm.com\u003e\nSigned-off-by: Cornelia Huck \u003ccornelia.huck@de.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "4c4308cb93450989846ac49faeb6dab943e7657e", "tree": "c06092cae6f95a243cdd758d07491cf5fa24a1dd", "parents": [ "6f716acd5fa20ae6a35ab29ae37fa9189e839ed5" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue May 08 00:34:14 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:19 2007 -0700" }, "message": "kprobes: kretprobes simplifications\n\n - consolidate duplicate code in all arch_prepare_kretprobe instances\n into common code\n - replace various odd helpers that use hlist_for_each_entry to get\n the first elemenet of a list with either a hlist_for_each_entry_save\n or an opencoded access to the first element in the caller\n - inline add_rp_inst into it\u0027s only remaining caller\n - use kretprobe_inst_table_head instead of opencoding it\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Prasanna S Panchamukhi \u003cprasanna@in.ibm.com\u003e\nAcked-by: Ananth N Mavinakayanahalli \u003cananth@in.ibm.com\u003e\nCc: Anil S Keshavamurthy \u003canil.s.keshavamurthy@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6f716acd5fa20ae6a35ab29ae37fa9189e839ed5", "tree": "abefdcd4a24de1879d1bafcf4c827d10db561bc8", "parents": [ "b0bb501651b467096723dcfcf4565d910a2aadf8" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue May 08 00:34:13 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:19 2007 -0700" }, "message": "kprobes: codingstyle cleanups\n\nRemove superflous braces and fix indentation aswell as comments.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Prasanna S Panchamukhi \u003cprasanna@in.ibm.com\u003e\nCc: Ananth N Mavinakayanahalli \u003cananth@in.ibm.com\u003e\nCc: Anil S Keshavamurthy \u003canil.s.keshavamurthy@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b0bb501651b467096723dcfcf4565d910a2aadf8", "tree": "ed7a6fef07dc5a942f04d403dbe0466301688306", "parents": [ "41ac8df9d5b731a4dd8f1f4e5a9de6ef8768383d" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue May 08 00:34:11 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:19 2007 -0700" }, "message": "kprobes: use hlist_for_each_entry\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Prasanna S Panchamukhi \u003cprasanna@in.ibm.com\u003e\nCc: Ananth N Mavinakayanahalli \u003cananth@in.ibm.com\u003e\nCc: Anil S Keshavamurthy \u003canil.s.keshavamurthy@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ade5fb818fb1861fd5f84619c761920ade762b5d", "tree": "e82613433ced07fea20f974586919b11864e2bbc", "parents": [ "c8e5b163101c5d716f08e90b686da620baa022f1" ], "author": { "name": "Josh Triplett", "email": "josh@kernel.org", "time": "Tue May 08 00:33:22 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:17 2007 -0700" }, "message": "rcutorture: Remove redundant assignment to cur_ops in for loop\n\nThe for loop in rcutorture_init uses the condition\ncur_ops \u003d torture_ops[i], cur_ops\nbut then makes the same assignment to cur_ops inside the loop. Remove the\nredundant assignment inside the loop, and remove now-unnecessary braces.\n\nSigned-off-by: Josh Triplett \u003cjosh@kernel.org\u003e\nCc: \"Paul E. McKenney\" \u003cpaulmck@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c8e5b163101c5d716f08e90b686da620baa022f1", "tree": "a159b2452edd86187663fc603139ceb9b9f58d61", "parents": [ "788e770eb2d17212eafaeedde0be56e3444c6b9a" ], "author": { "name": "Josh Triplett", "email": "josh@kernel.org", "time": "Tue May 08 00:33:20 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:17 2007 -0700" }, "message": "rcutorture: style cleanup: avoid !\u003d NULL in boolean tests\n\nSigned-off-by: Josh Triplett \u003cjosh@kernel.org\u003e\nCc: \"Paul E. McKenney\" \u003cpaulmck@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "788e770eb2d17212eafaeedde0be56e3444c6b9a", "tree": "0833022390feec63302918b454a8ac97c9786e45", "parents": [ "c3396620cace20639bdf380f893f4dccad090d91" ], "author": { "name": "Ahmed S. Darwish", "email": "darwish.07@gmail.com", "time": "Tue May 08 00:33:14 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:17 2007 -0700" }, "message": "rcutorture: Use ARRAY_SIZE macro when appropriate\n\nUse ARRAY_SIZE macro already defined in kernel.h\n\nSigned-off-by: Ahmed S. Darwish \u003cdarwish.07@gmail.com\u003e\nCc: \"Paul E. McKenney\" \u003cpaulmck@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" } ], "next": "c3396620cace20639bdf380f893f4dccad090d91" }