)]}' { "log": [ { "commit": "7ad5b3a505e68cfdc342933d6e0fc0eaa5e0a4f7", "tree": "6715ffd8df509d3d53dea581bb97418a21bc7cbc", "parents": [ "fc9b52cd8f5f459b88adcf67c47668425ae31a78" ], "author": { "name": "Harvey Harrison", "email": "harvey.harrison@gmail.com", "time": "Fri Feb 08 04:19:53 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 08 09:22:31 2008 -0800" }, "message": "kernel: remove fastcall in kernel/*\n\n[akpm@linux-foundation.org: coding-style fixes]\nSigned-off-by: Harvey Harrison \u003charvey.harrison@gmail.com\u003e\nAcked-by: 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": "6c5f3e7b43300508fe3947ff3cfff0f86043bb57", "tree": "9843b8897ec3357b09f62bb6423cd4753e1d4516", "parents": [ "fea9d175545b38cb3e84569400419eb81bc90fa3" ], "author": { "name": "Pavel Emelyanov", "email": "xemul@openvz.org", "time": "Fri Feb 08 04:19:20 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 08 09:22:29 2008 -0800" }, "message": "Pidns: make full use of xxx_vnr() calls\n\nSome time ago the xxx_vnr() calls (e.g. pid_vnr or find_task_by_vpid) were\n_all_ converted to operate on the current pid namespace. After this each call\nlike xxx_nr_ns(foo, current-\u003ensproxy-\u003epid_ns) is nothing but a xxx_vnr(foo)\none.\n\nSwitch all the xxx_nr_ns() callers to use the xxx_vnr() calls where\nappropriate.\n\nSigned-off-by: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nReviewed-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Balbir Singh \u003cbalbir@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": "06b8e878a9bc9301201cffe186eba99c4185f20a", "tree": "857434ed559cdb001177e81283be6f0b5693a781", "parents": [ "d9afa43532adf8a31b93c4c7601fda3f423d8972" ], "author": { "name": "Michael Neuling", "email": "mikey@neuling.org", "time": "Wed Feb 06 01:36:12 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed Feb 06 10:41:00 2008 -0800" }, "message": "taskstats scaled time cleanup\n\nThis moves the ability to scale cputime into generic code. This allows us\nto fix the issue in kernel/timer.c (noticed by Balbir) where we could only\nadd an unscaled value to the scaled utime/stime.\n\nThis adds a cputime_to_scaled function. As before, the POWERPC version\ndoes the scaling based on the last SPURR/PURR ratio calculated. The\ngeneric and s390 (only other arch to implement asm/cputime.h) versions are\nboth NOPs.\n\nAlso moves the SPURR and PURR snapshots closer.\n\nSigned-off-by: Michael Neuling \u003cmikey@neuling.org\u003e\nCc: Jay Lan \u003cjlan@engr.sgi.com\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\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "75659ca0c10992dcb39258518368a0f6f56e935d", "tree": "5d014ceb2f10158061a23d0d976f9a613d85e659", "parents": [ "fbdde7bd274d74729954190f99afcb1e3d9bbfba", "2dfe485a2c8afa54cb069fcf48476f6c90ea3fdf" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Feb 01 11:45:47 2008 +1100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Feb 01 11:45:47 2008 +1100" }, "message": "Merge branch \u0027task_killable\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc\n\n* \u0027task_killable\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc: (22 commits)\n Remove commented-out code copied from NFS\n NFS: Switch from intr mount option to TASK_KILLABLE\n Add wait_for_completion_killable\n Add wait_event_killable\n Add schedule_timeout_killable\n Use mutex_lock_killable in vfs_readdir\n Add mutex_lock_killable\n Use lock_page_killable\n Add lock_page_killable\n Add fatal_signal_pending\n Add TASK_WAKEKILL\n exit: Use task_is_*\n signal: Use task_is_*\n sched: Use task_contributes_to_load, TASK_ALL and TASK_NORMAL\n ptrace: Use task_is_*\n power: Use task_is_*\n wait: Use TASK_NORMAL\n proc/base.c: Use task_is_*\n proc/array.c: Use TASK_REPORT\n perfmon: Use task_is_*\n ...\n\nFixed up conflicts in NFS/sunrpc manually..\n" }, { "commit": "4c9dc6412247abf4972080c51cd16a58c4009c19", "tree": "a6c9b22da4ff5537219c03fbbfc919b95a27df2a", "parents": [ "a6fa8e5a6172a5a5bc06ed04f34e50b36c978127" ], "author": { "name": "Pavel Machek", "email": "pavel@ucw.cz", "time": "Wed Jan 30 13:30:00 2008 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Jan 30 13:30:00 2008 +0100" }, "message": "time: timer cleanups\n\nSmall cleanups to tick-related code. Wrong preempt count is followed\nby BUG(), so it is hardly KERN_WARNING.\n\nSigned-off-by: Pavel Machek \u003cpavel@suse.cz\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "a6fa8e5a6172a5a5bc06ed04f34e50b36c978127", "tree": "ec7750ea6438f85e2a1a94722962c7dbc3767100", "parents": [ "213eca7f4888e9817e8076cdab6b9f7295c181f6" ], "author": { "name": "Pavel Machek", "email": "pavel@ucw.cz", "time": "Wed Jan 30 13:30:00 2008 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Jan 30 13:30:00 2008 +0100" }, "message": "time: clean hungarian notation from timers\n\nClean up hungarian notation from timer code.\n\nSigned-off-by: Pavel Machek \u003cpavel@suse.cz\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "d3d74453c34f8fd87674a8cf5b8a327c68f22e99", "tree": "cbbd46eb7b81f5c9d39a93604a206ac775084858", "parents": [ "2d44ae4d7135b9aee26439b3523b43473381bc5f" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Fri Jan 25 21:08:31 2008 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Jan 25 21:08:31 2008 +0100" }, "message": "hrtimer: fixup the HRTIMER_CB_IRQSAFE_NO_SOFTIRQ fallback\n\nCurrently all highres\u003doff timers are run from softirq context, but\nHRTIMER_CB_IRQSAFE_NO_SOFTIRQ timers expect to run from irq context.\n\nFix this up by splitting it similar to the highres\u003don case.\n\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "48ccf3dac341118992b70ca89c47728e8b1d300b", "tree": "6a5c8ba87c5c2bb1e08aa73ca2fd2c2be5c17188", "parents": [ "0ec160dd48b666ddef39d639323d0da26d0b710d" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Mon Jan 21 17:18:25 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Jan 21 19:39:41 2008 -0800" }, "message": "timer: fix section mismatch\n\nThe caller is __cpuinit.\nAlso, this code block and its caller are inside #ifdef CONFIG_HOTPLUG_CPU\nblocks, so this code should reflect that config symbol\u0027s usage.\n\nWARNING: vmlinux.o(.text+0x4252f): Section mismatch: reference to .init.text: (between \u0027timer_cpu_notify\u0027 and \u0027msleep\u0027)\n\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nCc: Sam Ravnborg \u003csam@ravnborg.org\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@akpm@linux-foundation.org\u003e\n" }, { "commit": "84427eaef1fb91704c7112bdb598c810003b99f3", "tree": "bf22a7186295fcb6dc6bced34cfa73aa74b27300", "parents": [ "974a9f0b47da74e28f68b9c8645c3786aa5ace1a" ], "author": { "name": "Roland McGrath", "email": "roland@redhat.com", "time": "Thu Jan 10 12:52:04 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sun Jan 13 09:56:43 2008 -0800" }, "message": "remove task_ppid_nr_ns\n\ntask_ppid_nr_ns is called in three places. One of these should never\nhave called it. In the other two, using it broke the existing\nsemantics. This was presumably accidental. If the function had not\nbeen there, it would have been much more obvious to the eye that those\npatches were changing the behavior. We don\u0027t need this function.\n\nIn task_state, the pid of the ptracer is not the ppid of the ptracer.\n\nIn do_task_stat, ppid is the tgid of the real_parent, not its pid.\nI also moved the call outside of lock_task_sighand, since it doesn\u0027t\nneed it.\n\nIn sys_getppid, ppid is the tgid of the real_parent, not its pid.\n\nSigned-off-by: Roland McGrath \u003croland@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b4be625852618636a6b54908c4f9d90fb29dc549", "tree": "87c8f5f83b059ab839ce11dcc5e17f5fb12b0723", "parents": [ "b019e57321f3e006c0ec7a54f13efc377bcb6451" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Tue Dec 18 18:05:58 2007 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Dec 18 18:05:58 2007 +0100" }, "message": "timer: kernel/timer.c section fixes\n\nThis patch fixes the following section mismatches with CONFIG_HOTPLUG\u003dn,\nCONFIG_HOTPLUG_CPU\u003dy:\n\n...\nWARNING: vmlinux.o(.text+0x41cd3): Section mismatch: reference to .init.data:tvec_base_done.22610 (between \u0027timer_cpu_notify\u0027 and \u0027run_timer_softirq\u0027)\nWARNING: vmlinux.o(.text+0x41d67): Section mismatch: reference to .init.data:tvec_base_done.22610 (between \u0027timer_cpu_notify\u0027 and \u0027run_timer_softirq\u0027)\n...\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "294d5cc233d81ec4aec77ebc60dc5752a3d0082a", "tree": "9b75eba307934d5cb156202617bd4bfa7c7f01ee", "parents": [ "da78451190bdaae0e67d6c96b1ec3366abc45474" ], "author": { "name": "Matthew Wilcox", "email": "matthew@wil.cx", "time": "Thu Dec 06 11:59:46 2007 -0500" }, "committer": { "name": "Matthew Wilcox", "email": "willy@linux.intel.com", "time": "Thu Dec 06 17:40:07 2007 -0500" }, "message": "Add schedule_timeout_killable\n\nSigned-off-by: Matthew Wilcox \u003cwilly@linux.intel.com\u003e\n" }, { "commit": "fa13a5a1f25f671d084d8884be96fc48d9b68275", "tree": "97dae05bb5baef806a6dcbeed8b7eb5bdc61e4ae", "parents": [ "9a41785cc43d88397f787a651ed7286a33f8462f" ], "author": { "name": "Paul Mackerras", "email": "paulus@samba.org", "time": "Fri Nov 09 22:39:38 2007 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Nov 09 22:39:38 2007 +0100" }, "message": "sched: restore deterministic CPU accounting on powerpc\n\nSince powerpc started using CONFIG_GENERIC_CLOCKEVENTS, the\ndeterministic CPU accounting (CONFIG_VIRT_CPU_ACCOUNTING) has been\nbroken on powerpc, because we end up counting user time twice: once in\ntimer_interrupt() and once in update_process_times().\n\nThis fixes the problem by pulling the code in update_process_times\nthat updates utime and stime into a separate function called\naccount_process_tick. If CONFIG_VIRT_CPU_ACCOUNTING is not defined,\nthere is a version of account_process_tick in kernel/timer.c that\nsimply accounts a whole tick to either utime or stime as before. If\nCONFIG_VIRT_CPU_ACCOUNTING is defined, then arch code gets to\nimplement account_process_tick.\n\nThis also lets us simplify the s390 code a bit; it means that the s390\ntimer interrupt can now call update_process_times even when\nCONFIG_VIRT_CPU_ACCOUNTING is turned on, and can just implement a\nsuitable account_process_tick().\n\naccount_process_tick() now takes the task_struct * as an argument.\nTested both with and without CONFIG_VIRT_CPU_ACCOUNTING.\n\nSigned-off-by: Paul Mackerras \u003cpaulus@samba.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "8dce39c231af554932f8ab0d671e077ab6db9e46", "tree": "ac09b1b9f93b0056ea7e9709be56dbfbf447b894", "parents": [ "001e09e86c1c7612783f46256500c31e5ed55c6a" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Mon Nov 05 14:51:10 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Nov 05 15:12:33 2007 -0800" }, "message": "time: fix inconsistent function names in comments\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: 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": "b488893a390edfe027bae7a46e9af8083e740668", "tree": "c469a7f99ad01005a73011c029eb5e5d15454559", "parents": [ "3eb07c8c8adb6f0572baba844ba2d9e501654316" ], "author": { "name": "Pavel Emelyanov", "email": "xemul@openvz.org", "time": "Thu Oct 18 23:40:14 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 19 11:53:40 2007 -0700" }, "message": "pid namespaces: changes to show virtual ids to user\n\nThis is the largest patch in the set. Make all (I hope) the places where\nthe pid is shown to or get from user operate on the virtual pids.\n\nThe idea is:\n - all in-kernel data structures must store either struct pid itself\n or the pid\u0027s global nr, obtained with pid_nr() call;\n - when seeking the task from kernel code with the stored id one\n should use find_task_by_pid() call that works with global pids;\n - when showing pid\u0027s numerical value to the user the virtual one\n should be used, but however when one shows task\u0027s pid outside this\n task\u0027s namespace the global one is to be used;\n - when getting the pid from userspace one need to consider this as\n the virtual one and use appropriate task/pid-searching functions.\n\n[akpm@linux-foundation.org: build fix]\n[akpm@linux-foundation.org: nuther build fix]\n[akpm@linux-foundation.org: yet nuther build fix]\n[akpm@linux-foundation.org: remove unneeded casts]\nSigned-off-by: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@openvz.org\u003e\nCc: Sukadev Bhattiprolu \u003csukadev@us.ibm.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Paul Menage \u003cmenage@google.com\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": "c66f08be7e3ad0a28bcd9a0aef766fdf08ea0ec6", "tree": "d147c0a43a66973014d924a6020388a249c509a7", "parents": [ "898eb71cb17644964c5895fb190e79e3d0c49679" ], "author": { "name": "Michael Neuling", "email": "mikey@neuling.org", "time": "Thu Oct 18 03:06:34 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Oct 18 14:37:28 2007 -0700" }, "message": "Add scaled time to taskstats based process accounting\n\nThis adds items to the taststats struct to account for user and system\ntime based on scaling the CPU frequency and instruction issue rates.\n\nAdds account_(user|system)_time_scaled callbacks which architectures\ncan use to account for time using this mechanism.\n\nSigned-off-by: Michael Neuling \u003cmikey@neuling.org\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Jay Lan \u003cjlan@engr.sgi.com\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "5b4db0c2f25925fcfc17fa7233b7b90dc023d207", "tree": "a6ea308e2ce8becbeee9544c3161d24e630fcf59", "parents": [ "0719e3702e3ad81c51aec993a641a7d84d3ac618" ], "author": { "name": "Daniel Walker", "email": "dwalker@mvista.com", "time": "Thu Oct 18 03:06:11 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Oct 18 14:37:26 2007 -0700" }, "message": "whitespace fixes: system timers\n\nSigned-off-by: Daniel Walker \u003cdwalker@mvista.com\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": "c36c282b88963d0957368a443168588e62301fda", "tree": "6343887ae42a65635a61b4ad99fd7f3e8dd24758", "parents": [ "f4fbfb0dda5577075a049eec7fb7ad38abca1912", "1f564ad6d4182859612cbae452122e5eb2d62a76" ], "author": { "name": "Tony Luck", "email": "tony.luck@intel.com", "time": "Fri Jul 20 11:26:47 2007 -0700" }, "committer": { "name": "Tony Luck", "email": "tony.luck@intel.com", "time": "Fri Jul 20 11:26:47 2007 -0700" }, "message": "Pull ia64-clocksource into release branch\n" }, { "commit": "1f564ad6d4182859612cbae452122e5eb2d62a76", "tree": "ef98ce12ed64853437c35a81e29f0d1c09a4393b", "parents": [ "0aa366f351d044703e25c8425e508170e80d83b1" ], "author": { "name": "Bob Picco", "email": "bob.picco@hp.com", "time": "Wed Jul 18 15:51:28 2007 -0700" }, "committer": { "name": "Tony Luck", "email": "tony.luck@intel.com", "time": "Fri Jul 20 11:23:02 2007 -0700" }, "message": "[IA64] remove time interpolator\n\nRemove time_interpolator code (This is generic code, but\nonly user was ia64. It has been superseded by the\nCONFIG_GENERIC_TIME code).\n\nSigned-off-by: Bob Picco \u003cbob.picco@hp.com\u003e\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Peter Keilty \u003cpeter.keilty@hp.com\u003e\nSigned-off-by: Tony Luck \u003ctony.luck@intel.com\u003e\n" }, { "commit": "6819457d2cb7fe4fdb0fc3655b6b6dc71a86bee9", "tree": "165cdf2803985fee52b42ed2a62e8569282d7682", "parents": [ "71120f183bff04ba4f7ba3cc554202061912d548" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Thu Jul 19 01:49:16 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Jul 19 10:04:52 2007 -0700" }, "message": "timer.c: cleanup recently introduced whitespace damage\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "94f6030ca792c57422f04a73e7a872d8325946d3", "tree": "0197f24d82b1706f1b0521f2cf68feeff64123df", "parents": [ "81cda6626178cd55297831296ba8ecedbfd8b52d" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Tue Jul 17 04:03:29 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Jul 17 10:23:02 2007 -0700" }, "message": "Slab allocators: Replace explicit zeroing with __GFP_ZERO\n\nkmalloc_node() and kmem_cache_alloc_node() were not available in a zeroing\nvariant in the past. But with __GFP_ZERO it is possible now to do zeroing\nwhile allocating.\n\nUse __GFP_ZERO to remove the explicit clearing of memory via memset whereever\nwe can.\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": "c5c061b8f9726bc2c25e19dec227933a13d1e6b7", "tree": "e99f68f70df1a01dd383007895befd114a1da8c4", "parents": [ "e0807061908a7a9441d0f745deb444f7216904cb" ], "author": { "name": "Venki Pallipadi", "email": "venkatesh.pallipadi@intel.com", "time": "Sun Jul 15 23:40:30 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Jul 16 09:05:45 2007 -0700" }, "message": "Add a flag to indicate deferrable timers in /proc/timer_stats\n\nAdd a flag in /proc/timer_stats to indicate deferrable timers. This will\nlet developers/users to differentiate between types of tiemrs in\n/proc/timer_stats.\n\nDeferrable timer and normal timer will appear in /proc/timer_stats as below.\n 10D, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)\n 10, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)\n\nAlso version of timer_stats changes from v0.1 to v0.2\n\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nAcked-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: 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": "d62141414a55ff3f1410b27db2a95224446e77a4", "tree": "36c3ddbe084ba6f688744434b39f959aef6381c8", "parents": [ "924b42d5a2dbe508407a0a6290d3751f826bccdd" ], "author": { "name": "Tomas Janousek", "email": "tjanouse@redhat.com", "time": "Sun Jul 15 23:39:42 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Jul 16 09:05:41 2007 -0700" }, "message": "Use boot based time for uptime in /proc\n\nCommit 411187fb05cd11676b0979d9fbf3291db69dbce2 caused uptime not to increase\nduring suspend. This may cause confusion so I restore the old behaviour by\nusing the boot based time instead of monotonic for uptime.\n\nSigned-off-by: Tomas Janousek \u003ctjanouse@redhat.com\u003e\nAcked-by: 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": "eaad084bb0f3a6259e56400cd45d061dbf040600", "tree": "34a5f5c3e1a849b035510ee28d5aaffd42a36dcc", "parents": [ "6e98ee75c3ab99db48ecc0615c2246dc193111a9" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Tue May 29 23:47:39 2007 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 29 18:11:10 2007 -0700" }, "message": "NOHZ: prevent multiplication overflow - stop timer for huge timeouts\n\nget_next_timer_interrupt() returns a delta of (LONG_MAX \u003e 1) in case\nthere is no timer pending. On 64 bit machines this results in a\nmultiplication overflow in tick_nohz_stop_sched_tick().\n\nReported by: Dave Miller \u003cdavem@davemloft.net\u003e\n\nMake the return value a constant and limit the return value to a 32 bit\nvalue.\n\nWhen the max timeout value is returned, we can safely stop the tick\ntimer device. The max jiffies delta results in a 12 days timeout for\nHZ\u003d1000.\n\nIn the long term the get_next_timer_interrupt() code needs to be\nreworked to return ktime instead of jiffies, but we have to wait until\nthe last users of the original NO_IDLE_HZ code are converted.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nAcked-off-by: David S. Miller \u003cdavem@davemloft.net\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": "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": "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": "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": "b5e618181a927210f8be1d3d2249d31904ba358d", "tree": "731f1ae4ff1ba56d402bb329182b7d935bb439a1", "parents": [ "db9c02fa8bd50eb104781a9f78cae923d8da1e74" ], "author": { "name": "Pavel Emelianov", "email": "xemul@sw.ru", "time": "Tue May 08 00:30:19 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:11 2007 -0700" }, "message": "Introduce a handy list_first_entry macro\n\nThere are many places in the kernel where the construction like\n\n foo \u003d list_entry(head-\u003enext, struct foo_struct, list);\n\nare used.\nThe code might look more descriptive and neat if using the macro\n\n list_first_entry(head, type, member) \\\n list_entry((head)-\u003enext, type, member)\n\nHere is the macro itself and the examples of its usage in the generic code.\n If it will turn out to be useful, I can prepare the set of patches to\ninject in into arch-specific code, drivers, networking, etc.\n\nSigned-off-by: Pavel Emelianov \u003cxemul@openvz.org\u003e\nSigned-off-by: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nCc: Andi Kleen \u003candi@firstfloor.org\u003e\nCc: Zach Brown \u003czach.brown@oracle.com\u003e\nCc: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nCc: John McCutchan \u003cttb@tentacle.dhs.org\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Ram Pai \u003clinuxram@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": "8524070b7982d76258942275908b7434cfcab4b4", "tree": "6e63c45c3b9ff6a86ad32b1de7adf48889eb0bfc", "parents": [ "329c8d84ca1946c037d9859dc251b56d8b1b4630" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Tue May 08 00:27:59 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:06 2007 -0700" }, "message": "Move timekeeping code to timekeeping.c\n\nMove the timekeeping code out of kernel/timer.c and into\nkernel/time/timekeeping.c. I made no cleanups or other changes in transit.\n\n[akpm@linux-foundation.org: build fix]\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6e453a67510a17f01b63835f18569e8c3939a38c", "tree": "2cbc50f434cf4397d2f279480ea2c2a87defa9b0", "parents": [ "da6752964290567a6b4ea180d1becda75e810e87" ], "author": { "name": "Venki Pallipadi", "email": "venkatesh.pallipadi@intel.com", "time": "Tue May 08 00:27:44 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:15:05 2007 -0700" }, "message": "Add support for deferrable timers\n\nIntroduce a new flag for timers - deferrable: Timers that work normally\nwhen system is busy. But, will not cause CPU to come out of idle (just to\nservice this timer), when CPU is idle. Instead, this timer will be\nserviced when CPU eventually wakes up with a subsequent non-deferrable\ntimer.\n\nThe main advantage of this is to avoid unnecessary timer interrupts when\nCPU is idle. If the routine currently called by a timer can wait until\nnext event without any issues, this new timer can be used to setup timer\nevent for that routine. This, with dynticks, allows CPUs to be lazy,\nallowing them to stay in idle for extended period of time by reducing\nunnecesary wakeup and thereby reducing the power consumption.\n\nThis patch:\n\nBuilds this new timer on top of existing timer infrastructure. It uses\nlast bit in \u0027base\u0027 pointer of timer_list structure to store this deferrable\ntimer flag. __next_timer_interrupt() function skips over these deferrable\ntimers when CPU looks for next timer event for which it has to wake up.\n\nThis is exported by a new interface init_timer_deferrable() that can be\ncalled in place of regular init_timer().\n\n[akpm@linux-foundation.org: Privatise a #define]\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Dave Jones \u003cdavej@codemonkey.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": "e19dff1fdd99a25819af74cf0710e147fff4fd3a", "tree": "ed64cec5118d671ba20c1abc2d30a8da290282f6", "parents": [ "7318226ea2931a627f3572e5f4804c91ca19ecbc" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu Apr 26 15:46:56 2007 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Thu Apr 26 15:46:56 2007 -0700" }, "message": "[AF_RXRPC]: Make it possible to merely try to cancel timers from a module\n\nExport try_to_del_timer_sync() for use by the AF_RXRPC module.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "995f054f2a342f8505fed4f8395d12c0f5966414", "tree": "08ddf96e3365d2b0a9940914fdb179810fbca3a0", "parents": [ "bbef618190fb484b28b7d441e6fc5d524027c4fa" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sat Apr 07 12:05:00 2007 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sat Apr 07 10:03:43 2007 -0700" }, "message": "[PATCH] high-res timers: resume fix\n\nSoeren Sonnenburg reported that upon resume he is getting\nthis backtrace:\n\n [\u003cc0119637\u003e] smp_apic_timer_interrupt+0x57/0x90\n [\u003cc0142d30\u003e] retrigger_next_event+0x0/0xb0\n [\u003cc0104d30\u003e] apic_timer_interrupt+0x28/0x30\n [\u003cc0142d30\u003e] retrigger_next_event+0x0/0xb0\n [\u003cc0140068\u003e] __kfifo_put+0x8/0x90\n [\u003cc0130fe5\u003e] on_each_cpu+0x35/0x60\n [\u003cc0143538\u003e] clock_was_set+0x18/0x20\n [\u003cc0135cdc\u003e] timekeeping_resume+0x7c/0xa0\n [\u003cc02aabe1\u003e] __sysdev_resume+0x11/0x80\n [\u003cc02ab0c7\u003e] sysdev_resume+0x47/0x80\n [\u003cc02b0b05\u003e] device_power_up+0x5/0x10\n\nit turns out that on resume we mistakenly re-enable interrupts too\nearly. Do the timer retrigger only on the current CPU.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nAcked-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nAcked-by: Soeren Sonnenburg \u003ckernel@nn7.de\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "9501b6cf5541f0d576d566a463f1e7d3eaaab4eb", "tree": "7983c4cc3c82e465cfe88a7fd67e39dbed72e1e0", "parents": [ "317ec6cd00f25d05d153a780bc178c5335f320ee" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Sun Mar 25 14:31:17 2007 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sun Mar 25 14:57:34 2007 -0700" }, "message": "[PATCH] dynticks: fix hrtimer rounding error in next_timer_interrupt\n\nThe rework of next_timer_interrupt() fixed the timer wheel bugs, but\ninvented a rounding error versus the next hrtimer event. This is caused\nby the conversion of the hrtimer internal representation to relative\njiffies.\n\nThis causes bug #8100:\nhttp://bugzilla.kernel.org/show_bug.cgi?id\u003d8100\n\nnext_timer_interrupt() returns \"now\" in such a case and causes the code\nin tick_nohz_stop_sched_tick() to trigger the timer softirq, which is\nbogus as no timer is due for expiry. This results in an endless context\nswitching between idle and ksoftirqd until a timer is due for expiry.\n\nModify the hrtimer evaluation so that, it returns now + 1, when the\nconversion results in a delta \u003c 1 jiffie.\n\nIt\u0027s confirmed to resolve bug #8100\n\nReported-by: Emil Karlson \u003cjkarlson@cc.hut.fi\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "90675a27fa3eb0e97f1d040b183cceb44316e669", "tree": "cf97bd53de877c12798368a4e06bba21285c0763", "parents": [ "7a434814c7a6500b08bf4419ba8712b152d08d08" ], "author": { "name": "Daniel Walker", "email": "dwalker@mvista.com", "time": "Tue Mar 06 01:42:11 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Mar 06 09:30:25 2007 -0800" }, "message": "[PATCH] fix vsyscall settimeofday\n\nI\u0027ve only seen this on x86_64.\n\nThe vsyscall state only gets updated when a timer interrupts comes in. So\nif the time is set long before the next timer, there will be a period when\na gettimeofday() won\u0027t reflect the correct time.\n\nI added an explicit update_vsyscall() during the settimeofday(), that way\nthe vsyscall state doesn\u0027t get stale.\n\nSigned-off-by: Daniel Walker \u003cdwalker@mvista.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nAcked-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nAcked-by: 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": "6321dd60c76b2e12383bc06046288b15397ed3a0", "tree": "4cea63e69ce4f6f5f7f94fc6905063efdde7974e", "parents": [ "c3442e296517aee733d62fc3fe03211598902c7d" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Tue Mar 06 08:25:42 2007 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Mar 06 09:30:24 2007 -0800" }, "message": "[PATCH] Save/restore periodic tick information over suspend/resume\n\nThe programming of periodic tick devices needs to be saved/restored\nacross suspend/resume - otherwise we might end up with a system coming\nup that relies on getting a PIT (or HPET) interrupt, while those devices\ndefault to \u0027no interrupts\u0027 after powerup. (To confuse things it worked\nto a certain degree on some systems because the lapic gets initialized\nas a side-effect of SMP bootup.)\n\nThis suspend / resume thing was dropped unintentionally during the\nlast-minute -mm code reshuffling.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e81ce1f7ecdaed2844c75313b09af791d44e6373", "tree": "49e70223f9ca808c6c7fed5cf7ce00125ccca84a", "parents": [ "6bb74df481223731af6c7e0ff3adb31f6442cfcd" ], "author": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Mon Mar 05 00:30:51 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Mar 05 07:57:53 2007 -0800" }, "message": "[PATCH] timer/hrtimer: take per cpu locks in sane order\n\nDoing something like this on a two cpu system\n\n # echo 0 \u003e /sys/devices/system/cpu/cpu0/online\n # echo 1 \u003e /sys/devices/system/cpu/cpu0/online\n # echo 0 \u003e /sys/devices/system/cpu/cpu1/online\n\nwill give me this:\n\n \u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n [ INFO: possible circular locking dependency detected ]\n 2.6.21-rc2-g562aa1d4-dirty #7\n -------------------------------------------------------\n bash/1282 is trying to acquire lock:\n (\u0026cpu_base-\u003elock_key){.+..}, at: [\u003c000000000005f17e\u003e] hrtimer_cpu_notify+0xc6/0x240\n\n but task is already holding lock:\n (\u0026cpu_base-\u003elock_key#2){.+..}, at: [\u003c000000000005f174\u003e] hrtimer_cpu_notify+0xbc/0x240\n\n which lock already depends on the new lock.\n\nThis happens because we have the following code in kernel/hrtimer.c:\n\n migrate_hrtimers(int cpu)\n [...]\n old_base \u003d \u0026per_cpu(hrtimer_bases, cpu);\n new_base \u003d \u0026get_cpu_var(hrtimer_bases);\n [...]\n spin_lock(\u0026new_base-\u003elock);\n spin_lock(\u0026old_base-\u003elock);\n\nWhich means the spinlocks are taken in an order which depends on which cpu\ngets shut down from which other cpu. Therefore lockdep complains that there\nmight be an ABBA deadlock. Since migrate_hrtimers() gets only called on\ncpu hotplug it\u0027s safe to assume that it isn\u0027t executed concurrently on a\n\nThe same problem exists in kernel/timer.c: migrate_timers().\n\nAs pointed out by Christian Borntraeger one possible solution to avoid\nthe locking order complaints would be to make sure that the locks are\nalways taken in the same order. E.g. by taking the lock of the cpu with\nthe lower number first.\n\nTo achieve this we introduce two new spinlock functions double_spin_lock\nand double_spin_unlock which lock or unlock two locks in a given order.\n\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Christian Borntraeger \u003ccborntra@de.ibm.com\u003e\nCc: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\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": "05fb6bf0b29552b64dc86f405a484de2514e0ac2", "tree": "cd3306512f98f73f7e846fc55b6e56aed4bfea61", "parents": [ "328d24403d6a6b856722facd39d7b6ccb429353b" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Wed Feb 28 20:12:13 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Mar 01 14:53:37 2007 -0800" }, "message": "[PATCH] kernel-doc fixes for 2.6.20-git15 (non-drivers)\n\nFix kernel-doc warnings in 2.6.20-git15 (lib/, mm/, kernel/, include/).\n\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "9d6346311418d12e90cca9384e5fbbe2ffa18efb", "tree": "643b648e058ddac34ce73d161082ed6c43ddf951", "parents": [ "28936117af849b8c2fca664a41ea7651a0d99591" ], "author": { "name": "Daniel Walker", "email": "dwalker@mvista.com", "time": "Wed Feb 28 20:12:07 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Mar 01 14:53:36 2007 -0800" }, "message": "[PATCH] update timekeeping_is_continuous comment\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": "acc9a9dcdd0dd1d295c2f2ee02c27c761bd63cb1", "tree": "78acee4323183da18586c9f4fc8a50999a2f4755", "parents": [ "88ad0bf6890505cbd9ca1dbb79944a27b5c8697d" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Fri Feb 16 01:28:17 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:14:00 2007 -0800" }, "message": "[PATCH] generic: vsyscall-gtod support for GENERIC_TIME\n\nProvides generic infrastructure for vsyscall-gtod.\n\n[akpm@osdl.org: cleanup]\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Andi Kleen \u003cak@muc.de\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\n\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "82f67cd9fca8c8762c15ba7ed0d5747588c1e221", "tree": "1ff7e5cc496580b85bb42fb1d7b19dcbef7b7776", "parents": [ "8bfd9a7a229b5f3d3eda5d7d45c2eebec5b4ba16" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Feb 16 01:28:13 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:59 2007 -0800" }, "message": "[PATCH] Add debugging feature /proc/timer_stat\n\nAdd /proc/timer_stats support: debugging feature to profile timer expiration.\nBoth the starting site, process/PID and the expiration function is captured.\nThis allows the quick identification of timer event sources in a system.\n\nSample output:\n\n# echo 1 \u003e /proc/timer_stats\n# cat /proc/timer_stats\nTimer Stats Version: v0.1\nSample period: 4.010 s\n 24, 0 swapper hrtimer_stop_sched_tick (hrtimer_sched_tick)\n 11, 0 swapper sk_reset_timer (tcp_delack_timer)\n 6, 0 swapper hrtimer_stop_sched_tick (hrtimer_sched_tick)\n 2, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)\n 17, 0 swapper hrtimer_restart_sched_tick (hrtimer_sched_tick)\n 2, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)\n 4, 2050 pcscd do_nanosleep (hrtimer_wakeup)\n 5, 4179 sshd sk_reset_timer (tcp_write_timer)\n 4, 2248 yum-updatesd schedule_timeout (process_timeout)\n 18, 0 swapper hrtimer_restart_sched_tick (hrtimer_sched_tick)\n 3, 0 swapper sk_reset_timer (tcp_delack_timer)\n 1, 1 swapper neigh_table_init_no_netlink (neigh_periodic_timer)\n 2, 1 swapper e1000_up (e1000_watchdog)\n 1, 1 init schedule_timeout (process_timeout)\n100 total events, 25.24 events/sec\n\n[ cleanups and hrtimers support from Thomas Gleixner \u003ctglx@linutronix.de\u003e ]\n[bunk@stusta.de: nr_entries can become static]\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "79bf2bb335b85db25d27421c798595a2fa2a0e82", "tree": "550ec2654ae1dd65b871de7fe9c890108c6e86d8", "parents": [ "f8381cba04ba8173fd5a2b8e5cd8b3290ee13a98" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:28:03 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:59 2007 -0800" }, "message": "[PATCH] tick-management: dyntick / highres functionality\n\nWith Ingo Molnar \u003cmingo@elte.hu\u003e\n\nAdd functions to provide dynamic ticks and high resolution timers. The code\nwhich keeps track of jiffies and handles the long idle periods is shared\nbetween tick based and high resolution timer based dynticks. The dyntick\nfunctionality can be disabled on the kernel commandline. Provide also the\ninfrastructure to support high resolution timers.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "d316c57ff6bfad9557462b9100f25c6260d2b774", "tree": "f77a04aab5c39c416f52ff5ac9396da5a6b93759", "parents": [ "e05d723f98595b2f4d368f63636a997d98703304" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:28:00 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:59 2007 -0800" }, "message": "[PATCH] clockevents: add core functionality\n\nArchitectures register their clock event devices, in the clock events core.\nUsers of the clockevents core can get clock event devices for their use. The\nclockevents core code provides notification mechanisms for various clock\nrelated management events.\n\nThis allows to control the clock event devices without the architectures\nhaving to worry about the details of function assignment. This is also a\npreliminary for high resolution timers and dynamic ticks to allow the core\ncode to control the clock functionality without intrusive changes to the\narchitecture code.\n\n[Fixes-by: Ingo Molnar \u003cmingo@elte.hu\u003e]\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fd064b9b7770d5c7705bf9542950c7bd81c30f98", "tree": "8b14c81f983e49b5553fd6764139bffb1d4f1648", "parents": [ "1cfd68496e53f7be09a3c1358d1d389004217541" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:27:47 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:58 2007 -0800" }, "message": "[PATCH] Extend next_timer_interrupt() to use a reference jiffie\n\nFor CONFIG_NO_HZ we need to calculate the next timer wheel event based on a\ngiven jiffie value. Extend the existing code to allow the extra \u0027now\u0027\nargument. Provide a compability function for the existing implementations to\ncall the function with now \u003d\u003d jiffies. (This also solves the racyness of the\noriginal code vs. jiffies changing during the iteration.)\n\nNo functional changes to existing users of this infrastructure.\n\n[ remove WARN_ON() that triggered on s390, by Carsten Otte \u003ccotte@de.ibm.com\u003e ]\n[ made new helper static, Adrian Bunk \u003cbunk@stusta.de\u003e ]\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "1cfd68496e53f7be09a3c1358d1d389004217541", "tree": "d854323b9b7821ab45ddea10d97766edce91be99", "parents": [ "dde4b2b5f4ed275250488dabdaf282d9c6e7e2b8" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:27:46 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:58 2007 -0800" }, "message": "[PATCH] Fix cascade lookup of next_timer_interrupt\n\nWhen searching for the next pending timer in the timer wheel we need to take\nthe cascade into account. The current code has several problems:\n\n 1. it looks into the previous cascade\n 2. it ignores a pending cascade\n 3. it ignores multiple cascades\n\nChange the cascade lookup, so it calculates the array index from the point of\nthe next cascade and always look at the cascade buckets, when the cascade is\npending, i.e. gets executed in the next timer softirq. When multiple\ncascades are pending, then lookup the next buckets too.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "5d8b34fdcb384161552d01ee8f34af5ff11f9684", "tree": "7052d50574d747b7ec2172051adf8126074d6982", "parents": [ "7e69f2b1ead2a4c51c12817f18263ff0e59335a6" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:27:43 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:57 2007 -0800" }, "message": "[PATCH] clocksource: Add verification (watchdog) helper\n\nThe TSC needs to be verified against another clocksource. Instead of using\nhardwired assumptions of available hardware, provide a generic verification\nmechanism. The verification uses the best available clocksource and handles\nthe usability for high resolution timers / dynticks of the clocksource which\nneeds to be verified.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "7e69f2b1ead2a4c51c12817f18263ff0e59335a6", "tree": "b00295fb1983dd0624b94a613c8661c1bd995a29", "parents": [ "877fe38029366c19def24359627db8cc24d9fef6" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:27:42 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:57 2007 -0800" }, "message": "[PATCH] clocksource: Remove the update callback\n\nThe clocksource code allows direct updates of the rating of a given\nclocksource now. Change TSC unstable tracking to use this interface and\nremove the update callback.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "73b08d2aa4245806ef1bdd48463e9a0b045c62cf", "tree": "1cd5b3a7b9f889bb6ff1e7fc6c9a95751faad4d7", "parents": [ "95492e4646e5de8b43d9a7908d6177fb737b61f0" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri Feb 16 01:27:36 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:57 2007 -0800" }, "message": "[PATCH] clocksource: replace is_continuous by a flag field\n\nUsing a flag filed allows to encode more than one information into a variable.\nPreparatory patch for the generic clocksource verification.\n\n[mingo@elte.hu: convert vmitime.c to the new clocksource flag]\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "411187fb05cd11676b0979d9fbf3291db69dbce2", "tree": "6202ca36868ab47edf737de81c7b7c4841228ab3", "parents": [ "9f907c0144496e464bd5ed5a99a51227d63a9c0b" ], "author": { "name": "John Stultz", "email": "johnstul@us.ibm.com", "time": "Fri Feb 16 01:27:30 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:57 2007 -0800" }, "message": "[PATCH] GTOD: persistent clock support\n\nPersistent clock support: do proper timekeeping across suspend/resume.\n\n[bunk@stusta.de: cleanup]\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: Adrian Bunk \u003cbunk@stusta.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f4304ab21513b834c8fe3403927c60c2b81a72d7", "tree": "212c8fa327d9cf3f29cccf172f0707a3eb6524f8", "parents": [ "771ee3b04eaac6184312825eb600b4c598f027a5" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Fri Feb 16 01:27:26 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 16 08:13:56 2007 -0800" }, "message": "[PATCH] HZ free ntp\n\nDistangle the NTP update from HZ. This is necessary for dynamic tick enabled\nkernels.\n\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: 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": "5809f9d442e9dbb23859e2c37d8c47043f6b5cc9", "tree": "24c634f6de962734a1a6a8b94504d9555a35fcea", "parents": [ "26054ed02bb20f5b2e02d92cb6f0be0e2b0196d5" ], "author": { "name": "Eric Dumazet", "email": "dada1@cosmosbay.com", "time": "Tue Feb 13 13:26:21 2007 +0100" }, "committer": { "name": "Andi Kleen", "email": "andi@basil.nowhere.org", "time": "Tue Feb 13 13:26:21 2007 +0100" }, "message": "[PATCH] x86-64: get rid of ARCH_HAVE_XTIME_LOCK\n\nARCH_HAVE_XTIME_LOCK is used by x86_64 arch . This arch needs to place a\nread only copy of xtime_lock into vsyscall page. This read only copy is\nnamed __xtime_lock, and xtime_lock is defined in\narch/x86_64/kernel/vmlinux.lds.S as an alias. So the declaration of\nxtime_lock in kernel/timer.c was guarded by ARCH_HAVE_XTIME_LOCK define,\ndefined to true on x86_64.\n\nWe can get same result with _attribute__((weak)) in the declaration. linker\nshould do the job.\n\nSigned-off-by: Eric Dumazet \u003cdada1@cosmosbay.com\u003e\nSigned-off-by: Andi Kleen \u003cak@suse.de\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\n" }, { "commit": "d4d23add3abcd18d8021b99f230df608ccb2f007", "tree": "756c5a7d21a9f5a25f10bfcec40c01aecc596c2f", "parents": [ "72fd4a35a824331d7a0f4168d7576502d95d34b3" ], "author": { "name": "Kyle McMartin", "email": "kyle@parisc-linux.org", "time": "Sat Feb 10 01:46:00 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sun Feb 11 10:51:32 2007 -0800" }, "message": "[PATCH] Common compat_sys_sysinfo\n\nI noticed that almost all architectures implemented exactly the same\nsys32_sysinfo... except parisc, where a bug was to be found in handling of\nthe uptime. So let\u0027s remove a whole whack of code for fun and profit.\nCribbed compat_sys_sysinfo from x86_64\u0027s implementation, since I figured it\nwould be the best tested.\n\nThis patch incorporates Arnd\u0027s suggestion of not using set_fs/get_fs, but\ninstead extracting out the common code from sys_sysinfo.\n\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\nCc: \u003clinux-arch@vger.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": "72fd4a35a824331d7a0f4168d7576502d95d34b3", "tree": "be27880bc36b7f62e8044a88b8744a35c5317714", "parents": [ "262086cf5b5343c2b81c97b1c606058e921859df" ], "author": { "name": "Robert P. J. Day", "email": "rpjday@mindspring.com", "time": "Sat Feb 10 01:45:59 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sun Feb 11 10:51:32 2007 -0800" }, "message": "[PATCH] Numerous fixes to kernel-doc info in source files.\n\nA variety of (mostly) innocuous fixes to the embedded kernel-doc content in\nsource files, including:\n\n * make multi-line initial descriptions single line\n * denote some function names, constants and structs as such\n * change erroneous opening \u0027/*\u0027 to \u0027/**\u0027 in a few places\n * reword some text for clarity\n\nSigned-off-by: Robert P. J. Day \u003crpjday@mindspring.com\u003e\nCc: \"Randy.Dunlap\" \u003crdunlap@xenotime.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "3db5db4fcdafc85b99d171336a7d2f25765ccd13", "tree": "5fb1f991a7eb0de9fcab48d1a889f4324c823077", "parents": [ "fc0ecff698165ae8e178efa086e0dd1f385206b1" ], "author": { "name": "Helge Deller", "email": "deller@gmx.de", "time": "Sat Feb 10 01:45:40 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sun Feb 11 10:51:31 2007 -0800" }, "message": "[PATCH] use cycle_t instead of u64 in struct time_interpolator\n\nThe 32bit and 64bit PARISC Linux kernels suffers from the problem, that the\ngettimeofday() call sometimes returns non-monotonic times.\n\nThe easiest way to fix this, is to drop the PARISC-specific implementation\nand switch over to the generic TIME_INTERPOLATION framework.\n\nBut in order to make it even compile on 32bit PARISC, the patch below which\ntouches the generic Linux code, is mandatory.\n\nMore information and the full patch with the parisc-specific changes is included in this thread: http://lists.parisc-linux.org/pipermail/parisc-linux/2006-December/031003.html\n\nAs far as I could see, this patch does not change anything for the existing\narchitectures which use this framework (IA64 and SPARC64), since \"cycles_t\"\nis defined there as unsigned 64bit-integer anyway (which then makes this\npatch a no-change for them).\n\nSigned-off-by: Helge Deller \u003cdeller@gmx.de\u003e\nCc: \u003clinux-arch@vger.kernel.org\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": "5b149bcc230e4696a1d893504bed38aeb3832314", "tree": "f58245b894c8986ca1f8bf03a3bb7fa9b80df528", "parents": [ "fadfc8e930dcaf502b49a0a0170ba8ebe9a34c49" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Fri Dec 22 01:10:14 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.osdl.org", "time": "Fri Dec 22 08:55:49 2006 -0800" }, "message": "[PATCH] schedule_timeout(): improve warning message\n\nKyle is hitting this warning, and we don\u0027t have a clue what it\u0027s caused by.\nAdd the obligatory dump_stack().\n\nCc: kyle \u003ckylewong@southa.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "cd7175edf963a92b2c3cd491d3e34afd357e7284", "tree": "72c0445ef456f005e26d04568b5a07e8ed95e084", "parents": [ "f988443a84528bd30c2f474efa5e2c511959f19b" ], "author": { "name": "Eric Dumazet", "email": "dada1@cosmosbay.com", "time": "Wed Dec 13 00:35:45 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.osdl.org", "time": "Wed Dec 13 09:05:55 2006 -0800" }, "message": "[PATCH] Optimize calc_load()\n\ncalc_load() is called by timer interrupt to update avenrun[]. It currently\ncalls nr_active() at each timer tick (HZ per second), while the update of\navenrun[] is done only once every 5 seconds. (LOAD_FREQ\u003d5 Hz)\n\nnr_active() is quite expensive on SMP machines, since it has to sum up\nnr_running and nr_uninterruptible of all online CPUS, bringing foreign\ndirty cache lines.\n\nThis patch is an optimization of calc_load() so that nr_active() is called\nonly if we need it.\n\nThe use of unlikely() is welcome since the condition is true only once every\n5*HZ time.\n\nSigned-off-by: Eric Dumazet \u003cdada1@cosmosbay.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nAcked-by: \"Siddha, Suresh B\" \u003csuresh.b.siddha@intel.com\u003e\nCc: Nick Piggin \u003cnickpiggin@yahoo.com.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "f5f1a24a2caa299bb7d294aee92d7dd3410d9ed7", "tree": "499a2687c2e29733974d1721d238c561078b46c5", "parents": [ "2b0137001de68153203dd3bc20e6d27eb7c9719c" ], "author": { "name": "Daniel Walker", "email": "dwalker@mvista.com", "time": "Sun Dec 10 02:21:33 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.osdl.org", "time": "Sun Dec 10 09:57:22 2006 -0800" }, "message": "[PATCH] clocksource: small cleanup\n\nMostly changing alignment. Just some general cleanup.\n\n[akpm@osdl.org: build fix]\nSigned-off-by: Daniel Walker \u003cdwalker@mvista.com\u003e\nAcked-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "4c36a5dec25fb344ad76b11860da3a8b50bd1248", "tree": "facfe4ad3bb3638d8ee6f6b3e7fc75a0a02e304a", "parents": [ "5466b456ed6748e0bfe02831e570004d4c04c1d7" ], "author": { "name": "Arjan van de Ven", "email": "arjan@linux.intel.com", "time": "Sun Dec 10 02:21:24 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.osdl.org", "time": "Sun Dec 10 09:57:22 2006 -0800" }, "message": "[PATCH] round_jiffies infrastructure\n\nIntroduce a round_jiffies() function as well as a round_jiffies_relative()\nfunction. These functions round a jiffies value to the next whole second.\nThe primary purpose of this rounding is to cause all \"we don\u0027t care exactly\nwhen\" timers to happen at the same jiffy.\n\nThis avoids multiple timers firing within the second for no real reason;\nwith dynamic ticks these extra timers cause wakeups from deep sleep CPU\nsleep states and thus waste power.\n\nThe exact wakeup moment is skewed by the cpu number, to avoid all cpus from\nwaking up at the exact same time (and hitting the same lock/cachelines\nthere)\n\n[akpm@osdl.org: fix variable type]\nSigned-off-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "8ef386092d7c2891bd7acefb2a87f878f7e9a0d6", "tree": "b149f0c63f9b9bb3f43e82097f1ae5972662288f", "parents": [ "70bc42f90a3f4721c89dbe865e6c95da8565b41c" ], "author": { "name": "Atsushi Nemoto", "email": "anemo@mba.ocn.ne.jp", "time": "Sat Sep 30 23:28:31 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 01 00:39:27 2006 -0700" }, "message": "[PATCH] kill wall_jiffies\n\nWith 2.6.18-rc4-mm2, now wall_jiffies will always be the same as jiffies.\nSo we can kill wall_jiffies completely.\n\nThis is just a cleanup and logically should not change any real behavior\nexcept for one thing: RTC updating code in (old) ppc and xtensa use a\ncondition \"jiffies - wall_jiffies \u003d\u003d 1\". This condition is never met so I\nsuppose it is just a bug. I just remove that condition only instead of\nkill the whole \"if\" block.\n\n[heiko.carstens@de.ibm.com: s390 build fix and cleanup]\nSigned-off-by: Atsushi Nemoto \u003canemo@mba.ocn.ne.jp\u003e\nCc: Andi Kleen \u003cak@muc.de\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\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: Mikael Starvik \u003cstarvik@axis.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Yoshinori Sato \u003cysato@users.sourceforge.jp\u003e\nCc: Hirokazu Takata \u003ctakata.hirokazu@renesas.com\u003e\nCc: Ralf Baechle \u003cralf@linux-mips.org\u003e\nCc: Kyle McMartin \u003ckyle@mcmartin.ca\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: Chris Zankel \u003cchris@zankel.net\u003e\nCc: \"Luck, Tony\" \u003ctony.luck@intel.com\u003e\nCc: Geert Uytterhoeven \u003cgeert@linux-m68k.org\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "8f807f8d2137ba728d22820103131038639b68a9", "tree": "cea8d4eedbffc17ea9a01808afacb0e02dbbe206", "parents": [ "3d3675cc3d04d7fd4bb11e8c1ea79e5ade4f5e44" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Sat Sep 30 23:28:25 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 01 00:39:26 2006 -0700" }, "message": "[PATCH] ntp: add time_adjust to tick length\n\nThis folds update_ntp_one_tick() into second_overflow() and adds time_adjust\nto the tick length, this makes time_next_adjust unnecessary. This slightly\nchanges the adjtime() behaviour, instead of applying it to the next tick, it\u0027s\napplied to the next second.\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "b0ee75561beadc4db4d9a899c8ef4a7db50aa0ab", "tree": "e50354c74ce17f6ea78dc1d7fac608788de517f3", "parents": [ "4c7ee8de956fc250fe31e2fa91f6da980fabe317" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Sat Sep 30 23:28:22 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 01 00:39:26 2006 -0700" }, "message": "[PATCH] ntp: add ntp_update_frequency\n\nThis introduces ntp_update_frequency() and deinlines ntp_clear() (as it\u0027s not\nperformance critical). ntp_update_frequency() calculates the base tick length\nusing tick_usec and adds a base adjustment, in case the frequency doesn\u0027t\ndivide evenly by HZ.\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "4c7ee8de956fc250fe31e2fa91f6da980fabe317", "tree": "e2d7c207a7ca9f785c256513686f6d7f7234ef93", "parents": [ "c902e0a0102f1095eec4b3511c13c84ca2bc4577" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Sat Sep 30 23:28:22 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 01 00:39:26 2006 -0700" }, "message": "[PATCH] NTP: Move all the NTP related code to ntp.c\n\nMove all the NTP related code to ntp.c\n\n[akpm@osdl.org: cleanups, build fix]\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "3171a0305d62e6627a24bff35af4f997e4988a80", "tree": "5cf70462490528523172927c75f47970faa46ce9", "parents": [ "27d91e07f9b863fa94491ffafe250580f0c2ce78" ], "author": { "name": "Atsushi Nemoto", "email": "anemo@mba.ocn.ne.jp", "time": "Fri Sep 29 02:00:32 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Sep 29 09:18:15 2006 -0700" }, "message": "[PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)\n\nPass ticks to do_timer() and update_times(), and adjust x86_64 and s390\ntimer interrupt handler with this change.\n\nCurrently update_times() calculates ticks by \"jiffies - wall_jiffies\", but\ncallers of do_timer() should know how many ticks to update. Passing ticks\nget rid of this redundant calculation. Also there are another redundancy\npointed out by Martin Schwidefsky.\n\nThis cleanup make a barrier added by\n5aee405c662ca644980c184774277fc6d0769a84 needless. So this patch removes\nit.\n\nAs a bonus, this cleanup make wall_jiffies can be removed easily, since now\nwall_jiffies is always synced with jiffies. (This patch does not really\nremove wall_jiffies. It would be another cleanup patch)\n\nSigned-off-by: Atsushi Nemoto \u003canemo@mba.ocn.ne.jp\u003e\nCc: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Andi Kleen \u003cak@muc.de\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Richard Henderson \u003crth@twiddle.net\u003e\nCc: Ivan Kokshaysky \u003cink@jurassic.park.msu.ru\u003e\nAcked-by: Russell King \u003crmk@arm.linux.org.uk\u003e\nCc: Ian Molton \u003cspyro@f2s.com\u003e\nCc: Mikael Starvik \u003cstarvik@axis.com\u003e\nAcked-by: David Howells \u003cdhowells@redhat.com\u003e\nCc: Yoshinori Sato \u003cysato@users.sourceforge.jp\u003e\nCc: Hirokazu Takata \u003ctakata.hirokazu@renesas.com\u003e\nAcked-by: Ralf Baechle \u003cralf@linux-mips.org\u003e\nCc: Kyle McMartin \u003ckyle@mcmartin.ca\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: Chris Zankel \u003cchris@zankel.net\u003e\nAcked-by: \"Luck, Tony\" \u003ctony.luck@intel.com\u003e\nCc: Geert Uytterhoeven \u003cgeert@linux-m68k.org\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "07dccf3344010f9b9df7fe725da7e73bca2992df", "tree": "696730ef4e1bf85a24eac84713921746f74c7c10", "parents": [ "6c2d8b5dcad468cb0bdec3368b53383bde51e487" ], "author": { "name": "Akinobu Mita", "email": "mita@miraclelinux.com", "time": "Fri Sep 29 02:00:22 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Sep 29 09:18:14 2006 -0700" }, "message": "[PATCH] check return value of cpu_callback\n\nSpawing ksoftirqd, migration, or watchdog, and calling init_timers_cpu()\nmay fail with small memory. If it happens in initcalls, kernel NULL\npointer dereference happens later. This patch makes crash happen\nimmediately in such cases. It seems a bit better than getting kernel NULL\npointer dereference later.\n\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Akinobu Mita \u003cmita@miraclelinux.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "2aae4a108dab8b8bc92270335f6e4b5c146b32ae", "tree": "e1bc601a3575d1ea25947564bcaf7abbe08b9d69", "parents": [ "d7ff0dbf45ee8a7c4802ff46844e6e8167b7f360" ], "author": { "name": "Rolf Eike Beer", "email": "eike-kernel@sf-tec.de", "time": "Fri Sep 29 01:59:46 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Sep 29 09:18:10 2006 -0700" }, "message": "[PATCH] Fix kerneldoc comments in kernel/timer.c\n\nSome of the kerneldoc comments in this file are ignored since the lead-in\nis malformed, using either \"/*\" or \"/***\" instead of \"/**\".\n\n[rdunlap@xenotime.net: kerneldoc fixes]\nSigned-off-by: Rolf Eike Beer \u003ceike-kernel@sf-tec.de\u003e\nAcked-by: Alan Cox \u003calan@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "89e7e374dde1015d69d2d70797ae4053b14fa9db", "tree": "c6d819506caeec6680be88fccc4ed8e910a25ac9", "parents": [ "650a898342b3fa21c392c06a2b7010fa19823efa" ], "author": { "name": "Josh Triplett", "email": "josht@us.ibm.com", "time": "Fri Sep 29 01:59:36 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Sep 29 09:18:09 2006 -0700" }, "message": "[PATCH] timer: add lock annotation to lock_timer_base\n\nlock_timer_base acquires a lock and returns with that lock held. Add a\nlock annotation to this function so that sparse can check callers for lock\npairing, and so that sparse will not complain about this function since it\nintentionally uses the lock in this manner.\n\nSigned-off-by: Josh Triplett \u003cjosh@freedesktop.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "6997a6faaa129a1c91775f7344c8d371a05178ea", "tree": "d1dbf57afc7d561620ad1b192ae031fd234b085a", "parents": [ "012c437d03cb299814e58ac8d574f7510f5989a5" ], "author": { "name": "Kirill Korotaev", "email": "dev@sw.ru", "time": "Sun Aug 13 23:24:23 2006 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Aug 14 12:54:29 2006 -0700" }, "message": "[PATCH] sys_getppid oopses on debug kernel\n\nsys_getppid() optimization can access a freed memory. On kernels with\nDEBUG_SLAB turned ON, this results in Oops. As Dave Hansen noted, this\noptimization is also unsafe for memory hotplug.\n\nSo this patch always takes the lock to be safe.\n\n[oleg@tv-sign.ru: simplifications]\nSigned-off-by: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: \u003cstable@kernel.org\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "51d8c5edd3b166fcc51aba84d78761d578400a7c", "tree": "d3cf04b8fd2d7a5a2ba8c0957bd3dbe3839981f5", "parents": [ "bc65ac6a0ffc66c56d1e6893685d7fe87c63cc44" ], "author": { "name": "Josh Triplett", "email": "josht@us.ibm.com", "time": "Sun Jul 30 03:04:14 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 31 13:28:44 2006 -0700" }, "message": "[PATCH] timer: Fix tvec_bases initializer\n\nkernel/timer.c defines a (per-cpu) pointer to tvec_base_t, but initializes\nit using { \u0026a_tvec_base_t }, which sparse warns about; change this to just\n\u0026a_tvec_base_t.\n\nSigned-off-by: Josh Triplett \u003cjosh@freedesktop.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "6ea24f9ad18c65cc179593b5cc2a88cdadf8cc0c", "tree": "7a47cc8e18a6f25b4af0560282d8a0315f72241d", "parents": [ "be6b5a3505fa0cd54c3b5959a39293f47c648980" ], "author": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Sun Jul 30 03:03:38 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 31 13:28:40 2006 -0700" }, "message": "[PATCH] fix bad macro param in timer.c\n\nWe have\n\n#define INDEX(N) (base-\u003etimer_jiffies \u003e\u003e (TVR_BITS + N * TVN_BITS)) \u0026 TVN_MASK\n\nand it\u0027s used via\n\n\tlist \u003d varray[i + 1]-\u003evec + (INDEX(i + 1));\n\nSo, due to underparenthesisation, this INDEX(i+1) is now a ... (TVR_BITS + i\n+ 1 * TVN_BITS)) ...\n\nSo this bugfix changes behaviour. It worked before by sheer luck:\n\n \"If i was anything but 0, it was broken. But this was only used by\n s390 and arm. Since it was for the next interrupt, could that next\n interrupt be a problem (going into the second cascade)? But it was\n probably seldom wrong. That is, this would fail if the next\n interrupt was in the second cascade, and was wrapped. Which may\n never of happened. Also if it did happen, it would have just missed\n the interrupt.\n\n If an interrupt was missed, and no one was there to miss it, was it\n really missed :-)\"\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "8c78f3075dab4be279e283f901f00e33ce44890a", "tree": "034d667a713b24d39608b09bd2aafb7983fb6ba5", "parents": [ "cea6a4ba8acfba6f59cc9ed71e0d05cb770b9d9c" ], "author": { "name": "Chandra Seetharaman", "email": "sekharan@us.ibm.com", "time": "Sun Jul 30 03:03:35 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 31 13:28:39 2006 -0700" }, "message": "[PATCH] cpu hotplug: replace __devinit* with __cpuinit* for cpu notifications\n\nFew of the callback functions and notifier blocks that are associated with cpu\nnotifications incorrectly have __devinit and __devinitdata. They should be\n__cpuinit and __cpuinitdata instead.\n\nIt makes no functional difference but wastes text area when CONFIG_HOTPLUG is\nenabled and CONFIG_HOTPLUG_CPU is not.\n\nThis patch fixes all those instances.\n\nSigned-off-by: Chandra Seetharaman \u003csekharan@us.ibm.com\u003e\nCc: Ashok Raj \u003cashok.raj@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "3e143475c22036847f898d7e76ba337c1d7dbf6f", "tree": "4bbd8f322f6a1cd43be409393742967234d23151", "parents": [ "635adb6cd25c8f816c9017a0a0349cd389eafcd3" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Fri Jul 14 00:24:17 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jul 14 21:53:54 2006 -0700" }, "message": "[PATCH] improve timekeeping resume robustness\n\nResolve problems seen w/ APM suspend.\n\nDue to resume initialization ordering, its possible we could get a timer\ninterrupt before the timekeeping resume() function is called. This patch\nensures we don\u0027t do any timekeeping accounting before we\u0027re fully resumed.\n\n(akpm: fixes the machine-freezes-on-APM-resume bug)\n\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "a0009652af385a42f0e0604136f772ead406c78d", "tree": "166224a3c3239ae5f7bd07759dd70b9bb2d95e28", "parents": [ "52e92e5788139921352213fa6faf6e30ff1f2f5a" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Fri Jul 14 00:24:06 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jul 14 21:53:52 2006 -0700" }, "message": "[PATCH] del_timer_sync(): add cpu_relax()\n\nRelax the CPU in the del_timer_sync() busywait loop.\n\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "e154ff3d2c5ad313ef0c66e6217502361cad2799", "tree": "699be5e589775061d4279a7439ba5b2dc517078b", "parents": [ "32dd66fce3b0ad5857433433b795844cb397608e" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Mon Jul 10 04:44:32 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 10 13:24:18 2006 -0700" }, "message": "[PATCH] adjust clock for lost ticks\n\nA large number of lost ticks can cause an overadjustment of the clock. To\ncompensate for this we look at the current error and the larger the error\nalready is the more careful we are at adjusting the error. As small extra\nfix reset the error when the clock is set.\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\nAcked-by: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Uwe Bugla \u003cuwe.bugla@gmx.de\u003e\nCc: James Bottomley \u003cJames.Bottomley@SteelEye.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "36c8b586896f60cb91a4fd526233190b34316baf", "tree": "003246e1e676de33703daa979b3e3109ca202a89", "parents": [ "48f24c4da1ee7f3f22289cb85e8b8a73e4df4db5" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jul 03 00:25:41 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 03 15:27:11 2006 -0700" }, "message": "[PATCH] sched: cleanup, remove task_t, convert to struct task_struct\n\ncleanup: remove task_t and convert all the uses to struct task_struct. I\nintroduced it for the scheduler anno and it was a mistake.\n\nConversion was mostly scripted, the result was reviewed and all\nsecondary whitespace and style impact (if any) was fixed up by hand.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d730e882a15c38de02b63a063be636b2ff9e9ed1", "tree": "89e45dd870d7de3f50b487e87cf0ec1135f912dd", "parents": [ "06825ba3553151eea24206bc53d4fc3de49e0ab1" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jul 03 00:25:10 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 03 15:27:07 2006 -0700" }, "message": "[PATCH] lockdep: annotate timer base locks\n\nSplit the per-CPU timer base locks up into separate lock classes, because they\nare used recursively.\n\nHas no effect on non-lockdep kernels.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "e4d919188554a77c798a267e098059bc9aa39726", "tree": "bb5e47e09f5d107db44358ad668988f5ae768ade", "parents": [ "9cebb5526833059f327d237a032422c762378b2a" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jul 03 00:24:34 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 03 15:27:02 2006 -0700" }, "message": "[PATCH] lockdep: locking init debugging improvement\n\nLocking init improvement:\n\n - introduce and use __SPIN_LOCK_UNLOCKED for array initializations,\n to pass in the name string of locks, used by debugging\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "054cc8a2d808822dadf488a61729e3e550f114c4", "tree": "da7e5ecce06d1898263da9b47714b0b0fa972397", "parents": [ "9c7b216d23e820e0e148d5be01bbb5bd2d8378fe" ], "author": { "name": "Chandra Seetharaman", "email": "sekharan@us.ibm.com", "time": "Tue Jun 27 02:54:07 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Jun 27 17:32:41 2006 -0700" }, "message": "[PATCH] cpu hotplug: revert initdata patch submitted for 2.6.17\n\nThis patch reverts notifier_block changes made in 2.6.17\n\nSigned-off-by: Chandra Seetharaman \u003csekharan@us.ibm.com\u003e\nCc: Ashok Raj \u003cashok.raj@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "9c7b216d23e820e0e148d5be01bbb5bd2d8378fe", "tree": "53e6c1e4870db49b4999b4053862d3f63375773f", "parents": [ "6ac12dfe9c2027cd3c5ed603f11d1bb4f04906fe" ], "author": { "name": "Chandra Seetharaman", "email": "sekharan@us.ibm.com", "time": "Tue Jun 27 02:54:07 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Jun 27 17:32:40 2006 -0700" }, "message": "[PATCH] cpu hotplug: revert init patch submitted for 2.6.17\n\nIn 2.6.17, there was a problem with cpu_notifiers and XFS. I provided a\nband-aid solution to solve that problem. In the process, i undid all the\nchanges you both were making to ensure that these notifiers were available\nonly at init time (unless CONFIG_HOTPLUG_CPU is defined).\n\nWe deferred the real fix to 2.6.18. Here is a set of patches that fixes the\nXFS problem cleanly and makes the cpu notifiers available only at init time\n(unless CONFIG_HOTPLUG_CPU is defined).\n\nIf CONFIG_HOTPLUG_CPU is defined then cpu notifiers are available at run\ntime.\n\nThis patch reverts the notifier_call changes made in 2.6.17\n\nSigned-off-by: Chandra Seetharaman \u003csekharan@us.ibm.com\u003e\nCc: Ashok Raj \u003cashok.raj@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "19923c190e0932bf0ac1e1d06a48f5c3678dd0de", "tree": "2a32f5f16b3bbebd74c0f4910493c7f28a70fd84", "parents": [ "6415ce9a922a1446e7ee0ac9b016082232ebe373" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Mon Jun 26 00:25:18 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jun 26 09:58:21 2006 -0700" }, "message": "[PATCH] fix and optimize clock source update\n\nThis fixes the clock source updates in update_wall_time() to correctly\ntrack the time coming in via current_tick_length(). Optimize the fast\npaths to be as short as possible to keep the overhead low.\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\nAcked-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "a275254975a29c51929ee175b92ac471ac2a0043", "tree": "42ec41bf74c0c601f05ed12ff674539f4bf6f505", "parents": [ "5d0cf410e94b1f1ff852c3f210d22cc6c5a27ffa" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Mon Jun 26 00:25:14 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jun 26 09:58:21 2006 -0700" }, "message": "[PATCH] time: rename clocksource functions\n\nAs suggested by Roman Zippel, change clocksource functions to use\nclocksource_xyz rather then xyz_clocksource to avoid polluting the\nnamespace.\n\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Roman Zippel \u003czippel@linux-m68k.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "cf3c769b4b0dd1146da84d5cf045dcfe53bd0f13", "tree": "caeb91eff6538ed5910e673a40a9f2bd9a022afa", "parents": [ "5eb6d20533d14a432df714520939a6181e28f099" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Mon Jun 26 00:25:08 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jun 26 09:58:20 2006 -0700" }, "message": "[PATCH] Time: Introduce arch generic time accessors\n\nIntroduces clocksource switching code and the arch generic time accessor\nfunctions that use the clocksource infrastructure.\n\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "5eb6d20533d14a432df714520939a6181e28f099", "tree": "b032147620a8e213356658783f8037d2f5623b57", "parents": [ "260a42309b31cbc54eb4b6b85649e412bcad053f" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Mon Jun 26 00:25:07 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jun 26 09:58:20 2006 -0700" }, "message": "[PATCH] Time: Use clocksource abstraction for NTP adjustments\n\nInstead of incrementing xtime by tick_nsec + ntp adjustments, use the\nclocksource abstraction to increment and scale time. Using the clocksource\nabstraction allows other clocksources to be used consistently in the face of\nlate or lost ticks, while preserving the existing behavior via the jiffies\nclocksource.\n\nThis removes the need to keep time_phase adjustments as we just use the\ncurrent_tick_length() function as the NTP interface and accumulate time using\nshifted nanoseconds.\n\nThe basics of this design was by Roman Zippel, however it is my own\ninterpretation and implementation, so the credit should go to him and the\nblame to me.\n\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "260a42309b31cbc54eb4b6b85649e412bcad053f", "tree": "51efc7bb51075b0d25d0e8465d3c056e6a57fe16", "parents": [ "ad596171ed635c51a9eef829187af100cbf8dcf7" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Mon Jun 26 00:25:07 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jun 26 09:58:20 2006 -0700" }, "message": "[PATCH] Time: Let user request precision from current_tick_length()\n\nChange the current_tick_length() function so it takes an argument which\nspecifies how much precision to return in shifted nanoseconds. This provides\na simple way to convert between NTPs internal nanoseconds shifted by\n(SHIFT_SCALE - 10) to other shifted nanosecond units that are used by the\nclocksource abstraction.\n\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ad596171ed635c51a9eef829187af100cbf8dcf7", "tree": "24b19bec1b1abd8bd110064226569aa42dde0b3b", "parents": [ "734efb467b31e56c2f9430590a9aa867ecf3eea1" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Mon Jun 26 00:25:06 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jun 26 09:58:20 2006 -0700" }, "message": "[PATCH] Time: Use clocksource infrastructure for update_wall_time\n\nModify the update_wall_time function so it increments time using the\nclocksource abstraction instead of jiffies. Since the only clocksource driver\ncurrently provided is the jiffies clocksource, this should result in no\nfunctional change. Additionally, a timekeeping_init and timekeeping_resume\nfunction has been added to initialize and maintain some of the new timekeping\nstate.\n\n[hirofumi@mail.parknet.co.jp: fixlet]\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: OGAWA Hirofumi \u003chirofumi@mail.parknet.co.jp\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "bfe5d834195b3089b8846577311340376cc0f450", "tree": "52470de0fe87ff8372700e3472735cd5c14cee9d", "parents": [ "6ceab8a936c302c0cea2bfe55617c76e2f5746fa" ], "author": { "name": "Paul Mackerras", "email": "paulus@samba.org", "time": "Sun Jun 25 05:47:14 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Jun 25 10:01:01 2006 -0700" }, "message": "[PATCH] Define __raw_get_cpu_var and use it\n\nThere are several instances of per_cpu(foo, raw_smp_processor_id()), which\nis semantically equivalent to __get_cpu_var(foo) but without the warning\nthat smp_processor_id() can give if CONFIG_DEBUG_PREEMPT is enabled. For\nthose architectures with optimized per-cpu implementations, namely ia64,\npowerpc, s390, sparc64 and x86_64, per_cpu() turns into more and slower\ncode than __get_cpu_var(), so it would be preferable to use __get_cpu_var\non those platforms.\n\nThis defines a __raw_get_cpu_var(x) macro which turns into per_cpu(x,\nraw_smp_processor_id()) on architectures that use the generic per-cpu\nimplementation, and turns into __get_cpu_var(x) on the architectures that\nhave an optimized per-cpu implementation.\n\nSigned-off-by: Paul Mackerras \u003cpaulus@samba.org\u003e\nAcked-by: David S. Miller \u003cdavem@davemloft.net\u003e\nAcked-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nAcked-by: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "3439dd86e34580384d3b58cf8d54a9283cd7a342", "tree": "b421244c25d96e83a744576ad543587339e581fb", "parents": [ "626ab0e69d376fa07599af669af8ba92d58e87c1" ], "author": { "name": "Porpoise", "email": "porpoise.chiang@gmail.com", "time": "Fri Jun 23 02:05:56 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jun 23 07:43:08 2006 -0700" }, "message": "[PATCH] When CONFIG_BASE_SMALL\u003d1, cascade() may enter an infinite loop\n\nWhen CONFIG_BASE_SAMLL\u003d1, cascade() in may enter the infinite loop.\nBecause of CONFIG_BASE_SMALL\u003d1(TVR_BITS\u003d6 and TVN_BITS\u003d4), the list\nbase-\u003etv5 may cascade into base-\u003etv5. So, the kernel enters the infinite\nloop in the function cascade().\n\nI created a test module to verify this bug, and a patch to fix it.\n\n#include \u003clinux/kernel.h\u003e\n#include \u003clinux/module.h\u003e\n#include \u003clinux/init.h\u003e\n#include \u003clinux/timer.h\u003e\n#if 0\n#include \u003clinux/kdb.h\u003e\n#else\n#define kdb_printf printk\n#endif\n\n#define TVN_BITS (CONFIG_BASE_SMALL ? 4 : 6)\n#define TVR_BITS (CONFIG_BASE_SMALL ? 6 : 8)\n#define TVN_SIZE (1 \u003c\u003c TVN_BITS)\n#define TVR_SIZE (1 \u003c\u003c TVR_BITS)\n#define TVN_MASK (TVN_SIZE - 1)\n#define TVR_MASK (TVR_SIZE - 1)\n\n#define TV_SIZE(N) (N*TVN_BITS + TVR_BITS)\n\nstruct timer_list timer0;\nstruct timer_list dummy_timer1;\nstruct timer_list dummy_timer2;\n\nvoid dummy_timer_fun(unsigned long data) {\n}\nunsigned long j\u003d0;\nvoid check_timer_base(unsigned long data)\n{\n kdb_printf(\"check_timer_base %08x\\n\",jiffies);\n mod_timer(\u0026timer0,(jiffies \u0026 (~0xFFF)) + 0x1FFF);\n}\n\nint init_module(void)\n{\n init_timer(\u0026timer0);\n timer0.data \u003d (unsigned long)0;\n timer0.function \u003d check_timer_base;\n mod_timer(\u0026timer0,jiffies+1);\n\n init_timer(\u0026dummy_timer1);\n dummy_timer1.data \u003d (unsigned long)0;\n dummy_timer1.function \u003d dummy_timer_fun;\n\n init_timer(\u0026dummy_timer2);\n dummy_timer2.data \u003d (unsigned long)0;\n dummy_timer2.function \u003d dummy_timer_fun;\n\n j\u003djiffies;\n j\u0026\u003d(~((1\u003c\u003cTV_SIZE(3))-1));\n j+\u003d(1\u003c\u003cTV_SIZE(3));\n j+\u003d(1\u003c\u003cTV_SIZE(4));\n\n kdb_printf(\"mod_timer %08x\\n\",j);\n\n mod_timer(\u0026dummy_timer1, j );\n mod_timer(\u0026dummy_timer2, j );\n\n return 0;\n}\n\nvoid cleanup_module()\n{\n del_timer_sync(\u0026timer0);\n del_timer_sync(\u0026dummy_timer1);\n del_timer_sync(\u0026dummy_timer2);\n}\n\n(Cleanups from Oleg)\n\n[oleg@tv-sign.ru: use list_replace_init()]\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Matt Mackall \u003cmpm@selenic.com\u003e\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "626ab0e69d376fa07599af669af8ba92d58e87c1", "tree": "a995e0231e61fab63568bc7bade81dc20c1dae09", "parents": [ "54e73770357142e297c916c7865f5fca7499f69c" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Fri Jun 23 02:05:55 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jun 23 07:43:07 2006 -0700" }, "message": "[PATCH] list: use list_replace_init() instead of list_splice_init()\n\nlist_splice_init(list, head) does unneeded job if it is known that\nlist_empty(head) \u003d\u003d 1. We can use list_replace_init() instead.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nAcked-by: David S. Miller \u003cdavem@davemloft.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "0662b71322e211dba9a4bc0e6fbca7861a2b5a7d", "tree": "bffce074929b6a36b7b1e00a485df7a5fe95cc22", "parents": [ "8b1ea24c6cc529f6860c458b1c0872f22e74c950" ], "author": { "name": "Zachary Amsden", "email": "zach@vmware.com", "time": "Sat May 20 15:00:24 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun May 21 12:59:21 2006 -0700" }, "message": "[PATCH] Fix a NO_IDLE_HZ timer bug\n\nUnder certain timing conditions, a race during boot occurs where timer\nticks are being processed on remote CPUs. The remote timer ticks can\nincrement jiffies, and if this happens during a window when a timeout is\nvery close to expiring but a local tick has not yet been delivered, you can\nend up with\n\n1) No softirq pending\n2) A local timer wheel which is not synced to jiffies\n3) No high resolution timer active\n4) A local timer which is supposed to fire before the current jiffies value.\n\nIn this circumstance, the comparison in next_timer_interrupt overflows,\nbecause the base of the comparison for high resolution timers is jiffies,\nbut for the softirq timer wheel, it is relative the the current base of the\nwheel (jiffies_base).\n\nSigned-off-by: Zachary Amsden \u003czach@vmware.com\u003e\nCc: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "83d722f7e198b034699b1500d98729beff930efd", "tree": "7d790a2fd62165373ec7bacde704837288e0bec3", "parents": [ "649bbaa484bcdce94f40a1b97a6a2ded0549e8a2" ], "author": { "name": "Chandra Seetharaman", "email": "sekharan@us.ibm.com", "time": "Mon Apr 24 19:35:21 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Apr 26 08:30:03 2006 -0700" }, "message": "[PATCH] Remove __devinit and __cpuinit from notifier_call definitions\n\nFew of the notifier_chain_register() callers use __init in the definition\nof notifier_call. It is incorrect as the function definition should be\navailable after the initializations (they do not unregister them during\ninitializations).\n\nThis patch fixes all such usages to _not_ have the notifier_call __init\nsection.\n\nSigned-off-by: Chandra Seetharaman \u003csekharan@us.ibm.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "649bbaa484bcdce94f40a1b97a6a2ded0549e8a2", "tree": "f24f05bf95ae9c4164266da87f36fed61c5c2206", "parents": [ "e7edf9cdeddc0cff125e8e658216efb2ff2b2219" ], "author": { "name": "Chandra Seetharaman", "email": "sekharan@us.ibm.com", "time": "Mon Apr 24 19:35:15 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Apr 26 08:27:50 2006 -0700" }, "message": "[PATCH] Remove __devinitdata from notifier block definitions\n\nFew of the notifier_chain_register() callers use __devinitdata in the\ndefinition of notifier_block data structure. It is incorrect as the\ndata structure should be available after the initializations (they do\nnot unregister them during initializations).\n\nThis was leading to an oops when notifier_chain_register() call is\ninvoked for those callback chains after initialization.\n\nThis patch fixes all such usages to _not_ have the notifier_block data\nstructure in the init data section.\n\nSigned-off-by: Chandra Seetharaman \u003csekharan@us.ibm.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ba6edfcd1708da2e665f14eee76e87f39448ec40", "tree": "68aaebb5d97c31712567fb459dcd34343a514b78", "parents": [ "5246d0503130fa58904c8beb987fcf93b96d8ab6" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Mon Apr 10 22:53:58 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Apr 11 06:18:40 2006 -0700" }, "message": "[PATCH] timer initialisation fix\n\nWe need the boot CPU\u0027s tvec_bases[] entry to be initialised super-early in\nboot, for early_serial_setup(). That runs within setup_arch(), before even\nper-cpu areas are initialised.\n\nThe patch changes tvec_bases to use compile-time initialisation, and adds a\nseparate array `tvec_base_done\u0027 to keep track of which CPU has had its\ntvec_bases[] entry initialised (because we can no longer use the zeroness of\nthat tvec_bases[] entry to determine whether it has been initialised).\n\nThanks to Eugene Surovegin \u003cebs@ebshome.net\u003e for diagnosing this.\n\nCc: Eugene Surovegin \u003cebs@ebshome.net\u003e\nCc: Jan Beulich \u003cjbeulich@novell.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "b20367a6c2a0cd937cb1f0a8cf848f1402fef99c", "tree": "8624096baed40f8f89e757b2d170a7b4d1844575", "parents": [ "49c93e84d8b2d602a07c302c7e3cd4fa09095fbb" ], "author": { "name": "Jordan Hargrave", "email": "jordan_hargrave@dell.com", "time": "Fri Apr 07 19:50:18 2006 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Apr 09 11:53:53 2006 -0700" }, "message": "[PATCH] x86_64: Fix drift with HPET timer enabled\n\nIf the HPET timer is enabled, the clock can drift by ~3 seconds a day.\nThis is due to the HPET timer not being initialized with the correct\nsetting (still using PIT count).\n\nIf HZ changes, this drift can become even more pronounced.\n\nHPET patch initializes tick_nsec with correct tick_nsec settings for\nHPET timer.\n\nVojtech comments:\n\n \"It\u0027s not entirely correct (it assumes the HPET ticks totally\n exactly), but it\u0027s significantly better than assuming the PIT error\n there.\"\n\nSigned-off-by: Andi Kleen \u003cak@suse.de\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "9f31252cb61d5bc641cdef8a069a2ca5a77855f2", "tree": "b341ce067a5620a4a9650429ce64262888cd43a2", "parents": [ "fda8bd78a15950b9b01a1c1477a9095cb08c27c1" ], "author": { "name": "Eric Sesterhenn", "email": "snakebyte@gmx.de", "time": "Sun Apr 02 13:45:55 2006 +0200" }, "committer": { "name": "Adrian Bunk", "email": "bunk@stusta.de", "time": "Sun Apr 02 13:45:55 2006 +0200" }, "message": "BUG_ON() Conversion in kernel/signal.c\n\nthis changes if() BUG(); constructs to BUG_ON() which is\ncleaner, contains unlikely() and can better optimized away.\n\nSigned-off-by: Eric Sesterhenn \u003csnakebyte@gmx.de\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\n" }, { "commit": "db1b1fefc2cecbff2e4214062fa8c680cb6e7b7d", "tree": "ad8e68882f7c36216e16ab264101c5da96ccd5c9", "parents": [ "3055addadbe9bfb2365006a1c13fd342a8d30d52" ], "author": { "name": "Jack Steiner", "email": "steiner@sgi.com", "time": "Fri Mar 31 02:31:21 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 31 12:18:58 2006 -0800" }, "message": "[PATCH] sched: reduce overhead of calc_load\n\nCurrently, count_active_tasks() calls both nr_running() \u0026\nnr_interruptible(). Each of these functions does a \"for_each_cpu\" \u0026 reads\nvalues from the runqueue of each cpu. Although this is not a lot of\ninstructions, each runqueue may be located on different node. Depending on\nthe architecture, a unique TLB entry may be required to access each\nrunqueue.\n\nSince there may be more runqueues than cpu TLB entries, a scan of all\nrunqueues can trash the TLB. Each memory reference incurs a TLB miss \u0026\nrefill.\n\nIn addition, the runqueue cacheline that contains nr_running \u0026\nnr_uninterruptible may be evicted from the cache between the two passes.\nThis causes unnecessary cache misses.\n\nCombining nr_running() \u0026 nr_interruptible() into a single function\nsubstantially reduces the TLB \u0026 cache misses on large systems. This should\nhave no measureable effect on smaller systems.\n\nOn a 128p IA64 system running a memory stress workload, the new function\nreduced the overhead of calc_load() from 605 usec/call to 324 usec/call.\n\nSigned-off-by: Jack Steiner \u003csteiner@sgi.com\u003e\nAcked-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "a2c348fe0117adced11e374329a5ea3f7c43cb41", "tree": "95233412196f8093e2e82437afeeadd2e479040c", "parents": [ "3691c5199e8a4be1c7a91b5ab925db5feb866e19" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Fri Mar 31 02:30:31 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 31 12:18:53 2006 -0800" }, "message": "[PATCH] __mod_timer: simplify -\u003ebase changing\n\nSince base and new_base are of the same type now, we can save one \u0027if\u0027\nbranch and simplify the code a bit.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nAcked-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "3691c5199e8a4be1c7a91b5ab925db5feb866e19", "tree": "025210545818b080df13faa31c9266432579794c", "parents": [ "5ce29646ebe352587e3b3160d599010c5da1b9dd" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Fri Mar 31 02:30:30 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 31 12:18:52 2006 -0800" }, "message": "[PATCH] kill __init_timer_base in favor of boot_tvec_bases\n\nCommit a4a6198b80cf82eb8160603c98da218d1bd5e104:\n\t[PATCH] tvec_bases too large for per-cpu data\n\nintroduced \"struct tvec_t_base_s boot_tvec_bases\" which is visible at\ncompile time. This means we can kill __init_timer_base and move\ntimer_base_s\u0027s content into tvec_t_base_s.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "5ddcfa878d5b10b0ab94251a4229a8a9daaf93ed", "tree": "b24bbd7ccb1a8accb0bc2e6f8c0d3b92f0bf66ea", "parents": [ "e4294b3ecd1da9abeb66709c89f71b1ba888b3b1" ], "author": { "name": "Roman Zippel", "email": "zippel@linux-m68k.org", "time": "Sat Mar 25 03:08:28 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Mar 25 08:23:02 2006 -0800" }, "message": "[PATCH] remove pps support\n\nThis removes the support for pps. It\u0027s completely unused within the kernel\nand is basically in the way for further cleanups. It should be easier to\nreadd proper support for it after the rest has been converted to NTP4\n(where the pps mechanisms are quite different from NTP3 anyway).\n\nSigned-off-by: Roman Zippel \u003czippel@linux-m68k.org\u003e\nCc: Adrian Bunk \u003cbunk@stusta.de\u003e\nCc: john stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "c08b8a49100715b20e6f7c997e992428b5e06078", "tree": "014758fb05908a3d49eeadc77f16dfa7585b12ac", "parents": [ "185ae6d7a32721e9062030a9f2d24ed714fa45df" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Sat Mar 25 03:06:33 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Mar 25 08:22:48 2006 -0800" }, "message": "[PATCH] sys_alarm() unsigned signed conversion fixup\n\nalarm() calls the kernel with an unsigend int timeout in seconds. The\nvalue is stored in the tv_sec field of a struct timeval to setup the\nitimer. The tv_sec field of struct timeval is of type long, which causes\nthe tv_sec value to be negative on 32 bit machines if seconds \u003e INT_MAX.\n\nBefore the hrtimer merge (pre 2.6.16) such a negative value was converted\nto the maximum jiffies timeout by the timeval_to_jiffies conversion. It\u0027s\nnot clear whether this was intended or just happened to be done by the\ntimeval_to_jiffies code.\n\nhrtimers expect a timeval in canonical form and treat a negative timeout as\nalready expired. This breaks the legitimate usage of alarm() with a\ntimeout value \u003e INT_MAX seconds.\n\nFor 32 bit machines it is therefor necessary to limit the internal seconds\nvalue to avoid API breakage. Instead of doing this in all implementations\nof sys_alarm the duplicated sys_alarm code is moved into a common function\nin itimer.c\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "6687a97d4041f996f725902d2990e5de6ef5cbe5", "tree": "6ab982091cde7179d94cf592f9c669fd22d93a23", "parents": [ "6a4d11c2abc57ed7ca42041e5f68ae4f7f640a81" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Mar 24 03:18:41 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 24 07:33:30 2006 -0800" }, "message": "[PATCH] timer-irq-driven soft-watchdog, cleanups\n\nMake the softlockup detector purely timer-interrupt driven, removing\nsoftirq-context (timer) dependencies. This means that if the softlockup\nwatchdog triggers, it has truly observed a longer than 10 seconds\nscheduling delay of a SCHED_FIFO prio 99 task.\n\n(the patch also turns off the softlockup detector during the initial bootup\nphase and does small style fixes)\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "a4a6198b80cf82eb8160603c98da218d1bd5e104", "tree": "8c59e9088840b6b95e46c00ddda4fd7a134154c2", "parents": [ "c98d8cfbc600af88e9e6cffc84dd342280445760" ], "author": { "name": "Jan Beulich", "email": "jbeulich@novell.com", "time": "Fri Mar 24 03:15:54 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 24 07:33:21 2006 -0800" }, "message": "[PATCH] tvec_bases too large for per-cpu data\n\nWith internal Xen-enabled kernels we see the kernel\u0027s static per-cpu data\narea exceed the limit of 32k on x86-64, and even native x86-64 kernels get\nfairly close to that limit. I generally question whether it is reasonable\nto have data structures several kb in size allocated as per-cpu data when\nthe space there is rather limited.\n\nThe biggest arch-independent consumer is tvec_bases (over 4k on 32-bit\narchs, over 8k on 64-bit ones), which now gets converted to use dynamically\nallocated memory instead.\n\nSigned-off-by: Jan Beulich \u003cjbeulich@novell.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" } ], "next": "67890d7084085e29c51afa2514036d42643fd3cf" }