)]}' { "log": [ { "commit": "082b63ae45e7d14e15995dedd782ec7344596fb2", "tree": "b5e52149ecd6ac4a8951abbcf4bef5101bc60479", "parents": [ "99e97b860e14c64760855198e91d1166697131a7", "50fa610a3b6ba7cf91d7a92229177dfaff2b81a1" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:48:53 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:48:53 2009 -0700" }, "message": "Merge branch \u0027sched-docs-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027sched-docs-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n sched: Document memory barriers implied by sleep/wake-up primitives\n" }, { "commit": "99e97b860e14c64760855198e91d1166697131a7", "tree": "fadc8368c3f784bff92fba82d983e7861559cf9d", "parents": [ "82782ca77d1bfb32b0334cce40a25b91bd8ec016", "f04d82b7e0c63d0251f9952a537a4bc4d73aa1a9" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:32:59 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:32:59 2009 -0700" }, "message": "Merge branch \u0027sched-core-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027sched-core-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n sched: fix typo in sched-rt-group.txt file\n ftrace: fix typo about map of kernel priority in ftrace.txt file.\n sched: properly define the sched_group::cpumask and sched_domain::span fields\n sched, timers: cleanup avenrun users\n sched, timers: move calc_load() to scheduler\n sched: Don\u0027t export sched_mc_power_savings on multi-socket single core system\n sched: emit thread info flags with stack trace\n sched: rt: document the risk of small values in the bandwidth settings\n sched: Replace first_cpu() with cpumask_first() in ILB nomination code\n sched: remove extra call overhead for schedule()\n sched: use group_first_cpu() instead of cpumask_first(sched_group_cpus())\n wait: don\u0027t use __wake_up_common()\n sched: Nominate a power-efficient ilb in select_nohz_balancer()\n sched: Nominate idle load balancer from a semi-idle package.\n sched: remove redundant hierarchy walk in check_preempt_wakeup\n" }, { "commit": "82782ca77d1bfb32b0334cce40a25b91bd8ec016", "tree": "d8c73212af80ed9aa314612e2b8b9e6cf74c47f7", "parents": [ "f0d5e12bd42b7173ebbbf59279c867605f859814", "6799687a53a28536fd027ccb644833f66a778925" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:30:41 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:30:41 2009 -0700" }, "message": "Merge branch \u0027x86-kbuild-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027x86-kbuild-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (46 commits)\n x86, boot: add new generated files to the appropriate .gitignore files\n x86, boot: correct the calculation of ZO_INIT_SIZE\n x86-64: align __PHYSICAL_START, remove __KERNEL_ALIGN\n x86, boot: correct sanity checks in boot/compressed/misc.c\n x86: add extension fields for bootloader type and version\n x86, defconfig: update kernel position parameters\n x86, defconfig: update to current, no material changes\n x86: make CONFIG_RELOCATABLE the default\n x86: default CONFIG_PHYSICAL_START and CONFIG_PHYSICAL_ALIGN to 16 MB\n x86: document new bzImage fields\n x86, boot: make kernel_alignment adjustable; new bzImage fields\n x86, boot: remove dead code from boot/compressed/head_*.S\n x86, boot: use LOAD_PHYSICAL_ADDR on 64 bits\n x86, boot: make symbols from the main vmlinux available\n x86, boot: determine compressed code offset at compile time\n x86, boot: use appropriate rep string for move and clear\n x86, boot: zero EFLAGS on 32 bits\n x86, boot: set up the decompression stack as early as possible\n x86, boot: straighten out ranges to copy/zero in compressed/head*.S\n x86, boot: stylistic cleanups for boot/compressed/head_64.S\n ...\n\nFixed trivial conflict in arch/x86/configs/x86_64_defconfig manually\n" }, { "commit": "f0d5e12bd42b7173ebbbf59279c867605f859814", "tree": "f4018a726ecd2cf520afdf27210bfec1f3181718", "parents": [ "0fea615e526b4b7eff0363ee02d5753e5f924089", "103428e57be323c3c5545db8ad12667099bc6005" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:25:41 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jun 10 15:25:41 2009 -0700" }, "message": "Merge branch \u0027irq-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027irq-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (76 commits)\n x86, apic: Fix dummy apic read operation together with broken MP handling\n x86, apic: Restore irqs on fail paths\n x86: Print real IOAPIC version for x86-64\n x86: enable_update_mptable should be a macro\n sparseirq: Allow early irq_desc allocation\n x86, io-apic: Don\u0027t mark pin_programmed early\n x86, irq: don\u0027t call mp_config_acpi_gsi() if update_mptable is not enabled\n x86, irq: update_mptable needs pci_routeirq\n x86: don\u0027t call read_apic_id if !cpu_has_apic\n x86, apic: introduce io_apic_irq_attr\n x86/pci: add 4 more return parameters to IO_APIC_get_PCI_irq_vector(), fix\n x86: read apic ID in the !acpi_lapic case\n x86: apic: Fixmap apic address even if apic disabled\n x86: display extended apic registers with print_local_APIC and cpu_debug code\n x86: read apic ID in the !acpi_lapic case\n x86: clean up and fix setup_clear/force_cpu_cap handling\n x86: apic: Check rev 3 fadt correctly for physical_apic bit\n x86/pci: update pirq_enable_irq() to setup io apic routing\n x86/acpi: move setup io apic routing out of CONFIG_ACPI scope\n x86/pci: add 4 more return parameters to IO_APIC_get_PCI_irq_vector()\n ...\n" }, { "commit": "eaa958402ea40851097d051f52ba1bb7a885efe9", "tree": "9187f59ff0ee6ac138b5c81a2212bc10f46d04a5", "parents": [ "0281b5dc0350cbf6dd21ed558a33cccce77abc02" ], "author": { "name": "Yinghai Lu", "email": "yinghai@kernel.org", "time": "Sat Jun 06 14:51:36 2009 -0700" }, "committer": { "name": "Rusty Russell", "email": "rusty@rustcorp.com.au", "time": "Tue Jun 09 22:30:27 2009 +0930" }, "message": "cpumask: alloc zeroed cpumask for static cpumask_var_ts\n\nThese are defined as static cpumask_var_t so if MAXSMP is not used,\nthey are cleared already. Avoid surprises when MAXSMP is enabled.\n\nSigned-off-by: Yinghai Lu \u003cyinghai.lu@kernel.org\u003e\nSigned-off-by: Rusty Russell \u003crusty@rustcorp.com.au\u003e\n" }, { "commit": "3af968e066d593bc4dacc021715f3e95ddf0996f", "tree": "37851a67d855e228d503a569973469b067ef218a", "parents": [ "46056be71c37378f518711da651e4bb76d650ee9" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jun 08 12:31:53 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jun 08 12:31:53 2009 -0700" }, "message": "async: Fix lack of boot-time console due to insufficient synchronization\n\nOur async work synchronization was broken by \"async: make sure\nindependent async domains can\u0027t accidentally entangle\" (commit\nd5a877e8dd409d8c702986d06485c374b705d340), because it would report\nthe wrong lowest active async ID when there was both running and\npending async work.\n\nThis caused things like no being able to read the root filesystem,\nresulting in missing console devices and inability to run \u0027init\u0027,\ncausing a boot-time panic.\n\nThis fixes it by properly returning the lowest pending async ID: if\nthere is any running async work, that will have a lower ID than any\npending work, and we should _not_ look at the pending work list.\n\nThere were alternative patches from Jaswinder and James, but this one\nalso cleans up the code by removing the pointless \u0027ret\u0027 variable and\nthe unnecesary testing for an empty list around \u0027for_each_entry()\u0027 (if\nthe list is empty, the for_each_entry() thing just won\u0027t execute).\n\nFixes-bug: http://bugzilla.kernel.org/show_bug.cgi?id\u003d13474\nReported-and-tested-by: Chris Clayton \u003cchris2553@googlemail.com\u003e\nCc: Jaswinder Singh Rajput \u003cjaswinder@kernel.org\u003e\nCc: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\nCc: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "edaba2c5334492f82d39ec35637c6dea5176a977", "tree": "d05ee0eacdb0c725da8374e9c1f38a4808dfdd2e", "parents": [ "08f67461c609ad96bf26732b590569e02e322019" ], "author": { "name": "Oleg Nesterov", "email": "oleg@redhat.com", "time": "Thu Jun 04 16:29:09 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jun 04 18:07:40 2009 -0700" }, "message": "ptrace: revert \"ptrace_detach: the wrong wakeup breaks the ERESTARTxxx logic\"\n\nCommit 95a3540da9c81a5987be810e1d9a83640a366bd5 (\"ptrace_detach: the wrong\nwakeup breaks the ERESTARTxxx logic\") removed the \"extra\"\nwake_up_process() from ptrace_detach(), but as Jan pointed out this breaks\nthe compatibility.\n\nI believe the changelog is right and this wake_up() is wrong in many\nways, but GDB assumes that ptrace(PTRACE_DETACH, child, 0, 0) always\nwakes up the tracee.\n\nDespite the fact this breaks SIGNAL_STOP_STOPPED/group_stop_count logic,\nand despite the fact this wake_up_process() can break another\nassumption: PTRACE_DETACH with SIGSTOP should leave the tracee in\nTASK_STOPPED case. Because the untraced child can dequeue SIGSTOP and\ncall do_signal_stop() before ptrace_detach() calls wake_up_process().\n\nRevert this change for now. We need some fixes even if we we want to keep\nthe current behaviour, but these fixes are not for 2.6.30.\n\nSigned-off-by: Oleg Nesterov \u003coleg@redhat.com\u003e\nAcked-by: Roland McGrath \u003croland@redhat.com\u003e\nCc: Jan Kratochvil \u003cjan.kratochvil@redhat.com\u003e\nCc: Denys Vlasenko \u003cdvlasenk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "087eb437051b3de817720f9c80c440fc9e7dcce8", "tree": "25a72acabe05c3e72dddd942855d4245dfae4b82", "parents": [ "b87297fb405ef13cac375f202d114323b076a56d" ], "author": { "name": "Oleg Nesterov", "email": "oleg@redhat.com", "time": "Thu Jun 04 16:29:07 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jun 04 18:07:40 2009 -0700" }, "message": "ptrace: tracehook_report_clone: fix false positives\n\nThe \"trace || CLONE_PTRACE\" check in tracehook_report_clone() is not right,\n\n- If the untraced task does clone(CLONE_PTRACE) the new child is not traced,\n we must not queue SIGSTOP.\n\n- If we forked the traced task, but the tracer exits and untraces both the\n forking task and the new child (after copy_process() drops tasklist_lock),\n we should not queue SIGSTOP too.\n\nChange the code to check task_ptrace() !\u003d 0 instead. This is still racy, but\nthe race is harmless.\n\nWe can race with another tracer attaching to this child, or the tracer can\nexit and detach in parallel. But giwen that we didn\u0027t do wake_up_new_task()\nyet, the child must have the pending SIGSTOP anyway.\n\nSigned-off-by: Oleg Nesterov \u003coleg@redhat.com\u003e\nAcked-by: Roland McGrath \u003croland@redhat.com\u003e\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "3d58f48ba05caed9118bce62b3047f8683438835", "tree": "94c911034f0e14ded73d3e9e6e9f8e22b6cad822", "parents": [ "abfe0af9813153bae8c85d9bac966bafcb8ddab1", "d9244b5d2fbfe9fa540024b410047af13ceec90f" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jun 01 21:06:21 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jun 01 21:06:21 2009 +0200" }, "message": "Merge branch \u0027linus\u0027 into irq/numa\n\nConflicts:\n\tarch/mips/sibyte/bcm1480/irq.c\n\tarch/mips/sibyte/sb1250/irq.c\n\nMerge reason: we gathered a few conflicts plus update to latest upstream fixes.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "ab2b7ebaad16226c9a5e85c5f384d19fa58a7459", "tree": "c7a700d9300dca0855721b3a15db150ae5d86f1b", "parents": [ "d4a76f8a619b5d7dfd5a0f122666fee24bb3dcb9" ], "author": { "name": "Tetsuo Handa", "email": "penguin-kernel@i-love.sakura.ne.jp", "time": "Tue May 26 09:11:03 2009 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 26 12:11:19 2009 -0700" }, "message": "kmod: Release sub_info on cred allocation failure.\n\ncall_usermodehelper_setup() forgot to kfree(sub_info)\nwhen prepare_usermodehelper_creds() failed.\n\nSigned-off-by: Tetsuo Handa \u003cpenguin-kernel@I-love.SAKURA.ne.jp\u003e\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "93c32483808c5d82c9bd1eef2208854a6d1326db", "tree": "fd8190ca7ce4b210f4e9fff135041f5c02456682", "parents": [ "d5a877e8dd409d8c702986d06485c374b705d340", "32bdfac5462d777f35b00838893c4f87baf23efe" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun May 24 19:38:25 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun May 24 19:38:25 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:\n PM: Do not hold dpm_list_mtx while disabling/enabling nonboot CPUs\n" }, { "commit": "d5a877e8dd409d8c702986d06485c374b705d340", "tree": "ece6d685c074c6823d31b7db99a52134866fd1a7", "parents": [ "657cafa6b0f5296424d6f43f6f6eeb4a3222117e" ], "author": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Sun May 24 13:03:43 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun May 24 13:38:41 2009 -0700" }, "message": "async: make sure independent async domains can\u0027t accidentally entangle\n\nThe problem occurs when async_synchronize_full_domain() is called when\nthe async_pending list is not empty. This will cause lowest_running()\nto return the cookie of the first entry on the async_pending list, which\nmight be nothing at all to do with the domain being asked for and thus\ncause the domain synchronization to wait for an unrelated domain. This\ncan cause a deadlock if domain synchronization is used from one domain\nto wait for another.\n\nFix by running over the async_pending list to see if any pending items\nactually belong to our domain (and return their cookies if they do).\n\nSigned-off-by: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\nSigned-off-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "32bdfac5462d777f35b00838893c4f87baf23efe", "tree": "92e4ef3af7b68007e8004eaca978865a29e543b0", "parents": [ "59a3759d0fe8d969888c741bb33f4946e4d3750d" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Sun May 24 21:15:07 2009 +0200" }, "committer": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Sun May 24 21:15:07 2009 +0200" }, "message": "PM: Do not hold dpm_list_mtx while disabling/enabling nonboot CPUs\n\nWe shouldn\u0027t hold dpm_list_mtx while executing\n[disable|enable]_nonboot_cpus(), because theoretically this may lead\nto a deadlock as shown by the following example (provided by Johannes\nBerg):\n\nCPU 3 CPU 2 CPU 1\n suspend/hibernate\n something:\n rtnl_lock() device_pm_lock()\n -\u003e mutex_lock(\u0026dpm_list_mtx)\n\n mutex_lock(\u0026dpm_list_mtx)\n\nlinkwatch_work\n -\u003e rtnl_lock()\n disable_nonboot_cpus()\n -\u003e flush CPU 3 workqueue\n\nFortunately, device drivers are supposed to stop any activities that\nmight lead to the registration of new device objects way before\ndisable_nonboot_cpus() is called, so it shouldn\u0027t be necessary to\nhold dpm_list_mtx over the entire late part of device suspend and\nearly part of device resume.\n\nThus, during the late suspend and the early resume of devices acquire\ndpm_list_mtx only when dpm_list is going to be traversed and release\nit right after that.\n\nThis patch is reported to fix the regressions tracked as\nhttp://bugzilla.kernel.org/show_bug.cgi?id\u003d13245.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nAcked-by: Alan Stern \u003cstern@rowland.harvard.edu\u003e\nReported-by: Miles Lane \u003cmiles.lane@gmail.com\u003e\nTested-by: Ming Lei \u003ctom.leiming@gmail.com\u003e\n" }, { "commit": "948cd52906baf1f92aeea2f9b5c515db1b2e592a", "tree": "a03482aebb7f8ed0b1706db8d6cd105f79ea53cc", "parents": [ "4c6f18fc81565967da20f2d4a3922cdba33f8e2b" ], "author": { "name": "Paul Mundt", "email": "lethal@linux-sh.org", "time": "Fri May 22 10:40:09 2009 +0900" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sat May 23 14:55:24 2009 +0200" }, "message": "sparseirq: Allow early irq_desc allocation\n\nPresently non-legacy IRQs have their irq_desc allocated with\nkzalloc_node(). This assumes that all callers of irq_to_desc_node_alloc()\nwill be sufficiently late in the boot process that kmalloc is available.\n\nWhile porting sparseirq support to sh this blew up immediately, as at the\ntime that we register the CPU\u0027s interrupt vector map only bootmem is\navailable. Check slab_is_available() to work out which path to use.\n\n[ Impact: fix SH early boot crash with sparseirq enabled ]\n\nSigned-off-by: Paul Mundt \u003clethal@linux-sh.org\u003e\nAcked-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Mel Gorman \u003cmel@csn.ul.ie\u003e\nLKML-Reference: \u003c20090522014008.GA2806@linux-sh.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "64d1304a64477629cb16b75491a77bafe6f86963", "tree": "f9bf95141429174d3e4596d3c4f5b167b6c0e745", "parents": [ "279e677faa775ad16e75c32e1bf4a37f8158bc61" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Mon May 18 21:20:10 2009 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Tue May 19 23:36:52 2009 +0200" }, "message": "futex: setup writeable mapping for futex ops which modify user space data\n\nThe futex code installs a read only mapping via get_user_pages_fast()\neven if the futex op function has to modify user space data. The\neventual fault was fixed up by futex_handle_fault() which walked the\nVMA with mmap_sem held.\n\nAfter the cleanup patches which removed the mmap_sem dependency of the\nfutex code commit 4dc5b7a36a49eff97050894cf1b3a9a02523717 (futex:\nclean up fault logic) removed the private VMA walk logic from the\nfutex code. This change results in a stale RO mapping which is not\nfixed up.\n\nInstead of reintroducing the previous fault logic we set up the\nmapping in get_user_pages_fast() read/write for all operations which\nmodify user space data. Also handle private futexes in the same way\nand make the current unconditional access_ok(VERIFY_WRITE) depend on\nthe futex op.\n\nReported-by: Andreas Schwab \u003cschwab@linux-m68k.org\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCC: stable@kernel.org\n\n" }, { "commit": "4200efd9acda4accf24640f1e77d24fdcdb524df", "tree": "ffeda24ae6a9c1b8ca94615e261434d925d2ed2c", "parents": [ "2d02494f5a90f2e4b3c4c6acc85ec94674cdc431" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 19 09:22:19 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 19 09:22:19 2009 +0200" }, "message": "sched: properly define the sched_group::cpumask and sched_domain::span fields\n\nProperly document the variable-size structure tricks we are doing\nwrt. struct sched_group and sched_domain, and use the field[0] GCC\nextension instead of defining a vla array.\n\nDont use unions for this, as pointed out by Linus.\n\n[ Impact: cleanup, un-confuse Sparse and LLVM ]\n\nReported-by: Jeff Garzik \u003cjeff@garzik.org\u003e\nAcked-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\nLKML-Reference: \u003calpine.LFD.2.01.0905180850110.3301@localhost.localdomain\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "ee3af6ee77f61cac3c8f770c65736bf5ed03a697", "tree": "a4803f26484914d55086c15b7a0234a2d38ce7b2", "parents": [ "13bba6fda98fe03a955665c9d4bf63c8fd9c19c0", "92d23f703c608fcb2c8edd74a3fd0f4031e18606", "d80c19df5fcceb8c741e96f09f275c2da719efef" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 18 10:11:06 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 18 10:11:06 2009 -0700" }, "message": "Merge branches \u0027sched-fixes-for-linus-2\u0027 and \u0027core-fixes-for-linus-2\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027sched-fixes-for-linus-2\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n sched: Fix fallback sched_clock()\u0027s offset when using jiffies\n\n* \u0027core-fixes-for-linus-2\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n lockdep: increase MAX_LOCKDEP_ENTRIES and MAX_LOCKDEP_CHAINS\n" }, { "commit": "0130b2d7010fe8e046b7a6c44911a1d3d0d16c96", "tree": "e4fb22c311a2ca8da64528538646d1e2579f4447", "parents": [ "80193195f87ebca6d7417516d6edeb3969631c15", "88fc86c283d9c3854e67e4155808027bc2519eb6" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 18 09:15:41 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 18 09:15:41 2009 -0700" }, "message": "Merge branch \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n tracing: Append prompt in /debug/tracing/README file\n x86/function-graph: fix constraint for recording old return value\n" }, { "commit": "86460103c412f9e11aeb7950cce64b9e51539d4d", "tree": "9d6230418012a22e0b1d4d09b024e24377002a6c", "parents": [ "b83674c0da6558e357c6b482ccf299eeea77d8ef", "4484079d517c2b6521621be0b1ea246ccc55c7d7" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun May 17 11:46:22 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun May 17 11:46:22 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:\n PM: check sysdev_suspend(PMSG_FREEZE) return value\n" }, { "commit": "0f6f49a8cd0163fdb1723ed29f01fc65177108dc", "tree": "086981f9ef51d57a34fbc5fde8095652877cf739", "parents": [ "b41a080fa9f157d223c782ec3571cf46e34e91d6" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat May 16 13:41:28 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat May 16 13:41:28 2009 -0700" }, "message": "Fix caller information for warn_slowpath_null\n\nIan Campbell noticed that since \"Eliminate thousands of warnings with\ngcc 3.2 build\" (commit 57adc4d2dbf968fdbe516359688094eef4d46581) all\nWARN_ON()\u0027s currently appear to come from warn_slowpath_null(), eg:\n\n WARNING: at kernel/softirq.c:143 warn_slowpath_null+0x1c/0x20()\n\nbecause now that warn_slowpath_null() is in the call path, the\n__builtin_return_address(0) returns that, rather than the place that\ncaused the warning.\n\nFix this by splitting up the warn_slowpath_null/fmt cases differently,\nusing a common helper function, and getting the return address in the\nright place. This also happens to avoid the unnecessary stack usage for\nthe non-stdargs case, and just generally cleans things up.\n\nMake the function name printout use %pS while at it.\n\nCc: Ian Campbell \u003cian.campbell@citrix.com\u003e\nCc: Jesper Nilsson \u003cjesper.nilsson@axis.com\u003e\nCc: Johannes Weiner \u003channes@cmpxchg.org\u003e\nCc: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nCc: Andi Kleen \u003cak@linux.intel.com\u003e\nCc: Hugh Dickins \u003chugh@veritas.com\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "4484079d517c2b6521621be0b1ea246ccc55c7d7", "tree": "60d0ae568555f1bd7329be411b28e55b12dc64c3", "parents": [ "8c21f34126222239450717b78dda0c4962d9ebfa" ], "author": { "name": "Bjorn Helgaas", "email": "bjorn.helgaas@hp.com", "time": "Fri May 15 23:30:50 2009 +0200" }, "committer": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Fri May 15 23:30:50 2009 +0200" }, "message": "PM: check sysdev_suspend(PMSG_FREEZE) return value\n\nCheck the return value of sysdev_suspend(). I think this was a typo.\nWithout this change, the following \"if\" check is always false.\nI also changed the error message so it\u0027s distinguishable from the\nsimilar message a few lines above.\n\nSigned-off-by: Bjorn Helgaas \u003cbjorn.helgaas@hp.com\u003e\nAcked-by: Pavel Machek \u003cpavel@ucw.cz\u003e\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\n" }, { "commit": "88fc86c283d9c3854e67e4155808027bc2519eb6", "tree": "2652b1a9d0299e1cc4d71573b2ac5e18ecae01c8", "parents": [ "aa512a27e9e8ed32f31b15eec67ab1ceca33839b" ], "author": { "name": "GeunSik Lim", "email": "leemgs1@gmail.com", "time": "Thu May 14 17:23:38 2009 +0900" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri May 15 19:43:22 2009 +0200" }, "message": "tracing: Append prompt in /debug/tracing/README file\n\nappend prompt in /debug/tracing/README file.\n\nThis is trivial issue. Fix typo Mini Howto file(README) for ftrace.\n\n[ Impact: cleanup ]\n\nSigned-off-by: GeunSik Lim \u003cgeunsik.lim@samsung.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: williams \u003cwilliams@redhat.com\u003e\nLKML-Reference: \u003c1242289418.31161.45.camel@centos51\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "ade385e4d14f4158b3b27acd992a98bca4cd7f23", "tree": "9f20430f5690901936348b0c955327c4a37d3485", "parents": [ "c6538499814d8112c5d4d08570a7cf0758e5f8f5", "d34a792da969a00b0f653c512414411760f55a20" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri May 15 08:06:45 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri May 15 08:06:45 2009 -0700" }, "message": "Merge branch \u0027for_linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb\n\n* \u0027for_linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:\n kgdb: gdb documentation fix\n kgdb,i386: use address that SP register points to in the exception frame\n sysrq, intel_fb: fix sysrq g collision\n" }, { "commit": "2d02494f5a90f2e4b3c4c6acc85ec94674cdc431", "tree": "8032438de5b55282976583b111d02d9379ff3966", "parents": [ "dce48a84adf1806676319f6f480e30a6daa012f9" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Sat May 02 20:08:52 2009 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 15 15:32:45 2009 +0200" }, "message": "sched, timers: cleanup avenrun users\n\navenrun is an rough estimate so we don\u0027t have to worry about\nconsistency of the three avenrun values. Remove the xtime lock\ndependency and provide a function to scale the values. Cleanup the\nusers.\n\n[ Impact: cleanup ]\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nAcked-by: Peter Zijlstra \u003cpeterz@infradead.org\u003e\n" }, { "commit": "dce48a84adf1806676319f6f480e30a6daa012f9", "tree": "79151f5d31d9c3dcdc723ab8877cb943b944890e", "parents": [ "2ff799d3cff1ecb274049378b28120ee5c1c5e5f" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Sat Apr 11 10:43:41 2009 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 15 15:32:45 2009 +0200" }, "message": "sched, timers: move calc_load() to scheduler\n\nDimitri Sivanich noticed that xtime_lock is held write locked across\ncalc_load() which iterates over all online CPUs. That can cause long\nlatencies for xtime_lock readers on large SMP systems. \n\nThe load average calculation is an rough estimate anyway so there is\nno real need to protect the readers vs. the update. It\u0027s not a problem\nwhen the avenrun array is updated while a reader copies the values.\n\nInstead of iterating over all online CPUs let the scheduler_tick code\nupdate the number of active tasks shortly before the avenrun update\nhappens. The avenrun update itself is handled by the CPU which calls\ndo_timer().\n\n[ Impact: reduce xtime_lock write locked section ]\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nAcked-by: Peter Zijlstra \u003cpeterz@infradead.org\u003e\n" }, { "commit": "364b5b7b1d793a7f98be55b6b154716dcae78dfc", "tree": "2c8d2571bde15bf7c376bd222b3cc916bd52c13d", "parents": [ "45d447406a19cbfd42720f066f156f4eb9d68801" ], "author": { "name": "Jason Wessel", "email": "jason.wessel@windriver.com", "time": "Wed May 13 21:56:59 2009 -0500" }, "committer": { "name": "Jason Wessel", "email": "jason.wessel@windriver.com", "time": "Fri May 15 07:56:24 2009 -0500" }, "message": "sysrq, intel_fb: fix sysrq g collision\n\nCommit 79e539453b34e35f39299a899d263b0a1f1670bd introduced a\nregression where you cannot use sysrq \u0027g\u0027 to enter kgdb. The solution\nis to move the intel fb sysrq over to V for video instead of G for\ngraphics. The SMP VOYAGER code to register for the sysrq-v is not\nanywhere to be found in the mainline kernel, so the comments in the\ncode were cleaned up as well.\n\nThis patch also cleans up the sysrq definitions for kgdb to make it\ngeneric for the kernel debugger, such that the sysrq \u0027g\u0027 can be used\nin the future to enter a gdbstub or another kernel debugger.\n\nSigned-off-by: Jason Wessel \u003cjason.wessel@windriver.com\u003e\nAcked-by: Jesse Barnes \u003cjbarnes@virtuousgeek.org\u003e\nAcked-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\n" }, { "commit": "cd17cbfda004fe5f406c01b318c6378d9895896f", "tree": "821e279bc6d9d52bc13fa6c3905ebbd44a2e4860", "parents": [ "05dc7b613481c695bb4fc476c6fbb46364b63f62" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri May 15 11:32:24 2009 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri May 15 11:32:24 2009 +0200" }, "message": "Revert \"mm: add /proc controls for pdflush threads\"\n\nThis reverts commit fafd688e4c0c34da0f3de909881117d374e4c7af.\n\nWork is progressing to switch away from pdflush as the process backing\nfor flushing out dirty data. So it seems pointless to add more knobs\nto control pdflush threads. The original author of the patch did not\nhave any specific use cases for adding the knobs, so we can easily\nrevert this before 2.6.30 to avoid having to maintain this API\nforever.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "d80c19df5fcceb8c741e96f09f275c2da719efef", "tree": "42062e06bd531ad89c9019a341c6b6c26062edfd", "parents": [ "1d80cac0fe44fb87b2a3d35fddd7f534ea81cd90" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 12 16:29:13 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 12 19:59:52 2009 +0200" }, "message": "lockdep: increase MAX_LOCKDEP_ENTRIES and MAX_LOCKDEP_CHAINS\n\nNow that lockdep coverage has increased it has become easier to\nrun out of entries:\n\n[ 21.401387] BUG: MAX_LOCKDEP_ENTRIES too low!\n[ 21.402007] turning off the locking correctness validator.\n[ 21.402007] Pid: 1555, comm: S99local Not tainted 2.6.30-rc5-tip #2\n[ 21.402007] Call Trace:\n[ 21.402007] [\u003cffffffff81069789\u003e] add_lock_to_list+0x53/0xba\n[ 21.402007] [\u003cffffffff810eb615\u003e] ? lookup_mnt+0x19/0x53\n[ 21.402007] [\u003cffffffff8106be14\u003e] check_prev_add+0x14b/0x1c7\n[ 21.402007] [\u003cffffffff8106c304\u003e] validate_chain+0x474/0x52a\n[ 21.402007] [\u003cffffffff8106c6fc\u003e] __lock_acquire+0x342/0x3c7\n[ 21.402007] [\u003cffffffff8106c842\u003e] lock_acquire+0xc1/0xe5\n[ 21.402007] [\u003cffffffff810eb615\u003e] ? lookup_mnt+0x19/0x53\n[ 21.402007] [\u003cffffffff8153aedc\u003e] _spin_lock+0x31/0x66\n\nDouble the size - as we\u0027ve done in the past.\n\n[ Impact: allow lockdep to cover more locks ]\n\nAcked-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003cnew-submission\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "6cda3eb62ef42aa5acd649bf99c8db544e0f4051", "tree": "93f74ca002f5756c8e157611174f9540b5cf41c0", "parents": [ "b9c61b70075c87a8612624736faf4a2de5b1ed30", "cec6be6d1069d697beb490bbb40a290d5ff554a2" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 12 12:17:30 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 12 12:17:36 2009 +0200" }, "message": "Merge branch \u0027x86/apic\u0027 into irq/numa\n\nMerge reason: both topics modify the APIC code but were able to do it in\n parallel so far. An upcoming patch generates a conflict so\n merge them to avoid the conflict.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "5031296c57024a78ddad4edfc993367dbf4abb98", "tree": "7506daf7aabf25a5ec567fcd2e644fe22cd91eca", "parents": [ "fe83fcc0a14dcf71996de5eb84771b2369ba7abc" ], "author": { "name": "H. Peter Anvin", "email": "hpa@zytor.com", "time": "Thu May 07 16:54:11 2009 -0700" }, "committer": { "name": "H. Peter Anvin", "email": "hpa@zytor.com", "time": "Mon May 11 17:45:06 2009 -0700" }, "message": "x86: add extension fields for bootloader type and version\n\nA long ago, in days of yore, it all began with a god named Thor.\nThere were vikings and boats and some plans for a Linux kernel\nheader. Unfortunately, a single 8-bit field was used for bootloader\ntype and version. This has generally worked without *too* much pain,\nbut we\u0027re getting close to flat running out of ID fields.\n\nAdd extension fields for both type and version. The type will be\nextended if it the old field is 0xE; the version is a simple MSB\nextension.\n\nKeep /proc/sys/kernel/bootloader_type containing\n(type \u003c\u003c 4) + (ver \u0026 0xf) for backwards compatiblity, but also add\n/proc/sys/kernel/bootloader_version which contains the full version\nnumber.\n\n[ Impact: new feature to support more bootloaders ]\n\nSigned-off-by: H. Peter Anvin \u003chpa@zytor.com\u003e\n" }, { "commit": "7961386fe9596e6bf03d09948a73c5df9653325b", "tree": "60fa2586a0d340ef8f7473956eef17430d8250c7", "parents": [ "aa47b7e0f89b9998dad4d1667447e8cb7703ff4e", "091bf7624d1c90cec9e578a18529f615213ff847" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon May 11 12:59:32 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon May 11 12:59:37 2009 +0200" }, "message": "Merge commit \u0027v2.6.30-rc5\u0027 into sched/core\n\nMerge reason: sched/core was on .30-rc1 before, update to latest fixes\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "6f5bbff9a1b7d6864a495763448a363bbfa96324", "tree": "0067dca46f40def1c55541c34c262e06aeb8c4c8", "parents": [ "74dbbdd7fdc11763f4698d2f3e684cf4446951e6" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed May 06 01:34:22 2009 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat May 09 10:49:40 2009 -0400" }, "message": "Convert obvious places to deactivate_locked_super()\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "92d23f703c608fcb2c8edd74a3fd0f4031e18606", "tree": "ecd2e7f94fea20188eb75cabbcd48a7f7ab79dbc", "parents": [ "091bf7624d1c90cec9e578a18529f615213ff847" ], "author": { "name": "Ron", "email": "ron@voicetronix.com", "time": "Fri May 08 22:54:49 2009 +0930" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sat May 09 10:08:19 2009 +0200" }, "message": "sched: Fix fallback sched_clock()\u0027s offset when using jiffies\n\nAccount for the initial offset to the jiffy count.\n\n[ Impact: fix printk timestamps on architectures using fallback sched_clock() ]\n\nSigned-off-by: Ron Lee \u003cron@debian.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "201517a7f3ec497fff545a7659c6c876f89f9054", "tree": "47721de5b13043eb9e7e10aaf7fe544c794a3c7d", "parents": [ "d7a5926978cb109b2db5985c65086483caf9e226" ], "author": { "name": "Masami Hiramatsu", "email": "mhiramat@redhat.com", "time": "Thu May 07 16:31:26 2009 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri May 08 16:23:48 2009 -0700" }, "message": "kprobes: fix to use text_mutex around arm/disarm kprobe\n\nFix kprobes to lock text_mutex around some arch_arm/disarm_kprobe() which\nare newly added by commit de5bd88d5a5cce3cacea904d3503e5ebdb3852a2.\n\nSigned-off-by: Masami Hiramatsu \u003cmhiramat@redhat.com\u003e\nAcked-by: Ananth N Mavinakayanahalli \u003cananth@in.ibm.com\u003e\nCc: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\nCc: Jim Keniston \u003cjkenisto@us.ibm.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "aa47b7e0f89b9998dad4d1667447e8cb7703ff4e", "tree": "6d4cf92c2dffccb59432652303b46ffe991d37a7", "parents": [ "60aa605dfce2976e54fa76e805ab0f221372d4d9" ], "author": { "name": "David Rientjes", "email": "rientjes@google.com", "time": "Mon May 04 01:38:05 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 09:36:28 2009 +0200" }, "message": "sched: emit thread info flags with stack trace\n\nWhen a thread is oom killed and fails to exit, it\u0027s helpful to know which\nthreads have access to memory reserves if the machine livelocks. This is\ndone by testing for the TIF_MEMDIE thread info flag and should be\ndisplayed alongside stack traces to identify tasks that have access to\nsuch reserves but are still stuck allocating pages, for instance.\n\nIt would probably be helpful in other cases as well, so all thread info\nflags are emitted when showing a task.\n\n( v2: fix warning reported by Stephen Rothwell )\n\n[ Impact: extend debug printout info ]\n\nSigned-off-by: David Rientjes \u003crientjes@google.com\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nLKML-Reference: \u003calpine.DEB.2.00.0905040136390.15831@chino.kir.corp.google.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "57adc4d2dbf968fdbe516359688094eef4d46581", "tree": "69e84c0feb47f0d6b677266d12635f54636528d7", "parents": [ "429aa0fca0df702fc9c81d799175a7d920398827" ], "author": { "name": "Andi Kleen", "email": "andi@firstfloor.org", "time": "Wed May 06 16:02:53 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed May 06 16:36:09 2009 -0700" }, "message": "Eliminate thousands of warnings with gcc 3.2 build\n\nWhen building with gcc 3.2 I get thousands of warnings such as\n\ninclude/linux/gfp.h: In function `allocflags_to_migratetype\u0027:\ninclude/linux/gfp.h:105: warning: null format string\n\ndue to passing a NULL format string to warn_slowpath() in\n\n#define __WARN()\t\twarn_slowpath(__FILE__, __LINE__, NULL)\n\nSplit this case out into a separate call. This also shrinks the kernel\nslightly:\n\n text data bss dec hex filename\n 4802274 707668 712704 6222646 5ef336 vmlinux\n text data bss dec hex filename\n 4799027 703572 712704 6215303 5ed687 vmlinux\n\ndue to removeing one argument from the commonly-called __WARN().\n\n[akpm@linux-foundation.org: reduce scope of `empty\u0027]\nAcked-by: Jesper Nilsson \u003cjesper.nilsson@axis.com\u003e\nAcked-by: Johannes Weiner \u003channes@cmpxchg.org\u003e\nAcked-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\nCc: Hugh Dickins \u003chugh@veritas.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "381a80e6df396eaabef2c00f85974a4579ac1c70", "tree": "431f7f11302c3e41e1c93c76afd4e116d2464bfd", "parents": [ "fd1e6c1df5c396961509daac2b456852edf982df" ], "author": { "name": "Wu Fengguang", "email": "fengguang.wu@intel.com", "time": "Wed May 06 16:02:50 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed May 06 16:36:09 2009 -0700" }, "message": "inotify: use GFP_NOFS in kernel_event() to work around a lockdep false-positive\n\nThere is what we believe to be a false positive reported by lockdep.\n\ninotify_inode_queue_event() \u003d\u003e take inotify_mutex \u003d\u003e kernel_event() \u003d\u003e\nkmalloc() \u003d\u003e SLOB \u003d\u003e alloc_pages_node() \u003d\u003e page reclaim \u003d\u003e slab reclaim \u003d\u003e\ndcache reclaim \u003d\u003e inotify_inode_is_dead \u003d\u003e take inotify_mutex \u003d\u003e deadlock\n\nThe plan is to fix this via lockdep annotation, but that is proving to be\nquite involved.\n\nThe patch flips the allocation over to GFP_NFS to shut the warning up, for\nthe 2.6.30 release.\n\nHopefully we will fix this for real in 2.6.31. I\u0027ll queue a patch in -mm\nto switch it back to GFP_KERNEL so we don\u0027t forget.\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\n [ INFO: inconsistent lock state ]\n 2.6.30-rc2-next-20090417 #203\n ---------------------------------\n inconsistent {RECLAIM_FS-ON-W} -\u003e {IN-RECLAIM_FS-W} usage.\n kswapd0/380 [HC0[0]:SC0[0]:HE1:SE1] takes:\n (\u0026inode-\u003einotify_mutex){+.+.?.}, at: [\u003cffffffff8112f1b5\u003e] inotify_inode_is_dead+0x35/0xb0\n {RECLAIM_FS-ON-W} state was registered at:\n [\u003cffffffff81079188\u003e] mark_held_locks+0x68/0x90\n [\u003cffffffff810792a5\u003e] lockdep_trace_alloc+0xf5/0x100\n [\u003cffffffff810f5261\u003e] __kmalloc_node+0x31/0x1e0\n [\u003cffffffff81130652\u003e] kernel_event+0xe2/0x190\n [\u003cffffffff81130826\u003e] inotify_dev_queue_event+0x126/0x230\n [\u003cffffffff8112f096\u003e] inotify_inode_queue_event+0xc6/0x110\n [\u003cffffffff8110444d\u003e] vfs_create+0xcd/0x140\n [\u003cffffffff8110825d\u003e] do_filp_open+0x88d/0xa20\n [\u003cffffffff810f6b68\u003e] do_sys_open+0x98/0x140\n [\u003cffffffff810f6c50\u003e] sys_open+0x20/0x30\n [\u003cffffffff8100c272\u003e] system_call_fastpath+0x16/0x1b\n [\u003cffffffffffffffff\u003e] 0xffffffffffffffff\n irq event stamp: 690455\n hardirqs last enabled at (690455): [\u003cffffffff81564fe4\u003e] _spin_unlock_irqrestore+0x44/0x80\n hardirqs last disabled at (690454): [\u003cffffffff81565372\u003e] _spin_lock_irqsave+0x32/0xa0\n softirqs last enabled at (690178): [\u003cffffffff81052282\u003e] __do_softirq+0x202/0x220\n softirqs last disabled at (690157): [\u003cffffffff8100d50c\u003e] call_softirq+0x1c/0x50\n\n other info that might help us debug this:\n 2 locks held by kswapd0/380:\n #0: (shrinker_rwsem){++++..}, at: [\u003cffffffff810d0bd7\u003e] shrink_slab+0x37/0x180\n #1: (\u0026type-\u003es_umount_key#17){++++..}, at: [\u003cffffffff8110cfbf\u003e] shrink_dcache_memory+0x11f/0x1e0\n\n stack backtrace:\n Pid: 380, comm: kswapd0 Not tainted 2.6.30-rc2-next-20090417 #203\n Call Trace:\n [\u003cffffffff810789ef\u003e] print_usage_bug+0x19f/0x200\n [\u003cffffffff81018bff\u003e] ? save_stack_trace+0x2f/0x50\n [\u003cffffffff81078f0b\u003e] mark_lock+0x4bb/0x6d0\n [\u003cffffffff810799e0\u003e] ? check_usage_forwards+0x0/0xc0\n [\u003cffffffff8107b142\u003e] __lock_acquire+0xc62/0x1ae0\n [\u003cffffffff810f478c\u003e] ? slob_free+0x10c/0x370\n [\u003cffffffff8107c0a1\u003e] lock_acquire+0xe1/0x120\n [\u003cffffffff8112f1b5\u003e] ? inotify_inode_is_dead+0x35/0xb0\n [\u003cffffffff81562d43\u003e] mutex_lock_nested+0x63/0x420\n [\u003cffffffff8112f1b5\u003e] ? inotify_inode_is_dead+0x35/0xb0\n [\u003cffffffff8112f1b5\u003e] ? inotify_inode_is_dead+0x35/0xb0\n [\u003cffffffff81012fe9\u003e] ? sched_clock+0x9/0x10\n [\u003cffffffff81077165\u003e] ? lock_release_holdtime+0x35/0x1c0\n [\u003cffffffff8112f1b5\u003e] inotify_inode_is_dead+0x35/0xb0\n [\u003cffffffff8110c9dc\u003e] dentry_iput+0xbc/0xe0\n [\u003cffffffff8110cb23\u003e] d_kill+0x33/0x60\n [\u003cffffffff8110ce23\u003e] __shrink_dcache_sb+0x2d3/0x350\n [\u003cffffffff8110cffa\u003e] shrink_dcache_memory+0x15a/0x1e0\n [\u003cffffffff810d0cc5\u003e] shrink_slab+0x125/0x180\n [\u003cffffffff810d1540\u003e] kswapd+0x560/0x7a0\n [\u003cffffffff810ce160\u003e] ? isolate_pages_global+0x0/0x2c0\n [\u003cffffffff81065a30\u003e] ? autoremove_wake_function+0x0/0x40\n [\u003cffffffff8107953d\u003e] ? trace_hardirqs_on+0xd/0x10\n [\u003cffffffff810d0fe0\u003e] ? kswapd+0x0/0x7a0\n [\u003cffffffff8106555b\u003e] kthread+0x5b/0xa0\n [\u003cffffffff8100d40a\u003e] child_rip+0xa/0x20\n [\u003cffffffff8100cdd0\u003e] ? restore_args+0x0/0x30\n [\u003cffffffff81065500\u003e] ? kthread+0x0/0xa0\n [\u003cffffffff8100d400\u003e] ? child_rip+0x0/0x20\n\n[eparis@redhat.com: fix audit too]\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Matt Mackall \u003cmpm@selenic.com\u003e\nCc: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "99ee12973e5fd1123ed1779fb4d11ac7d381d430", "tree": "6786f9feaf02a979fbcd7943e3ad9bb901133383", "parents": [ "bcb16568275a9bfaa79efdce6816467927f2c406", "74a03b69d1b5ce00a568e142ca97e76b7f5239c6" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:38 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:38 2009 -0700" }, "message": "Merge branch \u0027timers/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027timers/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n clockevents: prevent endless loop in tick_handle_periodic()\n" }, { "commit": "bcb16568275a9bfaa79efdce6816467927f2c406", "tree": "45790b0f37c7d4fd45290b64c4b1f8f576989195", "parents": [ "e858e8b07666e96c7206f3c42d233340156ebf0a", "d7226fb6ec5d4f325e4e7fd905894e2ea3eb3ae0" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:27 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:27 2009 -0700" }, "message": "Merge branch \u0027irq/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027irq/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n Revert \"genirq: assert that irq handlers are indeed running in hardirq context\"\n" }, { "commit": "e858e8b07666e96c7206f3c42d233340156ebf0a", "tree": "c03420c9d8d9606d4f8b06bd280646528af8f4b1", "parents": [ "da87bbd14299ef43848742c44dfe05fa1da5a21f", "f5f293a4e3d0a0c52cec31de6762c95050156516" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:40 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:40 2009 -0700" }, "message": "Merge branch \u0027sched-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027sched-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n sched: account system time properly\n" }, { "commit": "da87bbd14299ef43848742c44dfe05fa1da5a21f", "tree": "ac28a7cf89fbcad8cc18f71c041c520d216ec091", "parents": [ "e91b3b2681148371d84b9cdf4cab6f9de0522544", "6e85c5ba73c07b990798087e9b858c065db2b234" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:20 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:20 2009 -0700" }, "message": "Merge branch \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n kernel/posix-cpu-timers.c: fix sparse warning\n dma-debug: remove broken dma memory leak detection for 2.6.30\n locking: Documentation: lockdep-design.txt, fix note of state bits\n" }, { "commit": "e91b3b2681148371d84b9cdf4cab6f9de0522544", "tree": "3b14f9abef903f70dbd48540cebb1da041cc01ac", "parents": [ "5e30302b9ee75a01d65d8dcf4085254a5da1066d", "33015c85995716d03f6293346cf05a1908b0fb9a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:02 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:02 2009 -0700" }, "message": "Merge branch \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n tracing: x86, mmiotrace: fix range test\n tracing: fix ref count in splice pages\n" }, { "commit": "60aa605dfce2976e54fa76e805ab0f221372d4d9", "tree": "097a6ddd4127039f79e36a2e9100b653551d997d", "parents": [ "6e29ec5701e9d44fa02b96c1c5c45f7516182b65" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Tue May 05 17:50:21 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue May 05 20:07:57 2009 +0200" }, "message": "sched: rt: document the risk of small values in the bandwidth settings\n\nThomas noted that we should disallow sysctl_sched_rt_runtime \u003d\u003d 0 for\n(!RT_GROUP) since the root group always has some RT tasks in it.\n\nFurther, update the documentation to inspire clue.\n\n[ Impact: exclude corner-case sysctl_sched_rt_runtime value ]\n\nReported-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c20090505155436.863098054@chello.nl\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "9e4a5bda89034502fb144331e71a0efdfd5fae97", "tree": "89706c956da4b6cddf04d60be736e8a05f3f2679", "parents": [ "8713e01295140f674a41f2199b0f7ca99dfb69d5" ], "author": { "name": "Andrea Righi", "email": "righi.andrea@gmail.com", "time": "Thu Apr 30 15:08:57 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat May 02 15:36:10 2009 -0700" }, "message": "mm: prevent divide error for small values of vm_dirty_bytes\n\nAvoid setting less than two pages for vm_dirty_bytes: this is necessary to\navoid potential division by 0 (like the following) in get_dirty_limits().\n\n[ 49.951610] divide error: 0000 [#1] PREEMPT SMP\n[ 49.952195] last sysfs file: /sys/devices/pci0000:00/0000:00:01.1/host0/target0:0:0/0:0:0:0/block/sda/uevent\n[ 49.952195] CPU 1\n[ 49.952195] Modules linked in: pcspkr\n[ 49.952195] Pid: 3064, comm: dd Not tainted 2.6.30-rc3 #1\n[ 49.952195] RIP: 0010:[\u003cffffffff802d39a9\u003e] [\u003cffffffff802d39a9\u003e] get_dirty_limits+0xe9/0x2c0\n[ 49.952195] RSP: 0018:ffff88001de03a98 EFLAGS: 00010202\n[ 49.952195] RAX: 00000000000000c0 RBX: ffff88001de03b80 RCX: 28f5c28f5c28f5c3\n[ 49.952195] RDX: 0000000000000000 RSI: 00000000000000c0 RDI: 0000000000000000\n[ 49.952195] RBP: ffff88001de03ae8 R08: 0000000000000000 R09: 0000000000000000\n[ 49.952195] R10: ffff88001ddda9a0 R11: 0000000000000001 R12: 0000000000000001\n[ 49.952195] R13: ffff88001fbc8218 R14: ffff88001de03b70 R15: ffff88001de03b78\n[ 49.952195] FS: 00007fe9a435b6f0(0000) GS:ffff8800025d9000(0000) knlGS:0000000000000000\n[ 49.952195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 49.952195] CR2: 00007fe9a39ab000 CR3: 000000001de38000 CR4: 00000000000006e0\n[ 49.952195] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 49.952195] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400\n[ 49.952195] Process dd (pid: 3064, threadinfo ffff88001de02000, task ffff88001ddda250)\n[ 49.952195] Stack:\n[ 49.952195] ffff88001fa0de00 ffff88001f2dbd70 ffff88001f9fe800 000080b900000000\n[ 49.952195] 00000000000000c0 ffff8800027a6100 0000000000000400 ffff88001fbc8218\n[ 49.952195] 0000000000000000 0000000000000600 ffff88001de03bb8 ffffffff802d3ed7\n[ 49.952195] Call Trace:\n[ 49.952195] [\u003cffffffff802d3ed7\u003e] balance_dirty_pages_ratelimited_nr+0x1d7/0x3f0\n[ 49.952195] [\u003cffffffff80368f8e\u003e] ? ext3_writeback_write_end+0x9e/0x120\n[ 49.952195] [\u003cffffffff802cc7df\u003e] generic_file_buffered_write+0x12f/0x330\n[ 49.952195] [\u003cffffffff802cce8d\u003e] __generic_file_aio_write_nolock+0x26d/0x460\n[ 49.952195] [\u003cffffffff802cda32\u003e] ? generic_file_aio_write+0x52/0xd0\n[ 49.952195] [\u003cffffffff802cda49\u003e] generic_file_aio_write+0x69/0xd0\n[ 49.952195] [\u003cffffffff80365fa6\u003e] ext3_file_write+0x26/0xc0\n[ 49.952195] [\u003cffffffff803034d1\u003e] do_sync_write+0xf1/0x140\n[ 49.952195] [\u003cffffffff80290d1a\u003e] ? get_lock_stats+0x2a/0x60\n[ 49.952195] [\u003cffffffff80280730\u003e] ? autoremove_wake_function+0x0/0x40\n[ 49.952195] [\u003cffffffff8030411b\u003e] vfs_write+0xcb/0x190\n[ 49.952195] [\u003cffffffff803042d0\u003e] sys_write+0x50/0x90\n[ 49.952195] [\u003cffffffff8022ff6b\u003e] system_call_fastpath+0x16/0x1b\n[ 49.952195] Code: 00 00 00 2b 05 09 1c 17 01 48 89 c6 49 0f af f4 48 c1 ee 02 48 89 f0 48 f7 e1 48 89 d6 31 d2 48 c1 ee 02 48 0f af 75 d0 48 89 f0 \u003c48\u003e f7 f7 41 8b 95 ac 01 00 00 48 89 c7 49 0f af d4 48 c1 ea 02\n[ 49.952195] RIP [\u003cffffffff802d39a9\u003e] get_dirty_limits+0xe9/0x2c0\n[ 49.952195] RSP \u003cffff88001de03a98\u003e\n[ 50.096523] ---[ end trace 008d7aa02f244d7b ]---\n\nSigned-off-by: Andrea Righi \u003crighi.andrea@gmail.com\u003e\nCc: Peter Zijlstra \u003cpeterz@infradead.org\u003e\nCc: David Rientjes \u003crientjes@google.com\u003e\nCc: Dave Chinner \u003cdavid@fromorbit.com\u003e\nCc: Christoph Lameter \u003ccl@linux-foundation.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "74a03b69d1b5ce00a568e142ca97e76b7f5239c6", "tree": "02bdea43ae6d528dcee97c00c3a8651f8841411a", "parents": [ "091438dd5668396328a3419abcbc6591159eb8d1" ], "author": { "name": "john stultz", "email": "johnstul@us.ibm.com", "time": "Fri May 01 13:10:25 2009 -0700" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Sat May 02 10:22:27 2009 +0200" }, "message": "clockevents: prevent endless loop in tick_handle_periodic()\n\ntick_handle_periodic() can lock up hard when a one shot clock event\ndevice is used in combination with jiffies clocksource.\n\nAvoid an endless loop issue by requiring that a highres valid\nclocksource be installed before we call tick_periodic() in a loop when\nusing ONESHOT mode. The result is we will only increment jiffies once\nper interrupt until a continuous hardware clocksource is available.\n\nWithout this, we can run into a endless loop, where each cycle through\nthe loop, jiffies is updated which increments time by tick_period or\nmore (due to clock steering), which can cause the event programming to\nthink the next event was before the newly incremented time and fail\ncausing tick_periodic() to be called again and the whole process loops\nforever.\n\n[ Impact: prevent hard lock up ]\n\nSigned-off-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: stable@kernel.org\n" }, { "commit": "15e957d08dd4a841359cfec59ecb74041e0097aa", "tree": "e18a8b70751c552ba2bd7248660f137a735938ea", "parents": [ "56b581ea9591b5767b1e0204c6a06c7d0c49396e" ], "author": { "name": "Yinghai Lu", "email": "yinghai@kernel.org", "time": "Thu Apr 30 01:17:50 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri May 01 19:01:12 2009 +0200" }, "message": "x86/irq: use move_irq_desc() in create_irq_nr()\n\nmove_irq_desc() will try to move irq_desc to the home node if\nthe allocated one is not correct, in create_irq_nr().\n\n( This can happen on devices that are on different nodes that\n are using MSI, when drivers are loaded and unloaded randomly. )\n\nv2: fix non-smp build\nv3: add NUMA_IRQ_DESC to eliminate #ifdefs\n\n[ Impact: improve irq descriptor locality on NUMA systems ]\n\nSigned-off-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Suresh Siddha \u003csuresh.b.siddha@intel.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nLKML-Reference: \u003c49F95EAE.2050903@kernel.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "d7226fb6ec5d4f325e4e7fd905894e2ea3eb3ae0", "tree": "aa5601ffd1103f5ba8662722a0c88cfe1990a301", "parents": [ "091438dd5668396328a3419abcbc6591159eb8d1" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 01 15:16:04 2009 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 01 15:16:04 2009 +0200" }, "message": "Revert \"genirq: assert that irq handlers are indeed running in hardirq context\"\n\nThis reverts commit 044d408409cc4e1bc75c886e27ca85c270db104c.\n\nThe commit added a warning when handle_IRQ_event() is called outside\nof hard interrupt context. This breaks the generic tasklet based\ninterrupt resend mechanism which is used when the hardware has no way\nto retrigger the interrupt. So we get a warning for a use case which\nis correct and worked for years. Remove it.\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "6e85c5ba73c07b990798087e9b858c065db2b234", "tree": "d3cfcdd1f8d779f65035a0f610ed13bda9b96d68", "parents": [ "314eeac9e35d8b934dd7a09ed3a8e00d41977b84" ], "author": { "name": "H Hartley Sweeten", "email": "hartleys@visionengravers.com", "time": "Wed Apr 29 19:14:32 2009 -0400" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu Apr 30 08:08:31 2009 +0200" }, "message": "kernel/posix-cpu-timers.c: fix sparse warning\n\nSparse reports the following in kernel/posix-cpu-timers.c:\n\n warning: symbol \u0027firing\u0027 shadows an earlier one\n\nSigned-off-by: H Hartley Sweeten \u003chsweeten@visionengravers.com\u003e\nCc: Subrata Modak \u003csubrata@linux.vnet.ibm.com\u003e\nLKML-Reference: \u003cBD79186B4FD85F4B8E60E381CAEE1909016C1AFE@mi8nycmail19.Mi8.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "f5f293a4e3d0a0c52cec31de6762c95050156516", "tree": "b9dad5f4b1e834e414e825345b32fadd1ed6c01a", "parents": [ "56a50adda49b2020156616c4eb15353e0f9ad7de" ], "author": { "name": "Eric Dumazet", "email": "dada1@cosmosbay.com", "time": "Wed Apr 29 14:44:49 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Apr 29 15:02:28 2009 +0200" }, "message": "sched: account system time properly\n\nAndrew Gallatin reported that IRQ and SOFTIRQ times were\nsometime not reported correctly on recent kernels, and even\nbisected to commit 457533a7d3402d1d91fbc125c8bd1bd16dcd3cd4\n([PATCH] fix scaled \u0026 unscaled cputime accounting) as the first\nbad commit.\n\nFurther analysis pointed that commit\n79741dd35713ff4f6fd0eafd59fa94e8a4ba922d ([PATCH] idle cputime\naccounting) was the real cause of the problem.\n\naccount_process_tick() was not taking into account timer IRQ\ninterrupting the idle task servicing a hard or soft irq.\n\nOn mostly idle cpu, irqs were thus not accounted and top or\nmpstat could tell user/admin that cpu was 100 % idle, 0.00 %\nirq, 0.00 % softirq, while it was not.\n\n[ Impact: fix occasionally incorrect CPU statistics in top/mpstat ]\n\nReported-by: Andrew Gallatin \u003cgallatin@myri.com\u003e\nRe-reported-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Eric Dumazet \u003cdada1@cosmosbay.com\u003e\nAcked-by: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e\nCc: rick.jones2@hp.com\nCc: brice@myri.com\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nLKML-Reference: \u003c49F84BC1.7080602@cosmosbay.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "50fa610a3b6ba7cf91d7a92229177dfaff2b81a1", "tree": "0369fc3269a18f8d2ffcedaebe4ac875bbe9870c", "parents": [ "56a50adda49b2020156616c4eb15353e0f9ad7de" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Tue Apr 28 15:01:38 2009 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Apr 29 14:15:55 2009 +0200" }, "message": "sched: Document memory barriers implied by sleep/wake-up primitives\n\nAdd a section to the memory barriers document to note the implied\nmemory barriers of sleep primitives (set_current_state() and wrappers)\nand wake-up primitives (wake_up() and co.).\n\nAlso extend the in-code comments on the wake_up() functions to note\nthese implied barriers.\n\n[ Impact: add documentation ]\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nCc: Oleg Nesterov \u003coleg@redhat.com\u003e\nCc: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nLKML-Reference: \u003c20090428140138.1192.94723.stgit@warthog.procyon.org.uk\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "7267fa6819467669f5cc2ba81a615dcc88158b4b", "tree": "281e3c2b9765c24364280f02fd9f9aa387c8aa6f", "parents": [ "091069740304c979f957ceacec39c461d0192158" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed Apr 29 00:16:21 2009 -0400" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Apr 29 08:02:44 2009 +0200" }, "message": "tracing: fix ref count in splice pages\n\nThe pages allocated for the splice binary buffer did not initialize\nthe ref count correctly. This caused pages not to be freed and causes\na drastic memory leak.\n\nThanks to logdev I was able to trace the tracer to find where the leak\nwas.\n\n[ Impact: stop memory leak when using splice ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "85ac16d033370caf6f48d743c8dc8103700f5cc5", "tree": "04a73af31c07a8ad29780b777b3f9d041fa236fa", "parents": [ "57b150cce8e004ddd36330490a68bfb59b7271e9" ], "author": { "name": "Yinghai Lu", "email": "yinghai@kernel.org", "time": "Mon Apr 27 18:00:38 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 28 12:21:17 2009 +0200" }, "message": "x86/irq: change irq_desc_alloc() to take node instead of cpu\n\nThis simplifies the node awareness of the code. All our allocators\nonly deal with a NUMA node ID locality not with CPU ids anyway - so\nthere\u0027s no need to maintain (and transform) a CPU id all across the\nIRq layer.\n\nv2: keep move_irq_desc related\n\n[ Impact: cleanup, prepare IRQ code to be NUMA-aware ]\n\nSigned-off-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Suresh Siddha \u003csuresh.b.siddha@intel.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCc: Jeremy Fitzhardinge \u003cjeremy@goop.org\u003e\nLKML-Reference: \u003c49F65536.2020300@kernel.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "57b150cce8e004ddd36330490a68bfb59b7271e9", "tree": "f337b08b6cd9bbe165c709a7e5159b0d6d779238", "parents": [ "d5dedd4507d307eb3f35f21b6e16f336fdc0d82a" ], "author": { "name": "Yinghai Lu", "email": "yinghai@kernel.org", "time": "Mon Apr 27 17:59:53 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 28 12:21:16 2009 +0200" }, "message": "irq: only update affinity if -\u003eset_affinity() is sucessfull\n\nirq_set_affinity() and move_masked_irq() try to assign affinity\nbefore calling chip set_affinity(). Some archs are assigning it\nin -\u003eset_affinity() again.\n\nWe do something like:\n\n cpumask_cpy(desc-\u003eaffinity, mask);\n desc-\u003echip-\u003eset_affinity(mask);\n\nBut in the failure path, affinity should not be touched - otherwise\nwe\u0027ll end up with a different affinity mask despite the failure to\nmigrate the IRQ.\n\nSo try to update the afffinity only if set_affinity returns with 0.\nAlso call irq_set_thread_affinity accordingly.\n\nv2: update after \"irq, x86: Remove IRQ_DISABLED check in process context IRQ move\"\nv3: according to Ingo, change set_affinity() in irq_chip should return int.\nv4: update comments by removing moving irq_desc code.\n\n[ Impact: fix /proc/irq/*/smp_affinity setting corner case bug ]\n\nSigned-off-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Suresh Siddha \u003csuresh.b.siddha@intel.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nLKML-Reference: \u003c49F65509.60307@kernel.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "fcef5911c7ea89b80d5bfc727f402f37c9eefd57", "tree": "e37ad2cda662933b01b2ba6e28e570a18ef1edc2", "parents": [ "9ec4fa271faf2db3b8e1419c998da1ca6b094eb6" ], "author": { "name": "Yinghai Lu", "email": "yinghai@kernel.org", "time": "Mon Apr 27 17:58:23 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 28 12:21:15 2009 +0200" }, "message": "x86/irq: remove leftover code from NUMA_MIGRATE_IRQ_DESC\n\nThe original feature of migrating irq_desc dynamic was too fragile\nand was causing problems: it caused crashes on systems with lots of\ncards with MSI-X when user-space irq-balancer was enabled.\n\nWe now have new patches that create irq_desc according to device\nnuma node. This patch removes the leftover bits of the dynamic balancer.\n\n[ Impact: remove dead code ]\n\nSigned-off-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Suresh Siddha \u003csuresh.b.siddha@intel.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nLKML-Reference: \u003c49F654AF.8000808@kernel.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "9ec4fa271faf2db3b8e1419c998da1ca6b094eb6", "tree": "2dd817bd41526fc1d1252e50b0b1a0714ae34a7f", "parents": [ "e25c2c873f59c57cf1c2b1979cc8fb01958305ef" ], "author": { "name": "Yinghai Lu", "email": "yinghai@kernel.org", "time": "Mon Apr 27 17:57:18 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 28 12:21:14 2009 +0200" }, "message": "irq, cpumask: correct CPUMASKS_OFFSTACK typo and fix fallout\n\nCPUMASKS_OFFSTACK is not defined anywhere (it is CPUMASK_OFFSTACK).\nIt is a typo and init_allocate_desc_masks() is called before it set\naffinity to all cpus...\n\nSplit init_alloc_desc_masks() into all_desc_masks() and init_desc_masks().\n\nAlso use CPUMASK_OFFSTACK in alloc_desc_masks().\n\n[ Impact: fix smp_affinity copying/setup when moving irq_desc between CPUs ]\n\nSigned-off-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nAcked-by: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Suresh Siddha \u003csuresh.b.siddha@intel.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nLKML-Reference: \u003c49F6546E.3040406@kernel.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "51b3960e78575f96c989d08421596bb6ab569f44", "tree": "fa6ec27c8fb2a2f9cfd278193a01a6b51d1a77b5", "parents": [ "f70616acacd956aaa819fd2e3a0d0152f1bc812b", "cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 27 08:38:51 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 27 08:38:51 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:\n ptrace: ptrace_attach: fix the usage of -\u003ecred_exec_mutex\n" }, { "commit": "cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb", "tree": "8d056ddb9db3db5eeba6a6fb629efe2c05b67ea0", "parents": [ "ce8a7424d23a36f043d0de8484f888971c831119" ], "author": { "name": "Oleg Nesterov", "email": "oleg@redhat.com", "time": "Mon Apr 27 01:41:34 2009 +0200" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Mon Apr 27 20:30:51 2009 +1000" }, "message": "ptrace: ptrace_attach: fix the usage of -\u003ecred_exec_mutex\n\nptrace_attach() needs task-\u003ecred_exec_mutex, not current-\u003ecred_exec_mutex.\n\nSigned-off-by: Oleg Nesterov \u003coleg@redhat.com\u003e\nAcked-by: Roland McGrath \u003croland@redhat.com\u003e\nAcked-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "fc2e3180a714d3125fc883541c0cd5936c99ba34", "tree": "c4e590a6ee64b1afb4ece1f7dee41a405849df2e", "parents": [ "1e4b978154c8cb6cdadd1988c597ef20f837679e", "ca713c2ab0eea3458962983e4a7e13430ea479b8" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Apr 26 10:29:18 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Apr 26 10:29:18 2009 -0700" }, "message": "Merge branch \u0027irq-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027irq-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n x86/irq: mark NUMA_MIGRATE_IRQ_DESC broken\n x86, irq: Remove IRQ_DISABLED check in process context IRQ move\n" }, { "commit": "1e4b978154c8cb6cdadd1988c597ef20f837679e", "tree": "67c33602bb3125c3957a441fa912044f55ccfc57", "parents": [ "ce8a7424d23a36f043d0de8484f888971c831119", "b48ccb095a0c9257241261ec2bd1cbb1bdabc48b" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Apr 26 10:29:01 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Apr 26 10:29:01 2009 -0700" }, "message": "Merge branch \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n locking: clarify kernel-taint warning message\n lockdep, x86: account for irqs enabled in paranoid_exit\n lockdep: more robust lockdep_map init sequence\n" }, { "commit": "0c8454f56623505a99463405fd7d5664adfbb094", "tree": "64e594f2846d997213890b59168307d12e676ff0", "parents": [ "4b2b0b9753194cad44d7295c32044b89710efd70" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Sat Apr 25 00:16:06 2009 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Apr 24 15:31:30 2009 -0700" }, "message": "PM/Hibernate: Fix waiting for image device to appear on resume\n\nCommit c751085943362143f84346d274e0011419c84202 (\"PM/Hibernate: Wait for\nSCSI devices scan to complete during resume\") added a call to\nscsi_complete_async_scans() to software_resume(), so that it waited for\nthe SCSI scanning to complete, but the call was added at a wrong place.\n\nNamely, it should have been added after wait_for_device_probe(), which\nis called only if the image partition hasn\u0027t been specified yet. Also,\nit\u0027s reasonable to check if the image partition is present and only wait\nfor the device probing and SCSI scanning to complete if it is not the\ncase.\n\nAdditionally, since noresume is checked right at the beginning of\nsoftware_resume() and the function returns immediately if it\u0027s set, it\ndoesn\u0027t make sense to check it once again later.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "418df63c2d94f238ac7e1d1d53be35dd6b7a7252", "tree": "d9ab346ae46a45a4bff12fe7dbc615b7469d17a5", "parents": [ "3e241ff0c57cb610301009fe8c3b9da4c6877800" ], "author": { "name": "Jonathan Corbet", "email": "corbet@lwn.net", "time": "Wed Apr 22 12:01:49 2009 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Apr 24 07:47:59 2009 -0700" }, "message": "Delete slow-work timers properly\n\nSlow-work appears to delete its timer as soon as the first user\nunregisters, even though other users could be active. At the same time, it\nnever seems to delete slow_work_oom_timer. Arrange for both to happen in\nthe shutdown path.\n\nSigned-off-by: Jonathan Corbet \u003ccorbet@lwn.net\u003e\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b48ccb095a0c9257241261ec2bd1cbb1bdabc48b", "tree": "09afbd51d935473674d8662358c992b65803d73c", "parents": [ "0300e7f1a525ae4e4ac05344624adf0e5f13ea52" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu Apr 23 09:36:52 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu Apr 23 09:36:52 2009 +0200" }, "message": "locking: clarify kernel-taint warning message\n\nAndi Kleen reported this message triggering on non-lockdep kernels:\n\n Disabling lockdep due to kernel taint\n\nClarify the message to say \u0027lock debugging\u0027 - debug_locks_off()\nturns off all things lock debugging, not just lockdep.\n\n[ Impact: change kernel warning message text ]\n\nReported-by: Andi Kleen \u003candi@firstfloor.org\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "4614e6adafa2c5e6c3a9c245af2807fa7bc5117a", "tree": "e4bb5eeaa252ede053abc6b3c4d15c4127ce7a32", "parents": [ "8e19608e8b5c001e4a66ce482edc474f05fb7355" ], "author": { "name": "Magnus Damm", "email": "damm@igel.co.jp", "time": "Tue Apr 21 12:24:02 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Apr 21 13:41:47 2009 -0700" }, "message": "clocksource: add enable() and disable() callbacks\n\nAdd enable() and disable() callbacks for clocksources.\n\nThis allows us to put unused clocksources in power save mode. The\nfunctions clocksource_enable() and clocksource_disable() wrap the\ncallbacks and are inserted in the timekeeping code to enable before use\nand disable after switching to a new clocksource.\n\nSigned-off-by: Magnus Damm \u003cdamm@igel.co.jp\u003e\nAcked-by: John Stultz \u003cjohnstul@us.ibm.com\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": "8e19608e8b5c001e4a66ce482edc474f05fb7355", "tree": "06af4be339136da7476396604c30112238d84339", "parents": [ "ff14ed5db6e7e5e5dc23712d3c877891d4d9a1a8" ], "author": { "name": "Magnus Damm", "email": "damm@igel.co.jp", "time": "Tue Apr 21 12:24:00 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Apr 21 13:41:47 2009 -0700" }, "message": "clocksource: pass clocksource to read() callback\n\nPass clocksource pointer to the read() callback for clocksources. This\nallows us to share the callback between multiple instances.\n\n[hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods]\n[akpm@linux-foundation.org: cleanup]\nSigned-off-by: Magnus Damm \u003cdamm@igel.co.jp\u003e\nAcked-by: John Stultz \u003cjohnstul@us.ibm.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Hugh Dickins \u003chugh@veritas.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6e29ec5701e9d44fa02b96c1c5c45f7516182b65", "tree": "16f9ebc56d995741a4041e81f1cdfc58f2161aaa", "parents": [ "ff743345bf7685a207868048a70e23164c4785e5" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Tue Apr 21 08:40:49 2009 +0530" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 21 08:06:05 2009 +0200" }, "message": "sched: Replace first_cpu() with cpumask_first() in ILB nomination code\n\nStephen Rothwell reported this build warning:\n\n\u003e kernel/sched.c: In function \u0027find_new_ilb\u0027:\n\u003e kernel/sched.c:4355: warning: passing argument 1 of \u0027__first_cpu\u0027 from incompatible pointer type\n\u003e\n\u003e Possibly caused by commit f711f6090a81cbd396b63de90f415d33f563af9b\n\u003e (\"sched: Nominate idle load balancer from a semi-idle package\") from\n\u003e the sched tree. Should this call to first_cpu be cpumask_first?\n\nFor !(CONFIG_SCHED_MC || CONFIG_SCHED_SMT), find_new_ilb() nominates the\nIdle load balancer as the first cpu from the nohz.cpu_mask.\n\nThis code uses the older API first_cpu(). Replace it with cpumask_first(),\nwhich is the correct API here.\n\n[ Impact: cleanup, address build warning ]\n\nReported-by: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nLKML-Reference: \u003c20090421031049.GA4140@in.ibm.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "24b6f16ecf37f918a1934d590e9e71c100d6388f", "tree": "14ea0e7f399c1608d0401e87655cc9332a3b9f33", "parents": [ "1644ccc8a99ae73859c39372f96afdbf03c9f80d" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Apr 18 03:25:41 2009 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Apr 20 23:01:15 2009 -0400" }, "message": "No need for crossing to mountpoint in audit_tag_tree()\n\nis_under() will DTRT anyway. And yes, is_subdir() behaviour\nis intentional.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "ff743345bf7685a207868048a70e23164c4785e5", "tree": "7cdb917ad5ac3aa7798b0358a246ddc46a363cdc", "parents": [ "13318a7186d8e0ae08c996ea4111a945e7789772" ], "author": { "name": "Peter Zijlstra", "email": "a.p.zijlstra@chello.nl", "time": "Fri Mar 13 12:21:26 2009 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Apr 20 20:49:53 2009 +0200" }, "message": "sched: remove extra call overhead for schedule()\n\nLai Jiangshan\u0027s patch reminded me that I promised Nick to remove\nthat extra call overhead in schedule().\n\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c20090313112300.927414207@chello.nl\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "6a7c7eaf71b636f197d73b381a2ab729ebdcfb2e", "tree": "73c642bff623c2f1a87f6c353b21e3484bd9e899", "parents": [ "ff54250a0ebab7f90a5f848a0ba63f999830c872" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Sun Apr 19 20:08:42 2009 +0200" }, "committer": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Sun Apr 19 20:08:42 2009 +0200" }, "message": "PM/Suspend: Introduce two new platform callbacks to avoid breakage\n\nCommit 900af0d973856d6feb6fc088c2d0d3fde57707d3 (PM: Change suspend\ncode ordering) changed the ordering of suspend code in such a way\nthat the platform .prepare() callback is now executed after the\ndevice drivers\u0027 late suspend callbacks have run. Unfortunately, this\nturns out to break ARM platforms that need to talk via I2C to power\ncontrol devices during the .prepare() callback.\n\nFor this reason introduce two new platform suspend callbacks,\n.prepare_late() and .wake(), that will be called just prior to\ndisabling non-boot CPUs and right after bringing them back on line,\nrespectively, and use them instead of .prepare() and .finish() for\nACPI suspend. Make the PM core execute the .prepare() and .finish()\nplatform suspend callbacks where they were executed previously (that\nis, right after calling the regular suspend methods provided by\ndevice drivers and right before executing their regular resume\nmethods, respectively).\n\nIt is not necessary to make analogous changes to the hibernation\ncode and data structures at the moment, because they are only used\nby ACPI platforms.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nReported-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\nAcked-by: Len Brown \u003clen.brown@intel.com\u003e\n" }, { "commit": "ff54250a0ebab7f90a5f848a0ba63f999830c872", "tree": "09a93c03def4a2ace3fef25f4d6fa48ef2f5629c", "parents": [ "8d4ab5daca4b3bf9c9166908db0c436722d52e77" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Apr 18 21:44:24 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Apr 18 21:44:24 2009 -0700" }, "message": "Remove \u0027recurse into child resources\u0027 logic from \u0027reserve_region_with_split()\u0027\n\nThis function is not actually used right now, since the original use\ncase for it was done with insert_resource_expand_to_fit() instead.\n\nHowever, we now have another usage case that wants to basically do a\n\"reserve IO resource, splitting around existing resources\", however that\none doesn\u0027t actually want the \"recurse into the conflicting resource\"\nlogic at all.\n\nAnd since recursing into the conflicting resource was the most complex\npart, and isn\u0027t wanted, just remove it. Maybe we\u0027ll some day want both\nversions, but we can just resurrect the logic then.\n\nTested-by: Yinghai Lu \u003cyinghai@kernel.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c8a250058656495be02c00de61e26b017c86ef00", "tree": "d192a7a21deb47146654ab4dc3c824f0cfd5808a", "parents": [ "79d381c9f2354b594dcab9b04dfcc0debf7294fe" ], "author": { "name": "Peter Zijlstra", "email": "peterz@infradead.org", "time": "Fri Apr 17 09:40:49 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 17 18:00:00 2009 +0200" }, "message": "lockdep: more robust lockdep_map init sequence\n\nSteven Rostedt reported:\n\n\u003e OK, I think I figured this bug out. This is a lockdep issue with respect\n\u003e to tracepoints.\n\u003e\n\u003e The trace points in lockdep are called all the time. Outside the lockdep\n\u003e logic. But if lockdep were to trigger an error / warning (which this run\n\u003e did) we might be in trouble. For new locks, like the dentry-\u003ed_lock, that\n\u003e are created, they will not get a name:\n\u003e\n\u003e void lockdep_init_map(struct lockdep_map *lock, const char *name,\n\u003e struct lock_class_key *key, int subclass)\n\u003e {\n\u003e if (unlikely(!debug_locks))\n\u003e return;\n\u003e\n\u003e When a problem is found by lockdep, debug_locks becomes false. Thus we\n\u003e stop allocating names for locks. This dentry-\u003ed_lock I had, now has no\n\u003e name. Worse yet, I have CONFIG_DEBUG_VM set, that scrambles non\n\u003e initialized memory. Thus, when the trace point was hit, it had junk for\n\u003e the lock-\u003ename, and the machine crashed.\n\nAh, nice catch. I think we should put at least the name in regardless.\n\nEnsure we at least initialize the trivial entries of the depmap so that\nthey can be relied upon, even when lockdep itself decided to pack up and\ngo home.\n\n[ Impact: fix lock tracing after lockdep warnings. ]\n\nReported-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nLKML-Reference: \u003c1239954049.23397.4156.camel@laptop\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "9f76208c33984ab777eace5d07a4e36e88703e02", "tree": "2a73304a846ab41ee5366deb6ea511af7ebfbec1", "parents": [ "d06be221504189f38950111c214802ada0eb1b71", "557055bebe9212dfa6b9f5df811dfd0dac77ec55" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 16 18:17:22 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 16 18:17:22 2009 -0700" }, "message": "Merge branch \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n tracing: Fix branch tracer header\n tracing: Fix power tracer header\n" }, { "commit": "d06be221504189f38950111c214802ada0eb1b71", "tree": "bee2ed72066d8f517d86c2280cb450f249e0f12d", "parents": [ "4d831f53ddd5c0117ff40f841cf330c78d242e82", "381512cf3d27f63f7a45b1bbe7d2d609c2ea3b74" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 16 18:16:29 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 16 18:16:29 2009 -0700" }, "message": "Merge branch \u0027sched-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027sched-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n sched: Avoid printing sched_group::__cpu_power for default case\n tracing, sched: mark get_parent_ip() notrace\n" }, { "commit": "4d831f53ddd5c0117ff40f841cf330c78d242e82", "tree": "29bca9f045f22af41a7a059afba85f5eb74ab267", "parents": [ "20d9207849d5abe60461841b3c3724f6e7c9d33e", "79d381c9f2354b594dcab9b04dfcc0debf7294fe" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 16 17:56:39 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 16 17:56:39 2009 -0700" }, "message": "Merge branch \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n kernel/softirq.c: fix sparse warning\n rcu: Make hierarchical RCU less IPI-happy\n" }, { "commit": "79d381c9f2354b594dcab9b04dfcc0debf7294fe", "tree": "e3b9264b52c443bfa7508850e1ca0c17271a1779", "parents": [ "ef631b0ca01655d24e9ca7e199262c4a46416a26" ], "author": { "name": "H Hartley Sweeten", "email": "hartleys@visionengravers.com", "time": "Thu Apr 16 19:30:18 2009 -0400" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 17 01:57:54 2009 +0200" }, "message": "kernel/softirq.c: fix sparse warning\n\nFix sparse warning in kernel/softirq.c.\n\n warning: do-while statement is not a compound statement\n\nSigned-off-by: H Hartley Sweeten \u003chsweeten@visionengravers.com\u003e\nLKML-Reference: \u003cBD79186B4FD85F4B8E60E381CAEE1909015F9033@mi8nycmail19.Mi8.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "381512cf3d27f63f7a45b1bbe7d2d609c2ea3b74", "tree": "f401d1c8d3cc859d10f2c05485cc79c8fd9e3fbf", "parents": [ "132380a06b24704fd6c9be55c44d4ef3972cead2" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Tue Apr 14 09:09:36 2009 +0530" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 17 00:46:05 2009 +0200" }, "message": "sched: Avoid printing sched_group::__cpu_power for default case\n\nCommit 46e0bb9c12f4 (\"sched: Print sched_group::__cpu_power\nin sched_domain_debug\") produces a messy dmesg output while\nattempting to print the sched_group::__cpu_power for each\ngroup in the sched_domain hierarchy.\n\nFix this by avoid printing the __cpu_power for default cases.\n(i.e, __cpu_power \u003d\u003d SCHED_LOAD_SCALE).\n\n[ Impact: reduce syslog clutter ]\n\nReported-by: Tony Luck \u003ctony.luck@intel.com\u003e\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nFixed-by: Tony Luck \u003ctony.luck@intel.com\u003e\nCc: a.p.zijlstra@chello.nl\nLKML-Reference: \u003c20090414033936.GA534@in.ibm.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "5b1d07ed0e5b2707f786957c7a40eb2f399c84a8", "tree": "3cfb5d2004dd9858ef9d4d08f6cdc42b886354fb", "parents": [ "da60682c116855cf342926b4f3427079400ee7e6" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Wed Apr 15 19:35:01 2009 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Apr 15 13:55:14 2009 -0700" }, "message": "RCU: Don\u0027t try and predeclare inline funcs as it upsets some versions of gcc\n\nDon\u0027t try and predeclare inline funcs like this:\n\n\tstatic inline void wait_migrated_callbacks(void)\n\t...\n\tstatic void _rcu_barrier(enum rcu_barrier type)\n\t{\n\t\t...\n\t\twait_migrated_callbacks();\n\t}\n\t...\n\tstatic inline void wait_migrated_callbacks(void)\n\t{\n\t\twait_event(rcu_migrate_wq, !atomic_read(\u0026rcu_migrate_type_count));\n\t}\n\nas it upsets some versions of gcc under some circumstances:\n\n\tkernel/rcupdate.c: In function `_rcu_barrier\u0027:\n\tkernel/rcupdate.c:125: sorry, unimplemented: inlining failed in call to \u0027wait_migrated_callbacks\u0027: function body not available\n\tkernel/rcupdate.c:152: sorry, unimplemented: called from here\n\nThis can be dealt with by simply putting the static variables (rcu_migrate_*)\nat the top, and moving the implementation of the function up so that it\nreplaces its forward declaration.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nCc: Dipankar Sarma \u003cdipankar@in.ibm.com\u003e\nCc: Paul E. McKenney \u003cpaulmck@linux.vnet.ibm.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "13318a7186d8e0ae08c996ea4111a945e7789772", "tree": "1260da0d89fae5cd50419cfdba8cf0a7ee352c37", "parents": [ "78ddb08feb7d4fbe3c0a9931804c51ee58be4023" ], "author": { "name": "Miao Xie", "email": "miaox@cn.fujitsu.com", "time": "Wed Apr 15 09:59:10 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Apr 15 13:34:07 2009 +0200" }, "message": "sched: use group_first_cpu() instead of cpumask_first(sched_group_cpus())\n\nImpact: cleanup\n\nThis patch changes cpumask_first(sched_group_cpus()) to group_first_cpu()\nfor maintainability.\n\nSigned-off-by: Miao Xie \u003cmiaox@cn.fujitsu.com\u003e\nAcked-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "297dbf50d7ab0539cf9cf7f2a66918665a18e45e", "tree": "56259196991d500a9e503613182a4ffe868b932e", "parents": [ "b1fffc9ca6ca4c3feef3a7e8405252d528d312dc" ], "author": { "name": "Nikanth Karthikesan", "email": "knikanth@suse.de", "time": "Wed Apr 15 10:37:04 2009 +0530" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Apr 15 12:10:13 2009 +0200" }, "message": "swap: Remove code handling bio_alloc failure with __GFP_WAIT\n\nRemove code handling bio_alloc failure with __GFP_WAIT.\n\nSigned-off-by: Nikanth Karthikesan \u003cknikanth@suse.de\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "78ddb08feb7d4fbe3c0a9931804c51ee58be4023", "tree": "3cd3485561a9ac036003fd4da41fdc485cd5ac71", "parents": [ "e790fb0ba64bfec158e1219d899cb588275d12ab" ], "author": { "name": "Johannes Weiner", "email": "hannes@cmpxchg.org", "time": "Tue Apr 14 16:53:05 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 17:17:16 2009 +0200" }, "message": "wait: don\u0027t use __wake_up_common()\n\n\u0027777c6c5 wait: prevent exclusive waiter starvation\u0027 made\n__wake_up_common() global to be used from abort_exclusive_wait().\n\nIt was needed to do a wake-up with the waitqueue lock held while\npassing down a key to the wake-up function.\n\nSince \u00274ede816 epoll keyed wakeups: add __wake_up_locked_key() and\n__wake_up_sync_key()\u0027 there is an appropriate wrapper for this case:\n__wake_up_locked_key().\n\nUse it here and make __wake_up_common() private to the scheduler\nagain.\n\nSigned-off-by: Johannes Weiner \u003channes@cmpxchg.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c1239720785-19661-1-git-send-email-hannes@cmpxchg.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "6ec3cfeca04622e3d80c9270191cd7f5f88214af", "tree": "ba9d66ec365e59842fe97d72855c6065763dfe98", "parents": [ "b21597d0268983f8f9e8b563494f75490403e948" ], "author": { "name": "Pallipadi, Venkatesh", "email": "venkatesh.pallipadi@intel.com", "time": "Mon Apr 13 15:20:58 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 15:21:13 2009 +0200" }, "message": "x86, irq: Remove IRQ_DISABLED check in process context IRQ move\n\nAs discussed in the thread here:\n\n http://marc.info/?l\u003dlinux-kernel\u0026m\u003d123964468521142\u0026w\u003d2\n\nEric W. Biederman observed:\n\n\u003e It looks like some additional bugs have slipped in since last I looked.\n\u003e\n\u003e set_irq_affinity does this:\n\u003e ifdef CONFIG_GENERIC_PENDING_IRQ\n\u003e if (desc-\u003estatus \u0026 IRQ_MOVE_PCNTXT || desc-\u003estatus \u0026 IRQ_DISABLED) {\n\u003e cpumask_copy(desc-\u003eaffinity, cpumask);\n\u003e desc-\u003echip-\u003eset_affinity(irq, cpumask);\n\u003e } else {\n\u003e desc-\u003estatus |\u003d IRQ_MOVE_PENDING;\n\u003e cpumask_copy(desc-\u003epending_mask, cpumask);\n\u003e }\n\u003e #else\n\u003e\n\u003e That IRQ_DISABLED case is a software state and as such it has nothing to\n\u003e do with how safe it is to move an irq in process context.\n\n[...]\n\n\u003e\n\u003e The only reason we migrate MSIs in interrupt context today is that there\n\u003e wasn\u0027t infrastructure for support migration both in interrupt context\n\u003e and outside of it.\n\nYes. The idea here was to force the MSI migration to happen in process\ncontext. One of the patches in the series did\n\n disable_irq(dev-\u003eirq);\n irq_set_affinity(dev-\u003eirq, cpumask_of(dev-\u003ecpu));\n enable_irq(dev-\u003eirq);\n\nwith the above patch adding irq/manage code check for interrupt disabled\nand moving the interrupt in process context.\n\nIIRC, there was no IRQ_MOVE_PCNTXT when we were developing this HPET\ncode and we ended up having this ugly hack. IRQ_MOVE_PCNTXT was there\nwhen we eventually submitted the patch upstream. But, looks like I did a\nblind rebasing instead of using IRQ_MOVE_PCNTXT in hpet MSI code.\n\nBelow patch fixes this. i.e., revert commit 932775a4ab622e3c99bd59f14cc\nand add PCNTXT to HPET MSI setup. Also removes copying of desc-\u003eaffinity\nin generic code as set_affinity routines are doing it internally.\n\nReported-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nAcked-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: \"Li Shaohua\" \u003cshaohua.li@intel.com\u003e\nCc: Gary Hade \u003cgaryhade@us.ibm.com\u003e\nCc: \"lcm@us.ibm.com\" \u003clcm@us.ibm.com\u003e\nCc: suresh.b.siddha@intel.com\nLKML-Reference: \u003c20090413222058.GB8211@linux-os.sc.intel.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "e790fb0ba64bfec158e1219d899cb588275d12ab", "tree": "f4eda89681e027cd617881773ab0559d9fced430", "parents": [ "f711f6090a81cbd396b63de90f415d33f563af9b" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Tue Apr 14 10:25:35 2009 +0530" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 11:49:19 2009 +0200" }, "message": "sched: Nominate a power-efficient ilb in select_nohz_balancer()\n\nThe CPU that first goes idle becomes the idle-load-balancer and remains\nthat until either it picks up a task or till all the CPUs of the system\ngoes idle.\n\nOptimize this further to allow it to relinquish it\u0027s post\nonce all it\u0027s siblings in the power-aware sched_domain go idle, thereby\nallowing the whole package-core to go idle. While relinquising the post,\nnominate another an idle-load balancer from a semi-idle core/package.\n\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nAcked-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c20090414045535.7645.31641.stgit@sofia.in.ibm.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "f711f6090a81cbd396b63de90f415d33f563af9b", "tree": "b2212ddcae5a88a1ca6a521a892003af1d5a35bc", "parents": [ "002f128b473fb82f454654be5081b0919ee01ab2" ], "author": { "name": "Gautham R Shenoy", "email": "ego@in.ibm.com", "time": "Tue Apr 14 10:25:30 2009 +0530" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 11:49:19 2009 +0200" }, "message": "sched: Nominate idle load balancer from a semi-idle package.\n\nCurrently the nomination of idle-load balancer is done by choosing the first\nidle cpu in the nohz.cpu_mask. This may not be power-efficient, since\nsuch an idle cpu could come from a completely idle core/package thereby\npreventing the whole core/package from being in a low-power state.\n\nFor eg, consider a quad-core dual package system. The cpu numbering need\nnot be sequential and can something like [0, 2, 4, 6] and [1, 3, 5, 7].\nWith sched_mc/smt_power_savings and the power-aware IRQ balance, we try to keep\nas fewer Packages/Cores active. But the current idle load balancer logic\ngoes against this by choosing the first_cpu in the nohz.cpu_mask and not\ntaking the system topology into consideration.\n\nImprove the algorithm to nominate the idle load balancer from a semi idle\ncores/packages thereby increasing the probability of the cores/packages being\nin deeper sleep states for longer duration.\n\nThe algorithm is activated only when sched_mc/smt_power_savings !\u003d 0.\n\nSigned-off-by: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nAcked-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c20090414045530.7645.12175.stgit@sofia.in.ibm.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "ef631b0ca01655d24e9ca7e199262c4a46416a26", "tree": "0ef86d5b97c6e2de500e639ebb92da8f2ec8c863", "parents": [ "27b19565fe4ca5b0e9d2ae98ce4b81ca728bf445" ], "author": { "name": "Paul E. McKenney", "email": "paulmck@linux.vnet.ibm.com", "time": "Mon Apr 13 21:31:16 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 11:31:50 2009 +0200" }, "message": "rcu: Make hierarchical RCU less IPI-happy\n\nThis patch fixes a hierarchical-RCU performance bug located by Anton\nBlanchard. The problem stems from a misguided attempt to provide a\nwork-around for jiffies-counter failure. This work-around uses a per-CPU\nn_rcu_pending counter, which is incremented on each call to rcu_pending(),\nwhich in turn is called from each scheduling-clock interrupt. Each CPU\nthen treats this counter as a surrogate for the jiffies counter, so\nthat if the jiffies counter fails to advance, the per-CPU n_rcu_pending\ncounter will cause RCU to invoke force_quiescent_state(), which in turn\nwill (among other things) send resched IPIs to CPUs that have thus far\nfailed to pass through an RCU quiescent state.\n\nUnfortunately, each CPU resets only its own counter after sending a\nbatch of IPIs. This means that the other CPUs will also (needlessly)\nsend -another- round of IPIs, for a full N-squared set of IPIs in the\nworst case every three scheduler-clock ticks until the grace period\nfinally ends. It is not reasonable for a given CPU to reset each and\nevery n_rcu_pending for all the other CPUs, so this patch instead simply\ndisables the jiffies-counter \"training wheels\", thus eliminating the\nexcessive IPIs.\n\nNote that the jiffies-counter IPIs do not have this problem due to\nthe fact that the jiffies counter is global, so that the CPU sending\nthe IPIs can easily reset things, thus preventing the other CPUs from\nsending redundant IPIs.\n\nNote also that the n_rcu_pending counter remains, as it will continue to\nbe used for tracing. It may also see use to update the jiffies counter,\nshould an appropriate kick-the-jiffies-counter API appear.\n\nLocated-by: Anton Blanchard \u003canton@au1.ibm.com\u003e\nTested-by: Anton Blanchard \u003canton@au1.ibm.com\u003e\nSigned-off-by: Paul E. McKenney \u003cpaulmck@linux.vnet.ibm.com\u003e\nCc: anton@samba.org\nCc: akpm@linux-foundation.org\nCc: dipankar@in.ibm.com\nCc: manfred@colorfullife.com\nCc: cl@linux-foundation.org\nCc: josht@linux.vnet.ibm.com\nCc: schamp@sgi.com\nCc: niv@us.ibm.com\nCc: dvhltc@us.ibm.com\nCc: ego@in.ibm.com\nCc: laijs@cn.fujitsu.com\nCc: rostedt@goodmis.org\nCc: peterz@infradead.org\nCc: penberg@cs.helsinki.fi\nCc: andi@firstfloor.org\nCc: \"Paul E. McKenney\" \u003cpaulmck@linux.vnet.ibm.com\u003e\nLKML-Reference: \u003c12396834793575-git-send-email-\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "557055bebe9212dfa6b9f5df811dfd0dac77ec55", "tree": "bd396effa5011a2fc687a3cd887f8235a1d1977e", "parents": [ "a3d03ecaf9fe722bf96e4ef4a2f5e42ef652ddeb" ], "author": { "name": "Zhaolei", "email": "zhaolei@cn.fujitsu.com", "time": "Mon Apr 13 16:02:34 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 02:30:36 2009 +0200" }, "message": "tracing: Fix branch tracer header\n\nBefore patch:\n\n # tracer: branch\n #\n # TASK-PID CPU# TIMESTAMP FUNCTION\n # | | | | |\n \u003c...\u003e-2981 [000] 24008.872738: [ ok ] trace_irq_handler_exit:irq_event_types.h:41\n \u003c...\u003e-2981 [000] 24008.872742: [ ok ] note_interrupt:spurious.c:229\n ...\n\nAfter patch:\n\n # tracer: branch\n #\n # TASK-PID CPU# TIMESTAMP CORRECT FUNC:FILE:LINE\n # | | | | | |\n \u003c...\u003e-2985 [000] 26329.142970: [ ok ] slab_free:slub.c:1776\n \u003c...\u003e-2985 [000] 26329.142972: [ ok ] trace_kmem_cache_free:kmem_event_types.h:191\n ...\n\nSigned-off-by: Zhao Lei \u003czhaolei@cn.fujitsu.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nLKML-Reference: \u003c49E2F19A.3040006@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "132380a06b24704fd6c9be55c44d4ef3972cead2", "tree": "aa3fc07fc990efae702484c01e141b0355a98948", "parents": [ "2e1c63b7ed36532b68f0eddd6a184d7ba1013b89" ], "author": { "name": "Lai Jiangshan", "email": "laijs@cn.fujitsu.com", "time": "Thu Apr 02 14:18:25 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Apr 14 02:11:05 2009 +0200" }, "message": "tracing, sched: mark get_parent_ip() notrace\n\nImpact: remove overly redundant tracing entries\n\nWhen tracer is \"function\" or \"function_graph\", way too much\n\"get_parent_ip\" entries are recorded in ring_buffer.\n\nSigned-off-by: Lai Jiangshan \u003claijs@cn.fujitsu.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nAcked-by: Steven Rostedt \u003csrostedt@redhat.com\u003e\nLKML-Reference: \u003c49D458B1.5000703@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "3d26dcf7679c5cc6c9f3b95ffdb2152fba2b7fae", "tree": "4d2b6f5e36a20ed02021a1956b53a5ef6d6f8932", "parents": [ "4cafbd0b94d2c8cae6ede6d1c3ab90547547a3d2" ], "author": { "name": "Andi Kleen", "email": "andi@firstfloor.org", "time": "Mon Apr 13 14:40:08 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 15:04:32 2009 -0700" }, "message": "kernel/sys.c: clean up sys_shutdown exit path\n\nImpact: cleanup, fix\n\nClean up sys_shutdown() exit path. Factor out common code. Return\ncorrect error code instead of always 0 on failure.\n\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f1671f6d783a2385d32e11f456cbe32f0e4b4b49", "tree": "3d2dd4672db69b9d3b7f35e06b0fb90ca4d8cc12", "parents": [ "7b102d034c0affc6ee703b576f2496ec6cb81d79" ], "author": { "name": "Oleg Nesterov", "email": "oleg@redhat.com", "time": "Mon Apr 13 14:40:03 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 15:04:31 2009 -0700" }, "message": "ptrace: fix exit_ptrace() vs ptrace_traceme() race\n\nPointed out by Roland. The bug was recently introduced by me in\n\"forget_original_parent: split out the un-ptrace part\", commit\n39c626ae47c469abdfd30c6e42eff884931380d6.\n\nSince that patch we have a window after exit_ptrace() drops tasklist and\nbefore forget_original_parent() takes it again. In this window the child\ncan do ptrace(PTRACE_TRACEME) and nobody can untrace this child after\nthat.\n\nChange ptrace_traceme() to not attach to the exiting -\u003ereal_parent. We\ndon\u0027t report the error in this case, we pretend we attach right before\n-\u003ereal_parent calls exit_ptrace() which should untrace us anyway.\n\nSigned-off-by: Oleg Nesterov \u003coleg@redhat.com\u003e\nAcked-by: Roland McGrath \u003croland@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "4be6f6bb66111c9468733a4ed9cad10dc3a762c0", "tree": "eee3bef65f88ab01bf93493a67dd2f5829973b14", "parents": [ "3c1795cc4bd9d57281bebc314315b8afa217b9c7" ], "author": { "name": "Peter Zijlstra", "email": "peterz@infradead.org", "time": "Mon Apr 13 14:39:33 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 15:04:28 2009 -0700" }, "message": "mm: move the scan_unevictable_pages sysctl to the vm table\n\nvm knobs should go in the vm table. Probably too late for\nrandomize_va_space though.\n\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nAcked-by: Lee Schermerhorn \u003clee.schermerhorn@hp.com\u003e\nAcked-by: Rik van Riel \u003criel@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a3d03ecaf9fe722bf96e4ef4a2f5e42ef652ddeb", "tree": "f845537695b6164b2feb9f4c6d356174a602001d", "parents": [ "80a04d3f2f94fb68b5df05e3ac6697130bc3467a" ], "author": { "name": "Zhaolei", "email": "zhaolei@cn.fujitsu.com", "time": "Mon Apr 13 15:23:53 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Apr 13 23:39:57 2009 +0200" }, "message": "tracing: Fix power tracer header\n\nBefore patch:\n # tracer: power\n #\n # TASK-PID CPU# TIMESTAMP FUNCTION\n # | | | | |\n [ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463\n [ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532\n ...\n\nAfter patch:\n # tracer: power\n #\n # TIMESTAMP STATE EVENT\n # | | |\n [ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463\n [ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532\n ...\n\nv2: Use seq_puts instead of seq_printf\n\nSigned-off-by: Zhao Lei \u003czhaolei@cn.fujitsu.com\u003e\nCc: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nLKML-Reference: \u003c49E2E889.5000903@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "c751085943362143f84346d274e0011419c84202", "tree": "5323da4e3eba8126bf44e5107960ee2323d28a16", "parents": [ "7b11428d37fe65643172feff66cd0a4d72d1932a" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Sun Apr 12 20:06:56 2009 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 11:37:07 2009 -0700" }, "message": "PM/Hibernate: Wait for SCSI devices scan to complete during resume\n\nThere is a race between resume from hibernation and the asynchronous\nscanning of SCSI devices and to prevent it from happening we need to\ncall scsi_complete_async_scans() during resume from hibernation.\n\nIn addition, if the resume from hibernation is userland-driven, it\u0027s\nbetter to wait for all device probes in the kernel to complete before\nattempting to open the resume device.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nAcked-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "8255309b887fcac11f791913a2d1d0b966a40d32", "tree": "ae2d43366b946ab0968762a2b68cc862983db372", "parents": [ "bf20753c0cdf842c5c65af688c2cefd1eafa7630", "44e9c8b7adc52079f0535f9de0c2c2477831389b" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 11:31:28 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 11:31:28 2009 -0700" }, "message": "Merge branch \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n tracing/filters: return proper error code when writing filter file\n tracing/filters: allow user input integer to be oct or hex\n tracing/filters: fix NULL pointer dereference\n tracing/filters: NIL-terminate user input filter\n ftrace: Output REC-\u003evar instead of __entry-\u003evar for trace format\n Make __stringify support variable argument macros too\n tracing: fix document references\n tracing: fix splice return too large\n tracing: update file-\u003ef_pos when splice(2) it\n tracing: allocate page when needed\n tracing: disable seeking for trace_pipe_raw\n" }, { "commit": "bf20753c0cdf842c5c65af688c2cefd1eafa7630", "tree": "8431fb73349b928d93ce02e24c1c993562fa1f95", "parents": [ "01599fca6758d2cd133e78f87426fc851c9ea725", "574bbe782057fdf0490dc7dec906a2dc26363e20" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 11:30:26 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 11:30:26 2009 -0700" }, "message": "Merge branch \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n lockdep: continue lock debugging despite some taints\n lockdep: warn about lockdep disabling after kernel taint\n" }, { "commit": "d811f236d90e58c67092eaadacab609e76c38749", "tree": "52b7d911948cf6a50f9a54abb6b91890ff9a8a72", "parents": [ "29a1e26febf4bd6eecab2a17a056c177d3627788", "066123a535927b3f17cac2305258cc71abdb0d92" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 08:22:43 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Apr 13 08:22:43 2009 -0700" }, "message": "Merge branch \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n percpu: unbreak alpha percpu\n mutex: have non-spinning mutexes on s390 by default\n" }, { "commit": "574bbe782057fdf0490dc7dec906a2dc26363e20", "tree": "b322a752f4feb603fe2b2669fad682a79e7479c3", "parents": [ "9eeba6138cefc0435695463ddadb0d95e0a6bcd2" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Sat Apr 11 03:17:18 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Apr 12 16:10:52 2009 +0200" }, "message": "lockdep: continue lock debugging despite some taints\n\nImpact: broaden lockdep checks\n\nLockdep is disabled after any kernel taints. This might be convenient\nto ignore bad locking issues which sources come from outside the kernel\ntree. Nevertheless, it might be a frustrating experience for the\nstaging developers or those who experience a warning but are focused\non another things that require lockdep.\n\nThe v2 of this patch simply don\u0027t disable anymore lockdep in case\nof TAINT_CRAP and TAINT_WARN events.\n\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: LTP \u003cltp-list@lists.sourceforge.net\u003e\nCc: Peter Zijlstra \u003cpeterz@infradead.org\u003e\nCc: Greg KH \u003cgregkh@suse.de\u003e\nLKML-Reference: \u003c1239412638-6739-2-git-send-email-fweisbec@gmail.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "9eeba6138cefc0435695463ddadb0d95e0a6bcd2", "tree": "daba646e5ddd27132e9679aa3eabec389bf4722e", "parents": [ "066123a535927b3f17cac2305258cc71abdb0d92" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Sat Apr 11 03:17:17 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Apr 12 16:10:51 2009 +0200" }, "message": "lockdep: warn about lockdep disabling after kernel taint\n\nImpact: provide useful missing info for developers\n\nKernel taint can occur in several situations such as warnings,\nload of prorietary or staging modules, bad page, etc...\n\nBut when such taint happens, a developer might still be working on\nthe kernel, expecting that lockdep is still enabled. But a taint\ndisables lockdep without ever warning about it.\nSuch a kernel behaviour doesn\u0027t really help for kernel development.\n\nThis patch adds this missing warning.\n\nSince the taint is done most of the time after the main message that\nexplain the real source issue, it seems safe to warn about it inside\nadd_taint() so that it appears at last, without hurting the main\ninformation.\n\nv2: Use a generic helper to disable lockdep instead of an\n open coded xchg().\n\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Peter Zijlstra \u003cpeterz@infradead.org\u003e\nLKML-Reference: \u003c1239412638-6739-1-git-send-email-fweisbec@gmail.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "44e9c8b7adc52079f0535f9de0c2c2477831389b", "tree": "4c021dd16a8329f8543a97310081724015c81fc6", "parents": [ "a3e0ab050774117d4a6173087c8bf3888662a83f" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Sat Apr 11 15:55:28 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Apr 12 11:59:29 2009 +0200" }, "message": "tracing/filters: return proper error code when writing filter file\n\n- propagate return value of filter_add_pred() to the user\n\n- return -ENOSPC but not -ENOMEM or -EINVAL when the filter array\n is full\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nLKML-Reference: \u003c49E04CF0.3010105@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "a3e0ab050774117d4a6173087c8bf3888662a83f", "tree": "91d0f5c56a6b01d06c18864e5bcd8ec2c3405eb8", "parents": [ "bcabd91c271e50eebc0cb9220ac92700332b452e" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Sat Apr 11 15:52:51 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Apr 12 11:59:28 2009 +0200" }, "message": "tracing/filters: allow user input integer to be oct or hex\n\nBefore patch:\n\n # echo \u0027parent_pid \u003d\u003d 0x10\u0027 \u003e events/sched/sched_process_fork/filter\n # cat sched/sched_process_fork/filter\n parent_pid \u003d\u003d 0\n\nAfter patch:\n\n # cat sched/sched_process_fork/filter\n parent_pid \u003d\u003d 16\n\nAlso check the input more strictly.\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nLKML-Reference: \u003c49E04C53.4010600@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "bcabd91c271e50eebc0cb9220ac92700332b452e", "tree": "5513a154d06b4ad1737e6787feeab5d2573f2c43", "parents": [ "8433a40eb7f2c4883ad57f9900f63e4d59240eb7" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Sat Apr 11 15:52:35 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Apr 12 11:59:28 2009 +0200" }, "message": "tracing/filters: fix NULL pointer dereference\n\nTry this, and you\u0027ll see NULL pointer dereference bug:\n\n # echo -n \u0027parent_comm \u003d\u003d\u0027 \u003e sched/sched_process_fork/filter\n\nBecause we passed NULL ptr to simple_strtoull().\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nLKML-Reference: \u003c49E04C43.1050504@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "8433a40eb7f2c4883ad57f9900f63e4d59240eb7", "tree": "7fab36945d0266ca00a9a13c2061cc2a0a2ae5dc", "parents": [ "0462b5664b2bda5a18fef7efb5bb32ce36590c1a" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Sat Apr 11 15:52:18 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Apr 12 11:59:27 2009 +0200" }, "message": "tracing/filters: NIL-terminate user input filter\n\nMake sure messages from user space are NIL-terminated strings,\notherwise we could dump random memory while reading filter file.\n\nTry this:\n # echo \u0027parent_comm \u003d\u003d\u0027 \u003e events/sched/sched_process_fork/filter\n # cat events/sched/sched_process_fork/filter\n parent_comm \u003d\u003d �\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nLKML-Reference: \u003c49E04C32.6060508@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "d6de2c80e9d758d2e36c21699117db6178c0f517", "tree": "8f581ff1b8bce93fdeac949e0549c791d1ce52f9", "parents": [ "7933a3cfba017330ebb25f9820cb25ec9cdd67cc" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Apr 10 12:17:41 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Apr 11 12:44:49 2009 -0700" }, "message": "async: Fix module loading async-work regression\n\nSeveral drivers use asynchronous work to do device discovery, and we\nsynchronize with them in the compiled-in case before we actually try to\nmount root filesystems etc.\n\nHowever, when compiled as modules, that synchronization is missing - the\nmodule loading completes, but the driver hasn\u0027t actually finished\nprobing for devices, and that means that any user mode that expects to\nuse the devices after the \u0027insmod\u0027 is now potentially broken.\n\nWe already saw one case of a similar issue in the ACPI battery code,\nwhere the kernel itself expected the module to be all done, and unmapped\nthe init memory - but the async device discovery was still running.\nThat got hacked around by just removing the \"__init\" (see commit\n5d38258ec026921a7b266f4047ebeaa75db358e5 \"ACPI battery: fix async boot\noops\"), but the real fix is to just make the module loading wait for all\nasync work to be completed.\n\nIt will slow down module loading, but since common devices should be\nbuilt in anyway, and since the bug is really annoying and hard to handle\nfrom user space (and caused several S3 resume regressions), the simple\nfix to wait is the right one.\n\nThis fixes at least\n\n\thttp://bugzilla.kernel.org/show_bug.cgi?id\u003d13063\n\nbut probably a few other bugzilla entries too (12936, for example), and\nis confirmed to fix Rafael\u0027s storage driver breakage after resume bug\nreport (no bugzilla entry).\n\nWe should also be able to now revert that ACPI battery fix.\n\nReported-and-tested-by: Rafael J. Wysocki \u003crjw@suse.com\u003e\nTested-by: Heinz Diehl \u003chtd@fancy-poultry.org\u003e\nAcked-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" } ], "next": "0462b5664b2bda5a18fef7efb5bb32ce36590c1a" }