)]}' { "log": [ { "commit": "df9ee29270c11dba7d0fe0b83ce47a4d8e8d2101", "tree": "0c9a87ef1ea042c4432f122c3d03614d21156fc1", "parents": [ "ca4d3e6746bdcfccb517349bce2d2c5b5614fb6f" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu Oct 07 14:08:55 2010 +0100" }, "committer": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu Oct 07 14:08:55 2010 +0100" }, "message": "Fix IRQ flag handling naming\n\nFix the IRQ flag handling naming. In linux/irqflags.h under one configuration,\nit maps:\n\n\tlocal_irq_enable() -\u003e raw_local_irq_enable()\n\tlocal_irq_disable() -\u003e raw_local_irq_disable()\n\tlocal_irq_save() -\u003e raw_local_irq_save()\n\t...\n\nand under the other configuration, it maps:\n\n\traw_local_irq_enable() -\u003e local_irq_enable()\n\traw_local_irq_disable() -\u003e local_irq_disable()\n\traw_local_irq_save() -\u003e local_irq_save()\n\t...\n\nThis is quite confusing. There should be one set of names expected of the\narch, and this should be wrapped to give another set of names that are expected\nby users of this facility.\n\nChange this to have the arch provide:\n\n\tflags \u003d arch_local_save_flags()\n\tflags \u003d arch_local_irq_save()\n\tarch_local_irq_restore(flags)\n\tarch_local_irq_disable()\n\tarch_local_irq_enable()\n\tarch_irqs_disabled_flags(flags)\n\tarch_irqs_disabled()\n\tarch_safe_halt()\n\nThen linux/irqflags.h wraps these to provide:\n\n\traw_local_save_flags(flags)\n\traw_local_irq_save(flags)\n\traw_local_irq_restore(flags)\n\traw_local_irq_disable()\n\traw_local_irq_enable()\n\traw_irqs_disabled_flags(flags)\n\traw_irqs_disabled()\n\traw_safe_halt()\n\nwith type checking on the flags \u0027arguments\u0027, and then wraps those to provide:\n\n\tlocal_save_flags(flags)\n\tlocal_irq_save(flags)\n\tlocal_irq_restore(flags)\n\tlocal_irq_disable()\n\tlocal_irq_enable()\n\tirqs_disabled_flags(flags)\n\tirqs_disabled()\n\tsafe_halt()\n\nwith tracing included if enabled.\n\nThe arch functions can now all be inline functions rather than some of them\nhaving to be macros.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e [X86, FRV, MN10300]\nSigned-off-by: Chris Metcalf \u003ccmetcalf@tilera.com\u003e [Tile]\nSigned-off-by: Michal Simek \u003cmonstr@monstr.eu\u003e [Microblaze]\nTested-by: Catalin Marinas \u003ccatalin.marinas@arm.com\u003e [ARM]\nAcked-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nAcked-by: Haavard Skinnemoen \u003chaavard.skinnemoen@atmel.com\u003e [AVR]\nAcked-by: Tony Luck \u003ctony.luck@intel.com\u003e [IA-64]\nAcked-by: Hirokazu Takata \u003ctakata@linux-m32r.org\u003e [M32R]\nAcked-by: Greg Ungerer \u003cgerg@uclinux.org\u003e [M68K/M68KNOMMU]\nAcked-by: Ralf Baechle \u003cralf@linux-mips.org\u003e [MIPS]\nAcked-by: Kyle McMartin \u003ckyle@mcmartin.ca\u003e [PA-RISC]\nAcked-by: Paul Mackerras \u003cpaulus@samba.org\u003e [PowerPC]\nAcked-by: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e [S390]\nAcked-by: Chen Liqin \u003cliqin.chen@sunplusct.com\u003e [Score]\nAcked-by: Matt Fleming \u003cmatt@console-pimps.org\u003e [SH]\nAcked-by: David S. Miller \u003cdavem@davemloft.net\u003e [Sparc]\nAcked-by: Chris Zankel \u003cchris@zankel.net\u003e [Xtensa]\nReviewed-by: Richard Henderson \u003crth@twiddle.net\u003e [Alpha]\nReviewed-by: Yoshinori Sato \u003cysato@users.sourceforge.jp\u003e [H8300]\nCc: starvik@axis.com [CRIS]\nCc: jesper.nilsson@axis.com [CRIS]\nCc: linux-cris-kernel@axis.com\n" }, { "commit": "40b1f4e5113eafc5e84f2ba86822df66087fcb25", "tree": "0197db1cbab2acee740b0e4ea67b4ee22057e19d", "parents": [ "d995053d045d777e78ba7eba71a6a0733f3aa726" ], "author": { "name": "Michael Neuling", "email": "mikey@neuling.org", "time": "Thu Oct 22 14:39:28 2009 +1100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Oct 23 08:28:10 2009 +0200" }, "message": "irq: trivial: Fix typo in comment for #endif\n\nThe comment suggests this #endif is CONFIG_X86 but it\u0027s really\nCONFIG_TRACE_IRQFLAGS_SUPPORT\n\nSigned-off-by: Michael Neuling \u003cmikey@neuling.org\u003e\nCc: michael@ellerman.id.au\nLKML-Reference: \u003c18191.1256182768@neuling.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "d820ac4c2fa881079e6b689d2098adce337558ae", "tree": "39e4e989d22271cd401f6974c9ae7accc571d500", "parents": [ "3c1f67d60e2b4f4455563928999fd41cc653645d" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Mar 13 01:30:40 2009 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Mar 13 01:32:36 2009 +0100" }, "message": "locking: rename trace_softirq_[enter|exit] \u003d\u003e lockdep_softirq_[enter|exit]\n\nImpact: cleanup\n\nThe naming clashes with upcoming softirq tracepoints, so rename the\nAPIs to lockdep_*().\n\nRequested-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "3f307891ce0e7b0438c432af1aacd656a092ff45", "tree": "603d106da47ce7d039ceb304e2c7f7ae38daf87b", "parents": [ "e0deaff470900a4c3222ca7139f6c9639e26a2f5" ], "author": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Fri Jul 25 01:45:25 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 25 10:53:26 2008 -0700" }, "message": "locking: add typecheck on irqsave and friends for correct flags\n\nThere haave been several areas in the kernel where an int has been used for\nflags in local_irq_save() and friends instead of a long. This can cause some\nhard to debug problems on some architectures.\n\nThis patch adds a typecheck inside the irqsave and restore functions to flag\nthese cases.\n\n[akpm@linux-foundation.org: coding-style fixes]\n[akpm@linux-foundation.org: build fix]\nSigned-off-by: Steven Rostedt \u003csrostedt@redhat.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6cd8a4bb2f97527a9ceb30bc77ea4e959c6a95e3", "tree": "845af8f3c7f8956b4f3591759a0d67248af243a2", "parents": [ "81d68a96a39844853b37f20cc8282d9b65b78ef3" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 12 21:20:42 2008 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 23 20:32:54 2008 +0200" }, "message": "ftrace: trace preempt off critical timings\n\nAdd preempt off timings. A lot of kernel core code is taken from the RT patch\nlatency trace that was written by Ingo Molnar.\n\nThis adds \"preemptoff\" and \"preemptirqsoff\" to /debugfs/tracing/available_tracers\n\nNow instead of just tracing irqs off, preemption off can be selected\nto be recorded.\n\nWhen this is selected, it shares the same files as irqs off timings.\nOne can either trace preemption off, irqs off, or one or the other off.\n\nBy echoing \"preemptoff\" into /debugfs/tracing/current_tracer, recording\nof preempt off only is performed. \"irqsoff\" will only record the time\nirqs are disabled, but \"preemptirqsoff\" will take the total time irqs\nor preemption are disabled. Runtime switching of these options is now\nsupported by simpling echoing in the appropriate trace name into\n/debugfs/tracing/current_tracer.\n\nSigned-off-by: Steven Rostedt \u003csrostedt@redhat.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "81d68a96a39844853b37f20cc8282d9b65b78ef3", "tree": "bbc05f415930c15fb5a1004620bd77585fcec43a", "parents": [ "352ad25aa4a189c667cb2af333948d34692a2d27" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 12 21:20:42 2008 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 23 20:32:46 2008 +0200" }, "message": "ftrace: trace irq disabled critical timings\n\nThis patch adds latency tracing for critical timings\n(how long interrupts are disabled for).\n\n \"irqsoff\" is added to /debugfs/tracing/available_tracers\n\nNote:\n tracing_max_latency\n also holds the max latency for irqsoff (in usecs).\n (default to large number so one must start latency tracing)\n\n tracing_thresh\n threshold (in usecs) to always print out if irqs off\n is detected to be longer than stated here.\n If irq_thresh is non-zero, then max_irq_latency\n is ignored.\n\nHere\u0027s an example of a trace with ftrace_enabled \u003d 0\n\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\npreemption latency trace v1.1.5 on 2.6.24-rc7\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n--------------------------------------------------------------------\n latency: 100 us, #3/3, CPU#1 | (M:rt VP:0, KP:0, SP:0 HP:0 #P:2)\n -----------------\n | task: swapper-0 (uid:0 nice:0 policy:0 rt_prio:0)\n -----------------\n \u003d\u003e started at: _spin_lock_irqsave+0x2a/0xb7\n \u003d\u003e ended at: _spin_unlock_irqrestore+0x32/0x5f\n\n _------\u003d\u003e CPU#\n / _-----\u003d\u003e irqs-off\n | / _----\u003d\u003e need-resched\n || / _---\u003d\u003e hardirq/softirq\n ||| / _--\u003d\u003e preempt-depth\n |||| /\n ||||| delay\n cmd pid ||||| time | caller\n \\ / ||||| \\ | /\n swapper-0 1d.s3 0us+: _spin_lock_irqsave+0x2a/0xb7 (e1000_update_stats+0x47/0x64c [e1000])\n swapper-0 1d.s3 100us : _spin_unlock_irqrestore+0x32/0x5f (e1000_update_stats+0x641/0x64c [e1000])\n swapper-0 1d.s3 100us : trace_hardirqs_on_caller+0x75/0x89 (_spin_unlock_irqrestore+0x32/0x5f)\n\nvim:ft\u003dhelp\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n\nAnd this is a trace with ftrace_enabled \u003d\u003d 1\n\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\npreemption latency trace v1.1.5 on 2.6.24-rc7\n--------------------------------------------------------------------\n latency: 102 us, #12/12, CPU#1 | (M:rt VP:0, KP:0, SP:0 HP:0 #P:2)\n -----------------\n | task: swapper-0 (uid:0 nice:0 policy:0 rt_prio:0)\n -----------------\n \u003d\u003e started at: _spin_lock_irqsave+0x2a/0xb7\n \u003d\u003e ended at: _spin_unlock_irqrestore+0x32/0x5f\n\n _------\u003d\u003e CPU#\n / _-----\u003d\u003e irqs-off\n | / _----\u003d\u003e need-resched\n || / _---\u003d\u003e hardirq/softirq\n ||| / _--\u003d\u003e preempt-depth\n |||| /\n ||||| delay\n cmd pid ||||| time | caller\n \\ / ||||| \\ | /\n swapper-0 1dNs3 0us+: _spin_lock_irqsave+0x2a/0xb7 (e1000_update_stats+0x47/0x64c [e1000])\n swapper-0 1dNs3 46us : e1000_read_phy_reg+0x16/0x225 [e1000] (e1000_update_stats+0x5e2/0x64c [e1000])\n swapper-0 1dNs3 46us : e1000_swfw_sync_acquire+0x10/0x99 [e1000] (e1000_read_phy_reg+0x49/0x225 [e1000])\n swapper-0 1dNs3 46us : e1000_get_hw_eeprom_semaphore+0x12/0xa6 [e1000] (e1000_swfw_sync_acquire+0x36/0x99 [e1000])\n swapper-0 1dNs3 47us : __const_udelay+0x9/0x47 (e1000_read_phy_reg+0x116/0x225 [e1000])\n swapper-0 1dNs3 47us+: __delay+0x9/0x50 (__const_udelay+0x45/0x47)\n swapper-0 1dNs3 97us : preempt_schedule+0xc/0x84 (__delay+0x4e/0x50)\n swapper-0 1dNs3 98us : e1000_swfw_sync_release+0xc/0x55 [e1000] (e1000_read_phy_reg+0x211/0x225 [e1000])\n swapper-0 1dNs3 99us+: e1000_put_hw_eeprom_semaphore+0x9/0x35 [e1000] (e1000_swfw_sync_release+0x50/0x55 [e1000])\n swapper-0 1dNs3 101us : _spin_unlock_irqrestore+0xe/0x5f (e1000_update_stats+0x641/0x64c [e1000])\n swapper-0 1dNs3 102us : _spin_unlock_irqrestore+0x32/0x5f (e1000_update_stats+0x641/0x64c [e1000])\n swapper-0 1dNs3 102us : trace_hardirqs_on_caller+0x75/0x89 (_spin_unlock_irqrestore+0x32/0x5f)\n\nvim:ft\u003dhelp\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n\nSigned-off-by: Steven Rostedt \u003csrostedt@redhat.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "a7d5ac87b220829bb077cdc8e01c4fd4714ae41e", "tree": "1aac8c19be18c15c615566a949e87c0e14f17af8", "parents": [ "8ce116e5993cf64729a4d2b3dc2c0f072852654b" ], "author": { "name": "Harvey Harrison", "email": "harvey.harrison@gmail.com", "time": "Tue Mar 04 22:05:27 2008 -0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sat Apr 19 19:19:54 2008 +0200" }, "message": "x86: pageattr.c fix shadowed variable warning\n\nirqs_disabled() uses flags internally, use _flags to avoid shadowing\ncode calling into this macro.\n\nIntroduced between 2.6.25-rc3 and -rc4\n\nFixes the sparse warning:\narch/x86/mm/pageattr.c:383:21: warning: symbol \u0027flags\u0027 shadows an earlier one\narch/x86/mm/pageattr.c:369:16: originally declared here\n\nSigned-off-by: Harvey Harrison \u003charvey.harrison@gmail.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "de30a2b355ea85350ca2f58f3b9bf4e5bc007986", "tree": "0bef670aff65614b3c78ca13b20307355b8221d5", "parents": [ "5bdc9b447c0076f494a56fdcd93ee8c5e78a2afd" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jul 03 00:24:42 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Jul 03 15:27:03 2006 -0700" }, "message": "[PATCH] lockdep: irqtrace subsystem, core\n\nAccurate hard-IRQ-flags and softirq-flags state tracing.\n\nThis allows us to attach extra functionality to IRQ flags on/off\nevents (such as trace-on/off).\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" } ] }