)]}' { "log": [ { "commit": "3f2bc4d6eb5a4fada842462ba22bb6bbb41d00c7", "tree": "088e0646c8abcbde263d13ee865ba69032ac86dd", "parents": [ "f06154cc47399dfdb3950d3e6b71d67ee186f69d" ], "author": { "name": "Bryan Huntsman", "email": "bryanh@codeaurora.org", "time": "Tue Aug 16 17:27:22 2011 -0700" }, "committer": { "name": "Bryan Huntsman", "email": "bryanh@codeaurora.org", "time": "Mon Oct 03 09:57:10 2011 -0700" }, "message": "Initial Contribution\n\nmsm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142\n\nSigned-off-by: Bryan Huntsman \u003cbryanh@codeaurora.org\u003e\n" }, { "commit": "1a8e1463a49aaa452da1cefe184a00d4df47f1ef", "tree": "e6f5b1579d37c2255be9b6f83021e443b4a757a7", "parents": [ "469057d587a9de2cd6087d71a008b908e785a5b6" ], "author": { "name": "Kees Cook", "email": "kees.cook@canonical.com", "time": "Wed May 04 08:38:56 2011 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed May 04 11:50:58 2011 -0400" }, "message": "[CPUFREQ] remove redundant sprintf from request_module call.\n\nSince format string handling is part of request_module, there is no\nneed to construct the module name. As such, drop the redundant sprintf\nand heap usage.\n\nSigned-off-by: Kees Cook \u003ckees.cook@canonical.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "2d06d8c49afdcc9bb35a85039fa50f0fe35bd40e", "tree": "d933a68fc71f6e2c3b95b744a87fa1d817bea3d6", "parents": [ "27ecddc2a9f99ce4ac9a59a0acd77f7100b6d034" ], "author": { "name": "Dominik Brodowski", "email": "linux@dominikbrodowski.net", "time": "Sun Mar 27 15:04:46 2011 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed May 04 11:50:57 2011 -0400" }, "message": "[CPUFREQ] use dynamic debug instead of custom infrastructure\n\nWith dynamic debug having gained the capability to report debug messages\nalso during the boot process, it offers a far superior interface for\ndebug messages than the custom cpufreq infrastructure. As a first step,\nremove the old cpufreq_debug_printk() function and replace it with a call\nto the generic pr_debug() function.\n\nHow can dynamic debug be used on cpufreq? You need a kernel which has\nCONFIG_DYNAMIC_DEBUG enabled.\n\nTo enabled debugging during runtime, mount debugfs and\n\n$ echo -n \u0027module cpufreq +p\u0027 \u003e /sys/kernel/debug/dynamic_debug/control\n\nfor debugging the complete \"cpufreq\" module. To achieve the same goal during\nboot, append\n\n\tddebug_query\u003d\"module cpufreq +p\"\n\nas a boot parameter to the kernel of your choice.\n\nFor more detailled instructions, please see\nDocumentation/dynamic-debug-howto.txt\n\nSigned-off-by: Dominik Brodowski \u003clinux@dominikbrodowski.net\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "27ecddc2a9f99ce4ac9a59a0acd77f7100b6d034", "tree": "941daeb656c519deeb8e0bd853944536e34ab80e", "parents": [ "904cc1e637a00dba1b58e7752f485f90ebf2a568" ], "author": { "name": "Jacob Shin", "email": "jacob.shin@amd.com", "time": "Wed Apr 27 13:32:11 2011 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed May 04 11:50:57 2011 -0400" }, "message": "[CPUFREQ] CPU hotplug, re-create sysfs directory and symlinks\n\nWhen we discover CPUs that are affected by each other\u0027s\nfrequency/voltage transitions, the first CPU gets a sysfs directory\ncreated, and rest of the siblings get symlinks. Currently, when we\nhotplug off only the first CPU, all of the symlinks and the sysfs\ndirectory gets removed. Even though rest of the siblings are still\nonline and functional, they are orphaned, and no longer governed by\ncpufreq.\n\nThis patch, given the above scenario, creates a sysfs directory for\nthe first sibling and symlinks for the rest of the siblings.\n\nPlease note the recursive call, it was rather too ugly to roll it\nout. And the removal of redundant NULL setting (it is already taken\ncare of near the top of the function).\n\nSigned-off-by: Jacob Shin \u003cjacob.shin@amd.com\u003e\nAcked-by: Mark Langsdorf \u003cmark.langsdorf@amd.com\u003e\nReviewed-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\nCc: stable@kernel.org\n" }, { "commit": "25985edcedea6396277003854657b5f3cb31a628", "tree": "f026e810210a2ee7290caeb737c23cb6472b7c38", "parents": [ "6aba74f2791287ec407e0f92487a725a25908067" ], "author": { "name": "Lucas De Marchi", "email": "lucas.demarchi@profusion.mobi", "time": "Wed Mar 30 22:57:33 2011 -0300" }, "committer": { "name": "Lucas De Marchi", "email": "lucas.demarchi@profusion.mobi", "time": "Thu Mar 31 11:26:23 2011 -0300" }, "message": "Fix common misspellings\n\nFixes generated by \u0027codespell\u0027 and manually reviewed.\n\nSigned-off-by: Lucas De Marchi \u003clucas.demarchi@profusion.mobi\u003e\n" }, { "commit": "e00e56dfd3cf1d209ce630a2b440c91e4a30bbd3", "tree": "4d1329036e250db15411b21b15a158f9042945bd", "parents": [ "fb3600cc50302c9577b76838fcac1ee78828007d" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Wed Mar 23 22:16:32 2011 +0100" }, "committer": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Wed Mar 23 22:16:32 2011 +0100" }, "message": "cpufreq: Use syscore_ops for boot CPU suspend/resume (v2)\n\nThe cpufreq subsystem uses sysdev suspend and resume for\nexecuting cpufreq_suspend() and cpufreq_resume(), respectively,\nduring system suspend, after interrupts have been switched off on the\nboot CPU, and during system resume, while interrupts are still off on\nthe boot CPU. In both cases the other CPUs are off-line at the\nrelevant point (either they have been switched off via CPU hotplug\nduring suspend, or they haven\u0027t been switched on yet during resume).\nFor this reason, although it may seem that cpufreq_suspend() and\ncpufreq_resume() are executed for all CPUs in the system, they are\nonly called for the boot CPU in fact, which is quite confusing.\n\nTo remove the confusion and to prepare for elimiating sysdev\nsuspend and resume operations from the kernel enirely, convernt\ncpufreq to using a struct syscore_ops object for the boot CPU\nsuspend and resume and rename the callbacks so that their names\nreflect their purpose. In addition, put some explanatory remarks\ninto their kerneldoc comments.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\n" }, { "commit": "7ca64e2d2859e96a325c28678b5fdb5e17a5764b", "tree": "8988c72fd55317e1c9f6b8da8f1d62f7ec1ecb8c", "parents": [ "326c86deaed54ad1b364fcafe5073f563671eb58" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Thu Mar 10 21:13:05 2011 +0100" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 16 17:54:33 2011 -0400" }, "message": "[CPUFREQ] Remove the pm_message_t argument from driver suspend\n\nNone of the existing cpufreq drivers uses the second argument of\nits .suspend() callback (which isn\u0027t useful anyway), so remove it.\n\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "8f5bc2abfd4240b1f55425a3d36b6e6c391bc148", "tree": "6101e64f0d06ef59c2bd4080f227e1a7db38a5ce", "parents": [ "a536b126f211bdf9a0eecce0d403a26900d2106c" ], "author": { "name": "Jiri Slaby", "email": "jslaby@suse.cz", "time": "Tue Mar 01 17:41:10 2011 +0100" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Mar 01 18:49:44 2011 -0500" }, "message": "[CPUFREQ] fix BUG on cpufreq policy init failure\n\ncpufreq_register_driver sets cpufreq_driver to a structure owned (and\nplaced) in the caller\u0027s memory. If cpufreq policy fails in its -\u003einit\nfunction, sysdev_driver_register returns nonzero in\ncpufreq_register_driver. Now, cpufreq_register_driver returns an error\nwithout setting cpufreq_driver back to NULL.\n\nUsually cpufreq policy modules are unloaded because they propagate the\nerror to the module init function and return that.\n\nSo a later access to any member of cpufreq_driver causes bugs like:\nBUG: unable to handle kernel paging request at ffffffffa00270a0\nIP: [\u003cffffffff8145eca3\u003e] cpufreq_cpu_get+0x53/0xe0\nPGD 1805067 PUD 1809063 PMD 1c3f90067 PTE 0\nOops: 0000 [#1] SMP\nlast sysfs file: /sys/devices/virtual/net/tun0/statistics/collisions\nCPU 0\nModules linked in: ...\nPid: 5677, comm: thunderbird-bin Tainted: G W 2.6.38-rc4-mm1_64+ #1389 To be filled by O.E.M./To Be Filled By O.E.M.\nRIP: 0010:[\u003cffffffff8145eca3\u003e] [\u003cffffffff8145eca3\u003e] cpufreq_cpu_get+0x53/0xe0\nRSP: 0018:ffff8801aec37d98 EFLAGS: 00010086\nRAX: 0000000000000202 RBX: 0000000000000000 RCX: 0000000000000001\nRDX: ffffffffa00270a0 RSI: 0000000000001000 RDI: ffffffff8199ece8\n...\nCall Trace:\n [\u003cffffffff8145f490\u003e] cpufreq_quick_get+0x10/0x30\n [\u003cffffffff8103f12b\u003e] show_cpuinfo+0x2ab/0x300\n [\u003cffffffff81136292\u003e] seq_read+0xf2/0x3f0\n [\u003cffffffff8126c5d3\u003e] ? __strncpy_from_user+0x33/0x60\n [\u003cffffffff8116850d\u003e] proc_reg_read+0x6d/0xa0\n [\u003cffffffff81116e53\u003e] vfs_read+0xc3/0x180\n [\u003cffffffff81116f5c\u003e] sys_read+0x4c/0x90\n [\u003cffffffff81030dbb\u003e] system_call_fastpath+0x16/0x1b\n...\n\nIt\u0027s all cause by weird fail path handling in cpufreq_register_driver.\nTo fix that, shuffle the code to do proper handling with gotos.\n\nSigned-off-by: Jiri Slaby \u003cjslaby@suse.cz\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "25e41933b58777f2d020c3b0186b430ea004ec28", "tree": "a4ea8bb52509139b52c35d540928c12b33098f40", "parents": [ "61a0d49c33c7fd57c14895e5b0760bd02b65ac1f" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Mon Jan 03 17:50:44 2011 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Jan 04 08:16:54 2011 +0100" }, "message": "perf: Clean up power events by introducing new, more generic ones\n\nAdd these new power trace events:\n\n power:cpu_idle\n power:cpu_frequency\n power:machine_suspend\n\nThe old C-state/idle accounting events:\n power:power_start\n power:power_end\n\nHave now a replacement (but we are still keeping the old\ntracepoints for compatibility):\n\n power:cpu_idle\n\nand\n power:power_frequency\n\nis replaced with:\n power:cpu_frequency\n\npower:machine_suspend is newly introduced.\n\nJean Pihet has a patch integrated into the generic layer\n(kernel/power/suspend.c) which will make use of it.\n\nthe type\u003d field got removed from both, it was never\nused and the type is differed by the event type itself.\n\nperf timechart userspace tool gets adjusted in a separate patch.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nAcked-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nAcked-by: Jean Pihet \u003cjean.pihet@newoldbits.com\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\nCc: rjw@sisk.pl\nLKML-Reference: \u003c1294073445-14812-3-git-send-email-trenn@suse.de\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nLKML-Reference: \u003c1290072314-31155-2-git-send-email-trenn@suse.de\u003e\n" }, { "commit": "bec037aa6ccb5d561c880e369c409a1b28da5eb4", "tree": "546cea29656d46b3ca6e315e1b937158946b1dce", "parents": [ "320b2b8de12698082609ebbc1a17165727f4c893" ], "author": { "name": "Julia Lawall", "email": "julia@diku.dk", "time": "Thu Aug 05 22:23:00 2010 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Fri Oct 22 11:44:47 2010 -0400" }, "message": "[CPUFREQ] drivers/cpufreq: Adjust confusing if indentation\n\nIndent the body of for_each_cpu.\n\nThe semantic match that finds this problem is as follows:\n(http://coccinelle.lip6.fr/)\n\n// \u003csmpl\u003e\n@r disable braces4@\nposition p1,p2;\nstatement S1,S2;\n@@\n\n(\nif (...) { ... }\n|\nif (...) S1@p1 S2@p2\n)\n\n@script:python@\np1 \u003c\u003c r.p1;\np2 \u003c\u003c r.p2;\n@@\n\nif (p1[0].column \u003d\u003d p2[0].column):\n cocci.print_main(\"branch\",p1)\n cocci.print_secs(\"after\",p2)\n// \u003c/smpl\u003e\n\nSigned-off-by: Julia Lawall \u003cjulia@diku.dk\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "9c36f746d7e191ad6f44f01859af843f0c4d3c5d", "tree": "1b7a4df9c99ec769f0219c3fe355b49326e977bc", "parents": [ "6f4f2723d08534fd4e407e1ef8500b0f4d12c30c" ], "author": { "name": "Neal Buckendahl", "email": "nealb001@gmail.com", "time": "Tue Jun 22 22:02:44 2010 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 03 13:47:05 2010 -0400" }, "message": "[CPUFREQ] fix brace coding style issue.\n\nThis patch fixes up a brace warning found by the checkpatch.pl tool\n\nSigned-off-by: Neal Buckendahl \u003cnealb001@tbcnet.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "6f4f2723d08534fd4e407e1ef8500b0f4d12c30c", "tree": "3422ba34e7c6bde7e8d4ca1f1f1ed772efc5cc4c", "parents": [ "6b72e3934b42930fd40fc42fe762d21be413301c" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Tue Apr 20 13:17:36 2010 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 03 13:47:05 2010 -0400" }, "message": "[CPUFREQ] x86 cpufreq: Make trace_power_frequency cpufreq driver independent\n\nand fix the broken case if a core\u0027s frequency depends on others.\n\ntrace_power_frequency was only implemented in a rather ungeneric way\nin acpi-cpufreq driver\u0027s target() function only.\n-\u003e Move the call to trace_power_frequency to\n cpufreq.c:cpufreq_notify_transition() where CPUFREQ_POSTCHANGE\n notifier is triggered.\n This will support power frequency tracing by all cpufreq drivers\n\ntrace_power_frequency did not trace frequency changes correctly when\nthe userspace governor was used or when CPU cores\u0027 frequency depend\non each other.\n-\u003e Moving this into the CPUFREQ_POSTCHANGE notifier and pass the cpu\n which gets switched automatically fixes this.\n\nRobert Schoene provided some important fixes on top of my initial\nquick shot version which are integrated in this patch:\n- Forgot some changes in power_end trace (TP_printk/variable names)\n- Variable dummy in power_end must now be cpu_id\n- Use static 64 bit variable instead of unsigned int for cpu_id\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nCC: davej@redhat.com\nCC: arjan@infradead.org\nCC: linux-kernel@vger.kernel.org\nCC: robert.schoene@tu-dresden.de\nTested-by: robert.schoene@tu-dresden.de\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "226528c6100e4191842e61997110c8ace40605f7", "tree": "a731b7e1755db2eeb4322e23ef7f9c8cff21dda6", "parents": [ "00e299fff3cc2745847b03eebcc9e9362db9366d" ], "author": { "name": "Amerigo Wang", "email": "amwang@redhat.com", "time": "Thu Mar 04 03:23:36 2010 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 03 13:47:04 2010 -0400" }, "message": "[CPUFREQ] unexport (un)lock_policy_rwsem* functions\n\nlock_policy_rwsem_* and unlock_policy_rwsem_* functions are scheduled\nto be unexported when 2.6.33. Now there are no other callers of them\nout of cpufreq.c, unexport them and make them static.\n\nSigned-off-by: WANG Cong \u003camwang@redhat.com\u003e\nCc: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "cad70a6ae5aaef4641a3efdfd536c30f13891afe", "tree": "91bdca69ce3a9c49d1e7978e44e4ae9171d4f0ca", "parents": [ "ffe6275f90cc2ea77e6120a510903687be067b16" ], "author": { "name": "Xiaotian Feng", "email": "dfeng@redhat.com", "time": "Tue Jul 20 20:11:02 2010 +0800" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 03 13:47:02 2010 -0400" }, "message": "[CPUFREQ] fix memory leak in cpufreq_add_dev\n\nWe didn\u0027t free policy-\u003erelated_cpus in error path err_unlock_policy.\nThis is catched by following kmemleak report:\n\nunreferenced object 0xffff88022a0b96d0 (size 512):\n comm \"modprobe\", pid 886, jiffies 4294689177 (age 780.694s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [\u003cffffffff8111ebe5\u003e] create_object+0x186/0x281\n [\u003cffffffff814fad4f\u003e] kmemleak_alloc+0x60/0xa7\n [\u003cffffffff8111127a\u003e] kmem_cache_alloc_node_notrace+0x120/0x142\n [\u003cffffffff81262e4f\u003e] alloc_cpumask_var_node+0x2c/0xd7\n [\u003cffffffff81262f0b\u003e] alloc_cpumask_var+0x11/0x13\n [\u003cffffffff81262f1c\u003e] zalloc_cpumask_var+0xf/0x11\n [\u003cffffffff8140fac0\u003e] cpufreq_add_dev+0x11f/0x547\n [\u003cffffffff81334bda\u003e] sysdev_driver_register+0xc2/0x11d\n [\u003cffffffff8140e334\u003e] cpufreq_register_driver+0xcb/0x1b8\n [\u003cffffffffa032e040\u003e] 0xffffffffa032e040\n [\u003cffffffff810021ba\u003e] do_one_initcall+0x5e/0x15c\n [\u003cffffffff81087f94\u003e] sys_init_module+0xa6/0x1e6\n [\u003cffffffff81009bc2\u003e] system_call_fastpath+0x16/0x1b\n [\u003cffffffffffffffff\u003e] 0xffffffffffffffff\n\nSigned-off-by: Xiaotian Feng \u003cdfeng@redhat.com\u003e\nCc: Thomas Renninger \u003ctrenn@suse.de\u003e\nCc: Prarit Bhargava \u003cprarit@redhat.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "ffe6275f90cc2ea77e6120a510903687be067b16", "tree": "c76971857ceb6ca4661beee6b4922278a93d91a4", "parents": [ "dbbe4649d683577de1063dbd9f6da7d4b8de2fed" ], "author": { "name": "Andrej Gelenberg", "email": "andrej.gelenberg@udo.edu", "time": "Fri May 14 15:15:58 2010 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 03 13:47:01 2010 -0400" }, "message": "[CPUFREQ] revert \"[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)\"\n\n395913d0b1db37092ea3d9d69b832183b1dd84c5 (\"[CPUFREQ] remove rwsem lock\nfrom CPUFREQ_GOV_STOP call (second call site)\") is not needed, because\nthere is no rwsem lock in cpufreq_ondemand and cpufreq_conservative\nanymore. Lock should not be released until the work done.\n\nAddresses https://bugzilla.kernel.org/show_bug.cgi?id\u003d1594\n\nSigned-off-by: Andrej Gelenberg \u003candrej.gelenberg@udo.edu\u003e\nCc: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\nCc: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nAcked-by: Mathieu Desnoyers \u003cmathieu.desnoyers@efficios.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "d7be0ce6afb1df60bc786f57410407ceae92b994", "tree": "5e91acfc12c833531ad3320f274e0cd96a129973", "parents": [ "e08cae4181af9483b04ecfac48f01c8e5a5f27bf", "66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8" ], "author": { "name": "H. Peter Anvin", "email": "hpa@zytor.com", "time": "Sat May 08 14:59:58 2010 -0700" }, "committer": { "name": "H. Peter Anvin", "email": "hpa@zytor.com", "time": "Sat May 08 14:59:58 2010 -0700" }, "message": "Merge commit \u0027v2.6.34-rc6\u0027 into x86/cpu\n" }, { "commit": "6dad2a29646ce3792c40cfc52d77e9b65a7bb143", "tree": "85fce9bcdffe83c2b1f6487bf286f910ef7aba4d", "parents": [ "679370641e3675633cad222449262abbe93a4a2a" ], "author": { "name": "Borislav Petkov", "email": "borislav.petkov@amd.com", "time": "Wed Mar 31 21:56:46 2010 +0200" }, "committer": { "name": "H. Peter Anvin", "email": "hpa@zytor.com", "time": "Fri Apr 09 14:07:56 2010 -0700" }, "message": "cpufreq: Unify sysfs attribute definition macros\n\nMultiple modules used to define those which are with identical\nfunctionality and were needlessly replicated among the different cpufreq\ndrivers. Push them into the header and remove duplication.\n\nSigned-off-by: Borislav Petkov \u003cborislav.petkov@amd.com\u003e\nLKML-Reference: \u003c1270065406-1814-7-git-send-email-bp@amd64.org\u003e\nReviewed-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: H. Peter Anvin \u003chpa@zytor.com\u003e\n" }, { "commit": "499bca9b6d3243f9278a1f5a22d00e67acdd844d", "tree": "860ef8e80c4b68a10f06eb8a2fa19b43e608fade", "parents": [ "2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6" ], "author": { "name": "Amerigo Wang", "email": "amwang@redhat.com", "time": "Thu Mar 04 03:23:46 2010 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 31 12:00:21 2010 -0400" }, "message": "[CPUFREQ] fix a lockdep warning\n\nThere is no need to do sysfs_remove_link() or kobject_put() etc.\nwhen policy_rwsem_write is held, move them after releasing the lock.\n\nThis fixes the lockdep warning:\n\nhalt/4071 is trying to acquire lock:\n (s_active){++++.+}, at: [\u003cc0000000001ef868\u003e] .sysfs_addrm_finish+0x58/0xc0\n\nbut task is already holding lock:\n (\u0026per_cpu(cpu_policy_rwsem, cpu)){+.+.+.}, at: [\u003cc0000000004cd6ac\u003e] .lock_policy_rwsem_write+0x84/0xf4\n\nReported-by: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nSigned-off-by: WANG Cong \u003camwang@redhat.com\u003e\nCc: Johannes Berg \u003cjohannes@sipsolutions.net\u003e\nCc: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "52cf25d0ab7f78eeecc59ac652ed5090f69b619e", "tree": "031d1ffb3890bd69c0260c864c512e0be62ac05c", "parents": [ "6c1733aca0b48db4d0e660d54976a1cca25b5eaf" ], "author": { "name": "Emese Revfy", "email": "re.emese@gmail.com", "time": "Tue Jan 19 02:58:23 2010 +0100" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Sun Mar 07 17:04:49 2010 -0800" }, "message": "Driver core: Constify struct sysfs_ops in struct kobj_type\n\nConstify struct sysfs_ops.\n\nThis is part of the ops structure constification\neffort started by Arjan van de Ven et al.\n\nBenefits of this constification:\n\n * prevents modification of data that is shared\n (referenced) by many other structure instances\n at runtime\n\n * detects/prevents accidental (but not intentional)\n modification attempts on archs that enforce\n read-only kernel data at runtime\n\n * potentially better optimized code as the compiler\n can assume that the const data cannot be changed\n\n * the compiler/linker move const data into .rodata\n and therefore exclude them from false sharing\n\nSigned-off-by: Emese Revfy \u003cre.emese@gmail.com\u003e\nAcked-by: David Teigland \u003cteigland@redhat.com\u003e\nAcked-by: Matt Domsch \u003cMatt_Domsch@dell.com\u003e\nAcked-by: Maciej Sosnowski \u003cmaciej.sosnowski@intel.com\u003e\nAcked-by: Hans J. Koch \u003chjk@linutronix.de\u003e\nAcked-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nAcked-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nAcked-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "d0316554d3586cbea60592a41391b5def2553d6f", "tree": "5e7418f0bacbc68cec5dfd1541e03eb56870aa02", "parents": [ "fb0bbb92d42d5bd0ab224605444efdfed06d6934", "51e99be00ce2713cbb841cedc997cafa6e26c7f4" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Dec 14 09:58:24 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Dec 14 09:58:24 2009 -0800" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits)\n m68k: rename global variable vmalloc_end to m68k_vmalloc_end\n percpu: add missing per_cpu_ptr_to_phys() definition for UP\n percpu: Fix kdump failure if booted with percpu_alloc\u003dpage\n percpu: make misc percpu symbols unique\n percpu: make percpu symbols in ia64 unique\n percpu: make percpu symbols in powerpc unique\n percpu: make percpu symbols in x86 unique\n percpu: make percpu symbols in xen unique\n percpu: make percpu symbols in cpufreq unique\n percpu: make percpu symbols in oprofile unique\n percpu: make percpu symbols in tracer unique\n percpu: make percpu symbols under kernel/ and mm/ unique\n percpu: remove some sparse warnings\n percpu: make alloc_percpu() handle array types\n vmalloc: fix use of non-existent percpu variable in put_cpu_var()\n this_cpu: Use this_cpu_xx in trace_functions_graph.c\n this_cpu: Use this_cpu_xx for ftrace\n this_cpu: Use this_cpu_xx in nmi handling\n this_cpu: Use this_cpu operations in RCU\n this_cpu: Use this_cpu ops for VM statistics\n ...\n\nFix up trivial (famous last words) global per-cpu naming conflicts in\n\tarch/x86/kvm/svm.c\n\tmm/slab.c\n" }, { "commit": "e2f74f355e9e2914483db10c05d70e69e0b7ae04", "tree": "e17cae217151627c2c95aeeb2a43baf96d49ac91", "parents": [ "cf3289d0e701b2f59123bf653c12722a7e32aedb" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Thu Nov 19 12:31:01 2009 +0100" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Nov 24 13:33:34 2009 -0500" }, "message": "[ACPI/CPUFREQ] Introduce bios_limit per cpu cpufreq sysfs interface\n\nThis interface is mainly intended (and implemented) for ACPI _PPC BIOS\nfrequency limitations, but other cpufreq drivers can also use it for\nsimilar use-cases.\n\nWhy is this needed:\n\nCurrently it\u0027s not obvious why cpufreq got limited.\nPeople see cpufreq/scaling_max_freq reduced, but this could have\nhappened by:\n - any userspace prog writing to scaling_max_freq\n - thermal limitations\n - hardware (_PPC in ACPI case) limitiations\n\nTherefore export bios_limit (in kHz) to:\n - Point the user that it\u0027s the BIOS (broken or intended) which limits\n frequency\n - Export it as a sysfs interface for userspace progs.\n While this was a rarely used feature on laptops, there will appear\n more and more server implemenations providing \"Green IT\" features like\n allowing the service processor to limit the frequency. People want\n to know about HW/BIOS frequency limitations.\n\nAll ACPI P-state driven cpufreq drivers are covered with this patch:\n - powernow-k8\n - powernow-k7\n - acpi-cpufreq\n\nTested with a patched DSDT which limits the first two cores (_PPC returns 1)\nvia _PPC, exposed by bios_limit:\n# echo 2200000 \u003ecpu2/cpufreq/scaling_max_freq\n# cat cpu*/cpufreq/scaling_max_freq\n2600000\n2600000\n2200000\n2200000\n# #scaling_max_freq shows general user/thermal/BIOS limitations\n\n# cat cpu*/cpufreq/bios_limit\n2600000\n2600000\n2800000\n2800000\n# #bios_limit only shows the HW/BIOS limitation\n\nCC: Pallipadi Venkatesh \u003cvenkatesh.pallipadi@intel.com\u003e\nCC: Len Brown \u003clenb@kernel.org\u003e\nCC: davej@codemonkey.org.uk\nCC: linux@dominikbrodowski.net\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "cf3289d0e701b2f59123bf653c12722a7e32aedb", "tree": "0f9b06125502932f857346e4e72c201e8c2cd3bf", "parents": [ "1cce76c2ac60df40b02bf747982fb3f00e68f50a" ], "author": { "name": "Alex Chiang", "email": "achiang@hp.com", "time": "Tue Nov 17 20:27:08 2009 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Nov 24 13:33:34 2009 -0500" }, "message": "[CPUFREQ] make internal cpufreq_add_dev_* static\n\nNo need to export these symbols; make them static.\n\n\tcpufreq_add_dev_policy\n\tcpufreq_add_dev_symlink\n\tcpufreq_add_dev_interface\n\nSigned-off-by: Alex Chiang \u003cachiang@hp.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "90e41bac100e34f955f48e7686c2fc685ac9aa30", "tree": "50ae248a292e85d3e784d12e2e6a37823048d98b", "parents": [ "54c9a35d9faef06e00e2a941eb8fe674f1886901" ], "author": { "name": "Prarit Bhargava", "email": "prarit@redhat.com", "time": "Thu Nov 12 09:18:46 2009 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Nov 17 23:15:04 2009 -0500" }, "message": "[CPUFREQ] Fix stale cpufreq_cpu_governor pointer\n\nDave,\n\nAttached is an update of my patch against the cpufreq fixes branch.\n\nBefore applying the patch I compiled and booted the tree to see if the panic\nwas still there -- to my surprise it was not. This is because of the conversion\nof cpufreq_cpu_governor to a char[].\n\nWhile the panic is kaput, the problem of stale data continues and my patch is\nstill valid. It is possible to end up with the wrong governor after hotplug\nevents because CPUFREQ_DEFAULT_GOVERNOR is statically linked to a default,\nwhile the cpu siblings may have had a different governor assigned by a user.\n\nie) the patch is still needed in order to keep the governors assigned\nproperly when hotplugging devices\n\nSigned-off-by: Prarit Bhargava \u003cprarit@redhat.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "e77b89f13a0d48aea70b69976e854f2a2444a519", "tree": "d78288fc4386e1613713fff8c13d28f7ec480d32", "parents": [ "293afe44d75abce4252db76cbb303a7de4297ce1" ], "author": { "name": "Dmitry Monakhov", "email": "dmonakhov@openvz.org", "time": "Mon Oct 05 00:38:55 2009 +0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Nov 17 23:15:04 2009 -0500" }, "message": "[CPUFREQ] Fix use after free on governor restore\n\nCurrently on governer backup/restore path we storing governor\u0027s pointer.\nThis is wrong because one may unload governor\u0027s module after cpu goes\noffline. As result use-after-free will take place on restored cpu.\nIt is not easy to exploit this bug, but still we have to close this\nissue ASAP. Issue was introduced by following commit\n084f34939424161669467c19280dbcf637730314\n\n##TESTCASE##\n#!/bin/sh -x\nmodprobe acpi_cpufreq\n# Any non default governor, in may case it is \"ondemand\"\nmodprobe cpufreq_ondemand\necho ondemand \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor\nrmmod acpi_cpufreq\nrmmod cpufreq_ondemand\nmodprobe acpi_cpufreq # \u003c\u003c use-after-free here.\n\nSigned-off-by: Dmitry Monakhov \u003cdmonakhov@openvz.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "f16250669d78a32bdfb27cec4d791e85141e11e2", "tree": "fa0fbce8904437312101a9b36f888c7a462e8d1f", "parents": [ "b3e9f672b6cd0f4c2982c1bcc0b3c3fb39d3b0fe" ], "author": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Thu Oct 29 22:34:13 2009 +0900" }, "committer": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Thu Oct 29 22:34:13 2009 +0900" }, "message": "percpu: make percpu symbols in cpufreq unique\n\nThis patch updates percpu related symbols in cpufreq such that percpu\nsymbols are unique and don\u0027t clash with local symbols. This serves\ntwo purposes of decreasing the possibility of global percpu symbol\ncollision and allowing dropping per_cpu__ prefix from percpu symbols.\n\n* drivers/cpufreq/cpufreq.c: s/policy_cpu/cpufreq_policy_cpu/\n* drivers/cpufreq/freq_table.c: s/show_table/cpufreq_show_table/\n* arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: s/drv_data/acfreq_data/\n \t\t\t\t\t s/old_perf/acfreq_old_perf/\n\nPartly based on Rusty Russell\u0027s \"alloc_percpu: rename percpu vars\nwhich cause name clashes\" patch.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\n" }, { "commit": "395913d0b1db37092ea3d9d69b832183b1dd84c5", "tree": "2b1aff8df27bfb02332ee4fe207a989244583c0a", "parents": [ "0e625ac153126a0a62b7635fa9dc91f87ff39e38" ], "author": { "name": "Mathieu Desnoyers", "email": "mathieu.desnoyers@polymtl.ca", "time": "Mon Jun 08 13:17:31 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:18 2009 -0400" }, "message": "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)\n\nremove rwsem lock from CPUFREQ_GOV_STOP call (second call site)\n\ncommit\t42a06f2166f2f6f7bf04f32b4e823eacdceafdc9\n\nMissed a call site for CPUFREQ_GOV_STOP to remove the rwlock taken around the\nteardown. To make a long story short, the rwlock write-lock causes a circular\ndependency with cancel_delayed_work_sync(), because the timer handler takes the\nread lock.\n\nNote that all callers to __cpufreq_set_policy are taking the rwsem. All sysfs\ncallers (writers) hold the write rwsem at the earliest sysfs calling stage.\n\nHowever, the rwlock write-lock is not needed upon governor stop.\n\nSigned-off-by: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\nAcked-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCC: rjw@sisk.pl\nCC: mingo@elte.hu\nCC: Shaohua Li \u003cshaohua.li@intel.com\u003e\nCC: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCC: Dave Young \u003chidave.darkstar@gmail.com\u003e\nCC: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nCC: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCC: trenn@suse.de\nCC: sven.wegener@stealer.net\nCC: cpufreq@vger.kernel.org\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "8aa84ad8d6c740a04386f599694609ee4998e82e", "tree": "b5bedf4203f038c0f624d3240d9d23dbc9e20e63", "parents": [ "4bfa042cd304aa48cf05cd0a13c2d0794a675c0e" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Fri Jul 24 15:25:05 2009 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:14 2009 -0400" }, "message": "[CPUFREQ] Introduce global, not per core: /sys/devices/system/cpu/cpufreq\n\nCurrently everything in the cpufreq layer is per core based.\nThis does not reflect reality, for example ondemand on conservative\ngovernors have global sysfs variables.\n\nIntroduce a global cpufreq directory and add the kobject to the governor\nstruct, so that governors can easily access it.\nThe directory is initialized in the cpufreq_core_init initcall and thus will\nalways be created if cpufreq is compiled in, even if no cpufreq driver is\nactive later.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "4bfa042cd304aa48cf05cd0a13c2d0794a675c0e", "tree": "c2f1a8cfa8d34d7e364acde2a2391481beeee77e", "parents": [ "ecf7e4611c89aba7c7fde1183f7e9357695fbcc5" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Fri Jul 24 15:25:03 2009 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:14 2009 -0400" }, "message": "[CPUFREQ] Bail out of cpufreq_add_dev if the link for a managed CPU got created\n\nDoing:\necho 0 \u003ecpu1/online\necho 1 \u003ecpu1/online\n\non a managed CPU will result in:\nJul 22 15:15:37 linux kernel: [ 80.013864] WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0xcf/0xe6()\nJul 22 15:15:37 linux kernel: [ 80.013866] Hardware name: To Be Filled By O.E.M.\nJul 22 15:15:37 linux kernel: [ 80.013868] sysfs: cannot create duplicate filename \u0027/devices/system/cpu/cpu1/cpufreq\u0027\nJul 22 15:15:37 linux kernel: [ 80.013870] Modules linked in: powernow_k8\nJul 22 15:15:37 linux kernel: [ 80.013874] Pid: 5750, comm: bash Not tainted 2.6.31-rc2 #40\nJul 22 15:15:37 linux kernel: [ 80.013876] Call Trace:\nJul 22 15:15:37 linux kernel: [ 80.013879] [\u003cffffffff8112ebda\u003e] ? sysfs_add_one+0xcf/0xe6\nJul 22 15:15:37 linux kernel: [ 80.013884] [\u003cffffffff81041926\u003e] warn_slowpath_common+0x77/0xa4\nJul 22 15:15:37 linux kernel: [ 80.013888] [\u003cffffffff810419a0\u003e] warn_slowpath_fmt+0x3c/0x3e\nJul 22 15:15:37 linux kernel: [ 80.013891] [\u003cffffffff8112ebda\u003e] sysfs_add_one+0xcf/0xe6\nJul 22 15:15:37 linux kernel: [ 80.013894] [\u003cffffffff8112f213\u003e] create_dir+0x58/0x87\nJul 22 15:15:37 linux kernel: [ 80.013898] [\u003cffffffff8112f27a\u003e] sysfs_create_dir+0x38/0x4f\nJul 22 15:15:37 linux kernel: [ 80.013902] [\u003cffffffff811ffb8a\u003e] kobject_add_internal+0x11f/0x1de\nJul 22 15:15:37 linux kernel: [ 80.013905] [\u003cffffffff811ffd21\u003e] kobject_add_varg+0x41/0x4e\nJul 22 15:15:37 linux kernel: [ 80.013908] [\u003cffffffff811ffd7a\u003e] kobject_init_and_add+0x4c/0x57\nJul 22 15:15:37 linux kernel: [ 80.013913] [\u003cffffffff810667bc\u003e] ? mark_lock+0x22/0x228\nJul 22 15:15:37 linux kernel: [ 80.013918] [\u003cffffffff813e8a3b\u003e] cpufreq_add_dev_interface+0x40/0x1e4\n...\n\nThis bug slipped in by git commit:\n150b06f7f223cfd0f808737a5243cceca8ea47fa\n\nWhen splitting up cpufreq_add_dev, the whole cpufreq_add_dev function\nis not left anymore, only cpufreq_add_dev_policy.\nThis patch should reconstruct the identical functionality again as it\nwas before the split.\n\nCC: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "ecf7e4611c89aba7c7fde1183f7e9357695fbcc5", "tree": "607da9e440f53b43ee9186fbe8f5f6a882f55fbe", "parents": [ "909a694e336bf3a6e48b5b51129887a1c5cae04c" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 18:48:47 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:14 2009 -0400" }, "message": "[CPUFREQ] Factor out policy setting from cpufreq_add_dev\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "909a694e336bf3a6e48b5b51129887a1c5cae04c", "tree": "b0f5af649d60c703156574409e8813e8c88b84b8", "parents": [ "19d6f7ec3eb1652fc89dd05ebcc2a21a95c60a5a" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 18:05:42 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:13 2009 -0400" }, "message": "[CPUFREQ] Factor out interface creation from cpufreq_add_dev\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "19d6f7ec3eb1652fc89dd05ebcc2a21a95c60a5a", "tree": "b8b4c02ed6bb39928f60f7336dc60a53a40c25e1", "parents": [ "059019a3c3353b15d8efac5301f72036cc408bd4" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 17:35:39 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:12 2009 -0400" }, "message": "[CPUFREQ] Factor out symlink creation from cpufreq_add_dev\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "059019a3c3353b15d8efac5301f72036cc408bd4", "tree": "658b419d2fa088d8f6222cd3bd36a95394330954", "parents": [ "54e6fe167b8787460ee39e7c333b96e3e2e6a196" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 16:30:03 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:09 2009 -0400" }, "message": "[CPUFREQ] cleanup up -ENOMEM handling in cpufreq_add_dev\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "54e6fe167b8787460ee39e7c333b96e3e2e6a196", "tree": "f8aa48949e3b70a1e8887844741b3a9685c28047", "parents": [ "da470db16c703d7f9617c366a36c6670f89a9830" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 16:28:05 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:09 2009 -0400" }, "message": "[CPUFREQ] Reduce scope of cpu_sys_dev in cpufreq_add_dev\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "ce6c3997c2fce74d12e6d8887a1d8cdf024fa850", "tree": "047d8577b12e9c5dbcf147f4a76bca537d775b4a", "parents": [ "37d0892c5a94e208cf863e3b7bac014edee4346d" ], "author": { "name": "Dominik Brodowski", "email": "linux@dominikbrodowski.net", "time": "Fri Aug 07 22:58:51 2009 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Sep 01 12:45:08 2009 -0400" }, "message": "[CPUFREQ] Re-enable cpufreq suspend and resume code\n\nCommit 4bc5d3413503 is broken and causes regressions:\n\n(1) cpufreq_driver-\u003eresume() and -\u003esuspend() were only called on\n__powerpc__, but you could set them on all architectures. In fact,\n-\u003eresume() was defined and used before the PPC-related commit\n42d4dc3f4e1e complained about in 4bc5d3413503.\n\n(2) Therfore, the resume functions in acpi_cpufreq and speedstep-smi\nwould never be called.\n\n(3) This means speedstep-smi would be unusuable after suspend or resume.\n\nThe _real_ problem was calling cpufreq_driver-\u003eget() with interrupts\noff, but it re-enabling interrupts on some platforms. Why is -\u003eget()\nnecessary?\n\nSome systems like to change the CPU frequency behind our\nback, especially during BIOS-intensive operations like suspend or\nresume. If such systems also use a CPU frequency-dependant timing loop,\ndelays might be off by large factors. Therefore, we need to ascertain\nas soon as possible that the CPU frequency is indeed at the speed we\nthink it is. You can do this two ways: either setting it anew, or trying\nto get it. The latter is what was done, the former also has the same IRQ\nissue.\n\nSo, let\u0027s try something different: defer the checking to after interrupts\nare re-enabled, by calling cpufreq_update_policy() (via schedule_work()).\nTimings may be off until this later stage, so let\u0027s watch out for\nresume regressions caused by the deferred handling of frequency changes\nbehind the kernel\u0027s back.\n\nSigned-off-by: Dominik Brodowski \u003clinux@dominikbrodowski.net\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "4bc5d34135039566b8d6efa2de7515b2be505da8", "tree": "9405817331384c08569d87aee44c1a4160bad9d0", "parents": [ "d5194decd0a6f792b2789eebd4ddf022a248f655" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 04 14:03:25 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 04 14:32:11 2009 -0400" }, "message": "[CPUFREQ] Make cpufreq suspend code conditional on powerpc.\n\nThe suspend code runs with interrupts disabled, and the powerpc workaround we\ndo in the cpufreq suspend hook calls the drivers -\u003eget method.\n\npowernow-k8\u0027s -\u003eget does an smp_call_function_single\nwhich needs interrupts enabled\n\ncpufreq\u0027s suspend/resume code was added in 42d4dc3f4e1e to work around\na hardware problem on ppc powerbooks. If we make all this code\nconditional on powerpc, we avoid the issue above.\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "d5194decd0a6f792b2789eebd4ddf022a248f655", "tree": "3399a6a68b114690787f45a038c6e538f96f175a", "parents": [ "42c74b84c64633dd3badbfc2abd2ef1728b64b30" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Wed Jul 29 11:26:20 2009 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 04 14:32:11 2009 -0400" }, "message": "[CPUFREQ] Fix a kobject reference bug related to managed CPUs\n\nThe first offline/online cycle is successful, the second not.\nDoing:\necho 0 \u003ecpu1/online\necho 1 \u003ecpu1/online\necho 0 \u003ecpu1/online\n\nThe last command will trigger:\nJul 22 14:39:50 linux kernel: [ 593.210125] ------------[ cut here ]------------\nJul 22 14:39:50 linux kernel: [ 593.210139] WARNING: at lib/kref.c:43 kref_get+0x23/0x2b()\nJul 22 14:39:50 linux kernel: [ 593.210144] Hardware name: To Be Filled By O.E.M.\nJul 22 14:39:50 linux kernel: [ 593.210148] Modules linked in: powernow_k8\nJul 22 14:39:50 linux kernel: [ 593.210158] Pid: 378, comm: kondemand/2 Tainted: G W 2.6.31-rc2 #38\nJul 22 14:39:50 linux kernel: [ 593.210163] Call Trace:\nJul 22 14:39:50 linux kernel: [ 593.210171] [\u003cffffffff812008e8\u003e] ? kref_get+0x23/0x2b\nJul 22 14:39:50 linux kernel: [ 593.210181] [\u003cffffffff81041926\u003e] warn_slowpath_common+0x77/0xa4\nJul 22 14:39:50 linux kernel: [ 593.210190] [\u003cffffffff81041962\u003e] warn_slowpath_null+0xf/0x11\nJul 22 14:39:50 linux kernel: [ 593.210198] [\u003cffffffff812008e8\u003e] kref_get+0x23/0x2b\nJul 22 14:39:50 linux kernel: [ 593.210206] [\u003cffffffff811ffa19\u003e] kobject_get+0x1a/0x22\nJul 22 14:39:50 linux kernel: [ 593.210214] [\u003cffffffff813e815d\u003e] cpufreq_cpu_get+0x8a/0xcb\nJul 22 14:39:50 linux kernel: [ 593.210222] [\u003cffffffff813e87d1\u003e] __cpufreq_driver_getavg+0x1d/0x67\nJul 22 14:39:50 linux kernel: [ 593.210231] [\u003cffffffff813ea18f\u003e] do_dbs_timer+0x158/0x27f\nJul 22 14:39:50 linux kernel: [ 593.210240] [\u003cffffffff810529ea\u003e] worker_thread+0x200/0x313\n...\n\nThe output continues on every do_dbs_timer ondemand freq checking poll.\nThis regression was introduced by git commit:\n3f4a782b5ce2698b1870b5a7b573cd721d4fce33\n\nThe policy is released when the cpufreq device is removed in:\n__cpufreq_remove_dev():\n\t/* if this isn\u0027t the CPU which is the parent of the kobj, we\n\t * only need to unlink, put and exit\n\t */\n\nNot creating the symlink is not sever at all.\nAs long as:\nsysfs_remove_link(\u0026sys_dev-\u003ekobj, \"cpufreq\");\nhandles it gracefully that the symlink did not exist.\nPossibly no error should be returned at all, because ondemand\ngovernor would still provide the same functionality.\nUserspace in userspace gov case might be confused if the link\nis missing.\n\nResolves http://bugzilla.kernel.org/show_bug.cgi?id\u003d13903\n\nCC: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\nCC: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "42c74b84c64633dd3badbfc2abd2ef1728b64b30", "tree": "16b9378a38cde51f50078a2d5d41353d346d0dc4", "parents": [ "26d204afa18f7df177f21bdb3759e0098ca8f7d5" ], "author": { "name": "Prarit Bhargava", "email": "prarit@redhat.com", "time": "Mon Aug 03 10:58:11 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Aug 04 14:32:10 2009 -0400" }, "message": "[CPUFREQ] Do not set policy for offline cpus\n\nSuspend/Resume fails on multi socket, multi core systems because the cpufreq\ncode erroneously sets the per_cpu policy_cpu value when a logical cpu is\noffline.\n\nThis most notably results in missing sysfs files that are used to set the\ncpu frequencies of the various cpus.\n\nSigned-off-by: Prarit Bhargava \u003cprarit@redhat.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "5e1596f75395e7a402e1059c518e633d2732dcf8", "tree": "38125e71bb4f67c4ad9693a638f507b249a4ded1", "parents": [ "44b572809581d5a10dbe35aa6bf689f32b9c5ad6" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 16:14:23 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Jul 08 19:04:23 2009 -0400" }, "message": "[CPUFREQ] Fix compile failure in cpufreq.c\n\nmanaged_policy is out of scope for the non-smp case.\nDeclare it locally where used (twice)\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "3f4a782b5ce2698b1870b5a7b573cd721d4fce33", "tree": "bed89982d8baa4d086ae6edbab92065d712a3793", "parents": [ "ee88415caf736b89500f16e0a545614541a45005" ], "author": { "name": "Mathieu Desnoyers", "email": "mathieu.desnoyers@polymtl.ca", "time": "Fri Jul 03 11:25:16 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Jul 06 21:38:28 2009 -0400" }, "message": "[CPUFREQ] fix (utter) cpufreq_add_dev mess\n\nOK, I\u0027ve tried to clean it up the best I could, but please test this with\nconcurrent cpu hotplug and cpufreq add/remove in loops. I\u0027m sure we will make\nother interesting findings.\n\nThis is step one of fixing the overall locking dependency mess in cpufreq.\n\nSigned-off-by: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\nCC: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCC: rjw@sisk.pl\nCC: mingo@elte.hu\nCC: Shaohua Li \u003cshaohua.li@intel.com\u003e\nCC: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCC: Dave Young \u003chidave.darkstar@gmail.com\u003e\nCC: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nCC: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCC: sven.wegener@stealer.net\nCC: cpufreq@vger.kernel.org\nCC: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "7d26e2d5e2da37e92c6c7644b26b294dedd8c982", "tree": "44d1637ac603fad42cbbf28ba7a89c9e194c4d0f", "parents": [ "faf80d62e44dc627efb741f48db50c1858d1667c" ], "author": { "name": "venkatesh.pallipadi@intel.com", "email": "venkatesh.pallipadi@intel.com", "time": "Thu Jul 02 17:08:30 2009 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Jul 06 21:38:27 2009 -0400" }, "message": "[CPUFREQ] Eliminate the recent lockdep warnings in cpufreq\n\nCommit b14893a62c73af0eca414cfed505b8c09efc613c although it was very\nmuch needed to properly cleanup ondemand timer, opened-up a can of worms\nrelated to locking dependencies in cpufreq.\n\nPatch here defines the need for dbs_mutex and cleans up its usage in\nondemand governor. This also resolves the lockdep warnings reported here\n\nhttp://lkml.indiana.edu/hypermail/linux/kernel/0906.1/01925.html\nhttp://lkml.indiana.edu/hypermail/linux/kernel/0907.0/00820.html\n\nand few others..\n\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\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": "42a06f2166f2f6f7bf04f32b4e823eacdceafdc9", "tree": "c5e08605fe4578bf1c35fab20eed520f505d767d", "parents": [ "d38e73e8dad454a5916f446b0d3523c1161ae95a" ], "author": { "name": "Mathieu Desnoyers", "email": "mathieu.desnoyers@polymtl.ca", "time": "Sun May 17 10:23:52 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue May 26 12:04:50 2009 -0400" }, "message": "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call\n\n* Rafael J. Wysocki (rjw@sisk.pl) wrote:\n\u003e This message has been generated automatically as a part of a report\n\u003e of regressions introduced between 2.6.28 and 2.6.29.\n\u003e\n\u003e The following bug entry is on the current list of known regressions\n\u003e introduced between 2.6.28 and 2.6.29. Please verify if it still should\n\u003e be listed and let me know (either way).\n\u003e\n\u003e\n\u003e Bug-Entry\t: http://bugzilla.kernel.org/show_bug.cgi?id\u003d13186\n\u003e Subject\t\t: cpufreq timer teardown problem\n\u003e Submitter\t: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\n\u003e Date\t\t: 2009-04-23 14:00 (24 days old)\n\u003e References\t: http://marc.info/?l\u003dlinux-kernel\u0026m\u003d124049523515036\u0026w\u003d4\n\u003e Handled-By\t: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\n\u003e Patch\t\t: http://patchwork.kernel.org/patch/19754/\n\u003e \t\t http://patchwork.kernel.org/patch/19753/\n\nThe patches linked above depend on the following patch to remove\ncircular locking dependency :\n\ncpufreq: remove rwsem lock from CPUFREQ_GOV_STOP call\n\n(the following issue was faced when using cancel_delayed_work_sync() in the\ntimer teardown (which fixes a race).\n\n* KOSAKI Motohiro (kosaki.motohiro@jp.fujitsu.com) wrote:\n\u003e Hi\n\u003e\n\u003e my box output following warnings.\n\u003e it seems regression by commit 7ccc7608b836e58fbacf65ee4f8eefa288e86fac.\n\u003e\n\u003e A: work -\u003e do_dbs_timer() -\u003e cpu_policy_rwsem\n\u003e B: store() -\u003e cpu_policy_rwsem -\u003e cpufreq_governor_dbs() -\u003e work\n\u003e\n\u003e\n\nHrm, I think it must be due to my attempt to fix the timer teardown race\nin ondemand governor mixed with new locking behavior in 2.6.30-rc.\n\nThe rwlock seems to be taken around the whole call to\ncpufreq_governor_dbs(), when it should be only taken around accesses to\nthe locked data, and especially *not* around the call to\ndbs_timer_exit().\n\nReverting my fix attempt would put the teardown race back in place\n(replacing the cancel_delayed_work_sync by cancel_delayed_work).\nInstead, a proper fix would imply modifying this critical section :\n\ncpufreq.c: __cpufreq_remove_dev()\n...\n if (cpufreq_driver-\u003etarget)\n __cpufreq_governor(data, CPUFREQ_GOV_STOP);\n\n unlock_policy_rwsem_write(cpu);\n\nTo make sure the __cpufreq_governor() callback is not called with rwsem\nheld. This would allow execution of cancel_delayed_work_sync() without\nbeing nested within the rwsem.\n\nApplies on top of the 2.6.30-rc5 tree.\n\nRequired to remove circular dep in teardown of both conservative and\nondemande governors so they can use cancel_delayed_work_sync().\nCPUFREQ_GOV_STOP does not modify the policy, therefore this locking seemed\nunneeded.\n\nSigned-off-by: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\nCC: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Greg KH \u003cgreg@kroah.com\u003e\nCC: Ingo Molnar \u003cmingo@elte.hu\u003e\nCC: \"Rafael J. Wysocki\" \u003crjw@sisk.pl\u003e\nCC: Ben Slusky \u003csluskyb@paranoiacs.org\u003e\nCC: Chris Wright \u003cchrisw@sous-sol.org\u003e\nCC: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "ada19a31a90b4f46c040c25ef4ef8ffc203c7fc6", "tree": "7d523d2d90dbaa973c5843d6219ec149b5949243", "parents": [ "8d80ce80e1d58ba9cd3e3972b112cccd6b4008f4", "36e8abf3edcd2d207193ec5741d1a2a645d470a5" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Mar 26 11:04:08 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Mar 26 11:04:08 2009 -0700" }, "message": "Merge branch \u0027next\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq\n\n* \u0027next\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: (35 commits)\n [CPUFREQ] Prevent p4-clockmod from auto-binding to the ondemand governor.\n [CPUFREQ] Make cpufreq-nforce2 less obnoxious\n [CPUFREQ] p4-clockmod reports wrong frequency.\n [CPUFREQ] powernow-k8: Use a common exit path.\n [CPUFREQ] Change link order of x86 cpufreq modules\n [CPUFREQ] conservative: remove 10x from def_sampling_rate\n [CPUFREQ] conservative: fixup governor to function more like ondemand logic\n [CPUFREQ] conservative: fix dbs_cpufreq_notifier so freq is not locked\n [CPUFREQ] conservative: amend author\u0027s email address\n [CPUFREQ] Use swap() in longhaul.c\n [CPUFREQ] checkpatch cleanups for acpi-cpufreq\n [CPUFREQ] powernow-k8: Only print error message once, not per core.\n [CPUFREQ] ondemand/conservative: sanitize sampling_rate restrictions\n [CPUFREQ] ondemand/conservative: deprecate sampling_rate{min,max}\n [CPUFREQ] powernow-k8: Always compile powernow-k8 driver with ACPI support\n [CPUFREQ] Introduce /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_transition_latency\n [CPUFREQ] checkpatch cleanups for powernow-k8\n [CPUFREQ] checkpatch cleanups for ondemand governor.\n [CPUFREQ] checkpatch cleanups for powernow-k7\n [CPUFREQ] checkpatch cleanups for speedstep related drivers.\n ...\n" }, { "commit": "129f8ae9b1b5be94517da76009ea956e89104ce8", "tree": "f79cbe8397dd2578349d3aefe25dc72f26eab291", "parents": [ "694593e3374a67d95ece6a275a1f181644c2c4d8" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Mar 09 15:07:33 2009 -0400" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Mar 09 15:07:33 2009 -0400" }, "message": "Revert \"[CPUFREQ] Disable sysfs ui for p4-clockmod.\"\n\nThis reverts commit e088e4c9cdb618675874becb91b2fd581ee707e6.\n\nRemoving the sysfs interface for p4-clockmod was flagged as a\nregression in bug 12826.\n\nCourse of action:\n - Find out the remaining causes of overheating, and fix them\n if possible. ACPI should be doing the right thing automatically.\n If it isn\u0027t, we need to fix that.\n - mark p4-clockmod ui as deprecated\n - try again with the removal in six months.\n\nIt\u0027s not really feasible to printk about the deprecation, because\nit needs to happen at all the sysfs entry points, which means adding\na lot of strcmp(\"p4-clockmod\".. calls to the core, which.. bleuch.\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "ed12978453a3845c947695e7ad32bb3ede444813", "tree": "6fcec1eaa023fd2cadce8e82a17b9b890f59fd88", "parents": [ "0e64a0c982c06a6b8f5e2a7f29eb108fdf257b2f" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Wed Feb 04 01:17:41 2009 +0100" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Feb 24 22:47:31 2009 -0500" }, "message": "[CPUFREQ] Introduce /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_transition_latency\n\nIt\u0027s not only useful for the ondemand and conservative governors, but\nalso for userspace daemons to know about the HW transition latency of\nthe CPU.\nIt is especially useful for userspace to know about this value when\nthe ondemand or conservative governors are run. The sampling rate\ncontrol value depends on it and for userspace being able to set sane\ntuning values there it has to know about the transition latency.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "29464f281389fd7e9adf969de7bbeb20b8596f82", "tree": "7efe93cfa513898aa2144733aacb61ce8f9beee6", "parents": [ "6072ace436800a011c3cb9a75ee49276bd90445a" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Sun Jan 18 01:37:11 2009 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Feb 24 22:47:29 2009 -0500" }, "message": "[CPUFREQ] checkpatch cleanups for cpufreq core\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "835481d9bcd65720b473db6b38746a74a3964218", "tree": "a6f0fa205542cf73a980a2f8e41d5e908a33b6d6", "parents": [ "5cb0535f1713b51610f2881b17d0fe3656114364" ], "author": { "name": "Rusty Russell", "email": "rusty@rustcorp.com.au", "time": "Sun Jan 04 05:18:06 2009 -0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Jan 06 09:05:31 2009 +0100" }, "message": "cpumask: convert struct cpufreq_policy to cpumask_var_t\n\nImpact: use new cpumask API to reduce memory usage\n\nThis is part of an effort to reduce structure sizes for machines\nconfigured with large NR_CPUS. cpumask_t gets replaced by\ncpumask_var_t, which is either struct cpumask[1] (small NR_CPUS) or\nstruct cpumask * (large NR_CPUS).\n\nSigned-off-by: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nSigned-off-by: Mike Travis \u003ctravis@sgi.com\u003e\nAcked-by: Dave Jones \u003cdavej@redhat.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "187d9f4ed4fc089f1f25a875fb485e27626972f9", "tree": "321746d8966250b00698361dfc1cadeec8d0560f", "parents": [ "8529154ec3f3ac20344c65b7a040c604c7af7651" ], "author": { "name": "Mike Chan", "email": "mike@android.com", "time": "Thu Dec 04 12:19:17 2008 -0800" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Fri Dec 05 15:20:11 2008 -0500" }, "message": "[CPUFREQ] Fix on resume, now preserves user policy min/max.\n\nPreviously driver resume would always set the current policy min/max with\nthe cpuinfo min/max, defined by user_policy.min/max. Resulting in a reset\nof policy settings when policy.min/max !\u003d cpuinfo.min/max when coming out\nof suspend. Now user_policy is saved as the policy instead of cpuinfo to\npreserve what the user actually set.\n\nSigned-off-by: Mike Chan \u003cmike@android.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "e088e4c9cdb618675874becb91b2fd581ee707e6", "tree": "48231c406061308502f13c7781a6957ef396a739", "parents": [ "10db2e5cbda5b4e13d2e2f134b963bee2e129999" ], "author": { "name": "Matthew Garrett", "email": "mjg@redhat.com", "time": "Tue Nov 25 13:29:47 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Fri Dec 05 15:20:10 2008 -0500" }, "message": "[CPUFREQ] Disable sysfs ui for p4-clockmod.\n\np4-clockmod has a long history of abuse. It pretends to be a CPU\nfrequency scaling driver, even though it doesn\u0027t actually change\nthe CPU frequency, but instead just modulates the frequency with\nwait-states.\nThe biggest misconception is that when running at the lower \u0027frequency\u0027\np4-clockmod is saving power. This isn\u0027t the case, as workloads running\nslower take longer to complete, preventing the CPU from entering deep C states.\n\nHowever p4-clockmod does have a purpose. It can prevent overheating.\nHaving it hooked up to the cpufreq interfaces is the wrong way to achieve\ncooling however. It should instead be hooked up to ACPI.\n\nThis diff introduces a means for a cpufreq driver to register with the\ncpufreq core, but not present a sysfs interface.\n\nSigned-off-by: Matthew Garrett \u003cmjg@redhat.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "bf0b90e357c883e8efd72954432efe652de74c76", "tree": "a10758a069cdea10b36856b458a509b144bae3bb", "parents": [ "8217e4f4c93e5fb59bb3cd1e6135213889349f86" ], "author": { "name": "venkatesh.pallipadi@intel.com", "email": "venkatesh.pallipadi@intel.com", "time": "Mon Aug 04 11:59:07 2008 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Oct 09 13:52:43 2008 -0400" }, "message": "[CPUFREQ][1/6] cpufreq: Add cpu number parameter to __cpufreq_driver_getavg()\n\nAdd a cpu parameter to __cpufreq_driver_getavg(). This is needed for software\ncpufreq coordination where policy-\u003ecpu may not be same as the CPU on which we\nwant to getavg frequency.\n\nA follow-on patch will use this parameter to getavg freq from all cpus\nin policy-\u003ecpus.\n\nChange since last patch. Fix the offline/online and suspend/resume\noops reported by Youquan Song \u003cyouquan.song@intel.com\u003e\n\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "f1829e4a371f26430185a9d5b97b8d9d19824e08", "tree": "e93626b049d174430d1431708398a90a4b756ed5", "parents": [ "888a794cacd8950ac6be701db20b62a4ab2ce90c" ], "author": { "name": "Julia Lawall", "email": "julia@diku.dk", "time": "Fri Jul 25 22:44:53 2008 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Oct 09 13:52:43 2008 -0400" }, "message": "[CPUFREQ] drivers/cpufreq/cpufreq.c: Adjust error handling code involving cpufreq_cpu_put\n\nAfter calling cpufreq_cpu_get, error handling code should call\ncpufreq_cpu_put.\n\nThe semantic match that finds this problem is as follows:\n(http://www.emn.fr/x-info/coccinelle/)\n\n// \u003csmpl\u003e\n@r@\nexpression x,E;\nstatement S;\nposition p1,p2,p3;\n@@\n\n(\nif ((x \u003d cpufreq_cpu_get@p1(...)) \u003d\u003d NULL || ...) S\n|\nx \u003d cpufreq_cpu_get@p1(...)\n... when !\u003d x\nif (x \u003d\u003d NULL || ...) S\n)\n\u003c...\nif@p3 (...) { ... when !\u003d cpufreq_cpu_put(x)\n when !\u003d if (x) { ... cpufreq_cpu_put(x); ...}\n return@p2 ...;\n}\n...\u003e\n(\nreturn x;\n|\nreturn 0;\n|\nx \u003d E\n|\nE \u003d x\n|\ncpufreq_cpu_put(x)\n)\n\n@exists@\nposition r.p1,r.p2,r.p3;\nexpression x;\nint ret !\u003d 0;\nstatement S;\n@@\n\n* x \u003d cpufreq_cpu_get@p1(...)\n \u003c...\n* if@p3 (...)\n S\n ...\u003e\n* return@p2 \\(NULL\\|ret\\);\n// \u003c/smpl\u003e\n\nSigned-off-by: Julia Lawall \u003cjulia@diku.dk\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "a1531acd43310a7e4571d52e8846640667f4c74b", "tree": "ccb0a733180644ec8856219711e6119fd05d4737", "parents": [ "1a4e564b7db999fbe5d88318c96ac8747699d417" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Tue Jul 29 22:32:58 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 30 09:41:43 2008 -0700" }, "message": "cpufreq acpi: only call _PPC after cpufreq ACPI init funcs got called already\n\nIngo Molnar provided a fix to not call _PPC at processor driver\ninitialization time in \"[PATCH] ACPI: fix cpufreq regression\" (git\ncommit e4233dec749a3519069d9390561b5636a75c7579)\n\nBut it can still happen that _PPC is called at processor driver\ninitialization time.\n\nThis patch should make sure that this is not possible anymore.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nCc: Andi Kleen \u003candi@firstfloor.org\u003e\nCc: Len Brown \u003clenb@kernel.org\u003e\nCc: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: \u003cstable@kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "26dcce0fabbef75ae426461edf21b5030bad60f3", "tree": "56c64fa47dc29f7ea5a8fd0cab0459fb0a05a2bc", "parents": [ "d7b6de14a0ef8a376f9d57b867545b47302b7bfb", "eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 23 18:37:44 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 23 18:37:44 2008 -0700" }, "message": "Merge branch \u0027cpus4096-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027cpus4096-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits)\n NR_CPUS: Replace NR_CPUS in speedstep-centrino.c\n cpumask: Provide a generic set of CPUMASK_ALLOC macros, FIXUP\n NR_CPUS: Replace NR_CPUS in cpufreq userspace routines\n NR_CPUS: Replace per_cpu(..., smp_processor_id()) with __get_cpu_var\n NR_CPUS: Replace NR_CPUS in arch/x86/kernel/genapic_flat_64.c\n NR_CPUS: Replace NR_CPUS in arch/x86/kernel/genx2apic_uv_x.c\n NR_CPUS: Replace NR_CPUS in arch/x86/kernel/cpu/proc.c\n NR_CPUS: Replace NR_CPUS in arch/x86/kernel/cpu/mcheck/mce_64.c\n cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c, fix\n cpumask: Use optimized CPUMASK_ALLOC macros in the centrino_target\n cpumask: Provide a generic set of CPUMASK_ALLOC macros\n cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c\n cpumask: Optimize cpumask_of_cpu in kernel/time/tick-common.c\n cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c\n cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/ldt.c\n cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/io_apic_64.c\n cpumask: Replace cpumask_of_cpu with cpumask_of_cpu_ptr\n Revert \"cpumask: introduce new APIs\"\n cpumask: make for_each_cpu_mask a bit smaller\n net: Pass reference to cpumask variable in net/sunrpc/svc.c\n ...\n\nFix up trivial conflicts in drivers/cpufreq/cpufreq.c manually\n" }, { "commit": "6d52dcbe56ca8464bcad56d98a64bcd781596663", "tree": "607e1d2dee3998dad356d8c909189353a32aaa0e", "parents": [ "eb4225b2da2b9f3c1ee43efe58ed1415cc1d4c47", "48adcf148c83faa41999fb0b3524299c4e160fd9" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jul 21 15:10:37 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jul 21 15:10:37 2008 -0700" }, "message": "Merge branch \u0027next\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq\n\n* \u0027next\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:\n [CPUFREQ] cpufreq: remove CVS keywords\n [CPUFREQ] change cpu freq arrays to per_cpu variables\n" }, { "commit": "68083e05d72d94f347293d8cc0067050ba904bfa", "tree": "842e71365bd90866be7add181661a4039d891564", "parents": [ "7baac8b91f9871ba8cb09af84de4ae1d86d07812", "b7279469d66b55119784b8b9529c99c1955fe747" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Jul 06 14:23:39 2008 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sun Jul 06 14:23:39 2008 +0200" }, "message": "Merge commit \u0027v2.6.26-rc9\u0027 into cpus4096\n" }, { "commit": "cc55875e26e2b85484b196edbada6caf84eb7765", "tree": "34c569f2b2c0dc8f92bce6e11598519736364915", "parents": [ "d563923011110a91bdbf1d89055c3e803ec01f0f", "326f6a5c9c9e1a62aec37bdc0c3f8d53adabe77b" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jun 09 11:27:55 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jun 09 11:27:55 2008 -0700" }, "message": "Merge branch \u0027fixes\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq\n\n* \u0027fixes\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:\n [CPUFREQ] Fix format string bug.\n" }, { "commit": "326f6a5c9c9e1a62aec37bdc0c3f8d53adabe77b", "tree": "9e9ba7c0279245ba7b93fc1bb409b4921c0a418d", "parents": [ "dca026139317dcbc642a30320d551f559692182f" ], "author": { "name": "Chris Wright", "email": "chrisw@sous-sol.org", "time": "Fri Jun 06 21:26:02 2008 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Jun 09 13:24:55 2008 -0400" }, "message": "[CPUFREQ] Fix format string bug.\n\nFormat string bug. Not exploitable, as this is only writable by root,\nbut worth fixing all the same.\n\nSpotted-by: Ilja van Sprundel \u003cilja@netric.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "879000f94442860e72c934f9e568989bc7fb8ec4", "tree": "c6d9aa713735deb49503ca9c65edbc8d557f3a71", "parents": [ "10732c35dff6c2e15e413e7806a7114a2faa0ecf" ], "author": { "name": "CHIKAMA masaki", "email": "masaki.chikama@gmail.com", "time": "Thu Jun 05 22:46:33 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jun 06 11:29:11 2008 -0700" }, "message": "cpufreq: fix null object access on Transmeta CPU\n\nIf cpu specific cpufreq driver(i.e. longrun) has \"setpolicy\" function,\ngovernor object isn\u0027t set into cpufreq_policy object at \"__cpufreq_set_policy\"\nfunction in driver/cpufreq/cpufreq.c .\n\nThis causes a null object access at \"store_scaling_setspeed\" and\n\"show_scaling_setspeed\" function in driver/cpufreq/cpufreq.c when reading or\nwriting through /sys interface (ex. cat\n/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed)\n\nAddresses:\n\thttp://bugzilla.kernel.org/show_bug.cgi?id\u003d10654\n\thttps://bugzilla.redhat.com/show_bug.cgi?id\u003d443354\n\nSigned-off-by: CHIKAMA Masaki \u003cmasaki.chikama@gmail.com\u003e\nCc: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\nCc: Chuck Ebbert \u003ccebbert@redhat.com\u003e\nAcked-by: Dominik Brodowski \u003clinux@dominikbrodowski.net\u003e\nCc: \u003cstable@kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "dca026139317dcbc642a30320d551f559692182f", "tree": "93328a56b4fe715ac915d56c0473c9770c2e0c09", "parents": [ "4f74369422b883164c50b5936517d010a3e1ce59" ], "author": { "name": "Lothar Waßmann", "email": "LW@KARO-electronics.de", "time": "Thu May 29 17:54:52 2008 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu May 29 12:10:12 2008 -0400" }, "message": "[CPUFREQ] fix double unlock of cpu_policy_rwsem in drivers/cpufreq/cpufreq.c\n\nIn drivers/cpufreq/cpufreq.c the function cpufreq_add_dev() takes the\nerror exit \u0027err_out_unregister\u0027 from different places once with the\n\u0027cpu_policy_rwsem\u0027 lock held, once with the lock released:\n|\t\tif (ret)\n|\t\t\tgoto err_out_unregister;\n|\t}\n|\n|\tpolicy-\u003egovernor \u003d NULL; /* to assure that the starting sequence is\n|\t\t\t\t * run in cpufreq_set_policy */\n|\n|\t/* set default policy */\n|\tret \u003d __cpufreq_set_policy(policy, \u0026new_policy);\n|\tpolicy-\u003euser_policy.policy \u003d policy-\u003epolicy;\n|\tpolicy-\u003euser_policy.governor \u003d policy-\u003egovernor;\n|\n|\tunlock_policy_rwsem_write(cpu);\n|\n|\tif (ret) {\n|\t\tdprintk(\"setting policy failed\\n\");\n|\t\tgoto err_out_unregister;\n|\t}\n\nThis leads to the following error message in case of a failing\n__cpufreq_set_policy() call:\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n[ BUG: bad unlock balance detected! ]\n-------------------------------------\nswapper/1 is trying to release lock (\u0026per_cpu(cpu_policy_rwsem, cpu)) at:\n[\u003cc01b4564\u003e] unlock_policy_rwsem_write+0x30/0x40\nbut there are no more locks to release!\n\nother info that might help us debug this:\n1 lock held by swapper/1:\n #0: (sysdev_drivers_lock){--..}, at: [\u003cc018fd18\u003e] sysdev_driver_register+0x74/0x130\n\nstack backtrace:\n[\u003cc002f588\u003e] (dump_stack+0x0/0x14) from [\u003cc00692fc\u003e] (print_unlock_inbalance_bug+0xc8/0x104)\n[\u003cc0069234\u003e] (print_unlock_inbalance_bug+0x0/0x104) from [\u003cc006b7ac\u003e] (lock_release_non_nested+0xc4/0x19c)\n r6:00000028 r5:c3c1ab80 r4:c01b4564\n[\u003cc006b6e8\u003e] (lock_release_non_nested+0x0/0x19c) from [\u003cc006b9e0\u003e] (lock_release+0x15c/0x18c)\n r8:60000013 r7:00000001 r6:c01b4564 r5:c0541bb4 r4:c3c1ab80\n[\u003cc006b884\u003e] (lock_release+0x0/0x18c) from [\u003cc0061ba0\u003e] (up_write+0x24/0x30)\n r8:c0541b80 r7:00000000 r6:ffffffea r5:c3c34828 r4:c0541b8c\n[\u003cc0061b7c\u003e] (up_write+0x0/0x30) from [\u003cc01b4564\u003e] (unlock_policy_rwsem_write+0x30/0x40)\n r4:c3c34884\n[\u003cc01b4534\u003e] (unlock_policy_rwsem_write+0x0/0x40) from [\u003cc01b4c40\u003e] (cpufreq_add_dev+0x324/0x398)\n[\u003cc01b491c\u003e] (cpufreq_add_dev+0x0/0x398) from [\u003cc018fd64\u003e] (sysdev_driver_register+0xc0/0x130)\n[\u003cc018fca4\u003e] (sysdev_driver_register+0x0/0x130) from [\u003cc01b3574\u003e] (cpufreq_register_driver+0xbc/0x174)\n\nSigned-off-by: Lothar Waßmann \u003cLW@KARO-electronics.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "068b12772a64c2440ef2f64ac5d780688c06576f", "tree": "7361900d68d0370c1b8b1782d3144fdeaa914cbe", "parents": [ "141ad0688adb53094d6f75b39b4b3b0625de0e07" ], "author": { "name": "Mike Travis", "email": "travis@sgi.com", "time": "Mon May 12 21:21:13 2008 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Fri May 23 18:35:12 2008 +0200" }, "message": "cpufreq: use performance variant for_each_cpu_mask_nr\n\nChange references from for_each_cpu_mask to for_each_cpu_mask_nr\nwhere appropriate\n\nReviewed-by: Paul Jackson \u003cpj@sgi.com\u003e\nReviewed-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Mike Travis \u003ctravis@sgi.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n\n" }, { "commit": "7a6aedfac98c6d54ecf97ca1ffb1e6a1f3d26aea", "tree": "404f941cae556ce45b53c90bb4192d9fb53bd233", "parents": [ "860da5e578c25d1ab4528c0d1ad13f9969e3490f" ], "author": { "name": "Mike Travis", "email": "travis@sgi.com", "time": "Tue Mar 25 15:06:53 2008 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon May 19 18:17:49 2008 -0400" }, "message": "[CPUFREQ] change cpu freq arrays to per_cpu variables\n\nChange cpufreq_policy and cpufreq_governor pointer tables\nfrom arrays to per_cpu variables in the cpufreq subsystem.\n\nAlso some minor complaints from checkpatch.pl fixed.\n\nBased on:\n\tgit://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git\n\tgit://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git\n\nSigned-off-by: Mike Travis \u003ctravis@sgi.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "e8628dd06d66f2e3965ec9742029b401d63434f1", "tree": "341d5a2e36c877bd52c5567aa5791557a6920557", "parents": [ "e56a727b023d40d1adf660168883f30f2e6abe0a" ], "author": { "name": "Darrick J. Wong", "email": "djwong@us.ibm.com", "time": "Fri Apr 18 13:31:12 2008 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Apr 28 16:27:08 2008 -0400" }, "message": "[CPUFREQ] expose cpufreq coordination requirements regardless of coordination mechanism\n\nCurrently, affected_cpus shows which CPUs need to have their frequency\ncoordinated in software. When hardware coordination is in use, the contents\nof this file appear the same as when no coordination is required. This can\nlead to some confusion among user-space programs, for example, that do not\nknow that extra coordination is required to force a CPU core to a particular\nspeed to control power consumption.\n\nTo fix this, create a \"related_cpus\" attribute that always displays the\ncoordination map regardless of whatever coordination strategy the cpufreq\ndriver uses (sw or hw). If the cpufreq driver does not provide a value, fall\nback to policy-\u003ecpus.\n\nSigned-off-by: Darrick J. Wong \u003cdjwong@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "74212ca432982903d0fc6a0f282b199e000ad8b1", "tree": "3fb784de921c831cc85577ef7fc9750d1414f1e3", "parents": [ "457091181176643787a547dc04eb3cf5dcd822ce" ], "author": { "name": "Cesar Eduardo Barros", "email": "cesarb@cesarb.net", "time": "Sat Feb 16 08:41:24 2008 -0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Apr 28 15:05:44 2008 -0400" }, "message": "[CPUFREQ] Warn when cpufreq_register_notifier called before pure initcalls\n\nIf cpufreq_register_notifier is called before pure initcalls,\ninit_cpufreq_transition_notifier_list will overwrite whatever it did,\ncausing notifiers to be ignored.\n\nPrint some noise to the kernel log if that happens.\n\nSigned-off-by: Cesar Eduardo Barros \u003ccesarb@cesarb.net\u003e\nSigned-off-by: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\n" }, { "commit": "457091181176643787a547dc04eb3cf5dcd822ce", "tree": "4e9e5434960137470cd39348cef4dbc73d7675d8", "parents": [ "905d77cd95e856b8e0b2d099fb70b9b8ccb7337e" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:07:34 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Apr 28 15:05:42 2008 -0400" }, "message": "[CPUFREQ] Refactor locking in cpufreq_add_dev\n\nSimplify this by moving the unlocking out of the error\npaths into the exit path.\n\nSigned-off-by: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\n" }, { "commit": "905d77cd95e856b8e0b2d099fb70b9b8ccb7337e", "tree": "4f6d4e8cabf27cfbfb7f08719d3cc94d77d7e95f", "parents": [ "4d34a67d0204029079815c8c2753ca647cd0e7e9" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:28:32 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Apr 28 15:05:42 2008 -0400" }, "message": "[CPUFREQ] more CodingStyle\n\nvoid * p -\u003e void *p\nno space between function parameters\nremoved excess whitespace\n\nSigned-off-by: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\n" }, { "commit": "4d34a67d0204029079815c8c2753ca647cd0e7e9", "tree": "710824c28fe784d144bd981ab4f24257766e408a", "parents": [ "c906049447019d69b9cc2d591a142af561afa7f9" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Feb 07 16:33:49 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Apr 28 15:05:41 2008 -0400" }, "message": "[CPUFREQ] CodingStyle\n\nreturn is not a function.\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "c906049447019d69b9cc2d591a142af561afa7f9", "tree": "8ee10b19baf32b1396f0cf85ec6707a6f42e45a8", "parents": [ "e31a94ed371c70855eb30b77c490d6d85dd4da26" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Feb 07 16:32:18 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Apr 28 15:05:41 2008 -0400" }, "message": "[CPUFREQ] Slightly shorten the error paths of cpufreq_suspend/cpufreq_resume\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "f6ebef30e21638417f8f5443ba393d63a0c27e2b", "tree": "2d148d36edb829a2f1d05a69aaeec38c0d4886d7", "parents": [ "0e5aa8d6218f9914b23e492debf653bda5598af3" ], "author": { "name": "Sam Ravnborg", "email": "sam@ravnborg.org", "time": "Sun Feb 17 13:22:52 2008 +0100" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:45:31 2008 -0500" }, "message": "[CPUFREQ] fix section mismatch warnings\n\nFix the following warnings:\nWARNING: vmlinux.o(.text+0xfe6711): Section mismatch in reference from the function cpufreq_unregister_driver() to the variable .cpuinit.data:cpufreq_cpu_notifier\nWARNING: vmlinux.o(.text+0xfe68af): Section mismatch in reference from the function cpufreq_register_driver() to the variable .cpuinit.data:cpufreq_cpu_notifier\nWARNING: vmlinux.o(.exit.text+0xc4fa): Section mismatch in reference from the function cpufreq_stats_exit() to the variable .cpuinit.data:cpufreq_stat_cpu_notifier\n\nThe warnings were casued by references to unregister_hotcpu_notifier()\nfrom normal functions or exit functions.\nThis is flagged by modpost as a potential error because\nit does not know that for the non HOTPLUG_CPU\nscenario the unregister_hotcpu_notifier() is a nop.\nSilence the warning by replacing the __initdata\nannotation with a __refdata annotation.\n\nSigned-off-by: Sam Ravnborg \u003csam@ravnborg.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\n" }, { "commit": "a07530b44547a892dae59f4e0f141f4e6f5e2e40", "tree": "0e14831fba0a476f213d1f5e0f5795b16e6a5c85", "parents": [ "0db4a8a99f6a8534c526e8c9d4b13d098400d485" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:22:25 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:45:31 2008 -0500" }, "message": "[CPUFREQ] Fix missing cpufreq_cpu_put() call in -\u003estore\n\nrefactor to use gotos instead of explicit exit paths\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "0db4a8a99f6a8534c526e8c9d4b13d098400d485", "tree": "47a83704487b43de3c4a0caa8eb9539491ee9221", "parents": [ "29e8c3c304b62f31b799565c9ee85d42bd163f80" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:20:57 2008 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Mar 05 14:45:31 2008 -0500" }, "message": "[CPUFREQ] Fix missing cpufreq_cpu_put() call in -\u003eshow\n\nrefactor to use gotos instead of explicit exit paths\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "7ab47050453c10da13940114dea9c7f1c6ad323f", "tree": "1b50343583ddd59bdfe531b891a5a2599117b589", "parents": [ "b6c24de77cbe9afe4962f0738e6444e709e83c81" ], "author": { "name": "Balaji Rao", "email": "balajirrao@gmail.com", "time": "Sat Feb 09 00:52:40 2008 +0530" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Feb 21 15:27:06 2008 -0800" }, "message": "cpufreq: fix kobject reference count handling\n\nThe cpufreq core should not take an extra kobject reference count for no\nreason, and then refuse to release it. This has been reported as\nkeeping machines from properly powering down all the way.\n\n\nSigned-off-by: Balaji Rao \u003cbalajirrao@gmail.com\u003e\nCc: Dave Jones \u003cdavej@codemonkey.org.uk\u003e\nCc: Yi Yang \u003cyi.y.yang@intel.com\u003e\nCc: Alan Stern \u003cstern@rowland.harvard.edu\u003e\nCc: Frans Pop \u003celendil@planet.nl\u003e\nCc: Yinghai Lu \u003cyhlu.kernel@gmail.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "9e76988e9390a4ff4d171f690586d0c58186b47e", "tree": "e033aa977a66b4ea2dc01b0e846eb7f6f8134857", "parents": [ "b25e75899e449456409cfa1a3b042257c03d4355" ], "author": { "name": "Venki Pallipadi", "email": "venkatesh.pallipadi@intel.com", "time": "Fri Oct 26 10:18:21 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Feb 06 22:57:58 2008 -0500" }, "message": "[CPUFREQ] Eliminate cpufreq_userspace scaling_setspeed deadlock\n\nEliminate cpufreq_userspace scaling_setspeed deadlock.\n\nLuming Yu recently uncovered yet another cpufreq related deadlock.\nOne thread that continuously switches the governors and the other thread that\nrepeatedly cats the contents of cpufreq directory causes both these threads to\ngo into a deadlock.\n\nDetailed examination of the deadlock showed the exact flow before the deadlock\nas:\n\nThread 1\t\t\tThread 2\n________\t\t\t________\n\t\t\t\tcats files under /sys/devices/.../cpufreq/\nSet governor to userspace\n Adds a new sysfs entry for\n scaling_setspeed\n\t\t\t\tcats files under /sys/devices/.../cpufreq/\n\nSet governor to performance\n Holds cpufreq_rw_sem in write\n mode\n Sends a STOP notify to\n userspace governor\n\t\t\t\tcat /sys/devices/.../cpufreq/scaling_setspeed\n\t\t\t\t Gets a handle on the above sysfs entry with\n\t\t\t\t sysfs_get_active\n\t\t\t\t Blocks while trying to get cpufreq_rw_sem\n\t\t\t\t in read mode\n Remove a sysfs entry for\n scaling_setspeed\n Blocks on sysfs_deactivate\n while waiting for earlier\n get_active (on other thread)\n to drain\n\nAt this point both threads go into deadlock and any other thread that tries to\ndo anything with sysfs cpufreq will also block.\n\nThere seems to be no easy way to avoid this deadlock as long as\ncpufreq_userspace adds/removes the sysfs entry under same kobject as cpufreq.\nBelow patch moves scaling_setspeed to cpufreq.c, keeping it always and calling\nback the governor on read/write. This is the cleanest fix I could think of,\neven though adding two callbacks in governor structure just for this seems\nunnecessary.\n\nNote that the change makes scaling_setspeed under /sys/.../cpufreq permanent\nand returns \u003cunsupported\u003e when governor is not userspace.\n\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "a4a9df5825bf8fc69618807436bf927aeb1e1c27", "tree": "30073ebf28ea4a13716c35faec34f5809896ef66", "parents": [ "cdbec9a0ad35f9ace53b063c8ccf4e2db823e674" ], "author": { "name": "Joe Perches", "email": "joe@perches.com", "time": "Mon Nov 19 17:48:06 2007 -0800" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Feb 06 22:57:57 2008 -0500" }, "message": "[CPUFREQ] drivers/cpufreq: Add missing \"space\"\n\nSigned-off-by: Joe Perches \u003cjoe@perches.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "53391fa20cab6df6b476a5a0ad6be653c9de0c46", "tree": "9aa7cf97cd9c8f735f7281f0fee1a9f23b053b56", "parents": [ "1ce357129a55a791318e23f5d7b8a9f1352858aa" ], "author": { "name": "Yi Yang", "email": "yi.y.yang@intel.com", "time": "Wed Jan 30 13:33:34 2008 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Jan 30 13:33:34 2008 +0100" }, "message": "cpufreq: fix obvious condition statement error\n\nThe function __cpufreq_set_policy in file drivers/cpufreq/cpufreq.c\nhas a very obvious error:\n\n if (policy-\u003emin \u003e data-\u003emin \u0026\u0026 policy-\u003emin \u003e policy-\u003emax) {\n ret \u003d -EINVAL;\n goto error_out;\n }\n\nThis condtion statement is wrong because it returns -EINVAL only if\npolicy-\u003emin is greater than policy-\u003emax (in this case,\n\"policy-\u003emin \u003e data-\u003emin\" is true for ever.). In fact, it should\nreturn -EINVAL as well if policy-\u003emax is less than data-\u003emin.\n\nThe correct condition should be:\n\n\tif (policy-\u003emin \u003e data-\u003emax || policy-\u003emax \u003c data-\u003emin) {\n\nThe following test result testifies the above conclusion:\n\nBefore applying this patch:\n\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n2394000 1596000\n[root@yangyi-dev /]# echo 1596000 \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n1596000\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq\n1596000\n[root@yangyi-dev /]# echo \"2000000\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq\n-bash: echo: write error: Invalid argument\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq\n1596000\n[root@yangyi-dev /]# echo \"0\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n1596000\n[root@yangyi-dev /]# echo \"1595000\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n1596000\n[root@yangyi-dev /]#\n\nAfter applying this patch:\n\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n2394000 1596000\n[root@yangyi-dev /]# echo 1596000 \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n1596000\n[root@yangyi-dev /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq\n1596000\n[root@localhost /]# echo \"2000000\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq\n-bash: echo: write error: Invalid argument\n[root@localhost /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq\n1596000\n[root@localhost /]# echo \"0\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n-bash: echo: write error: Invalid argument\n[root@localhost /]# echo \"1595000\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n-bash: echo: write error: Invalid argument\n[root@localhost /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n1596000\n[root@localhost /]# echo \"1596000\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n[root@localhost /]# echo \"2394000\" \u003e /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n[root@localhost /]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq\n2394000\n[root@localhost /]\n\nSigned-off-by: Yi Yang \u003cyi.y.yang@intel.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "c10997f6575f476ff38442fa18fd4a0d80345f9d", "tree": "9b2bb7e647bd39fb80f23d7a6b34bf2587d660a7", "parents": [ "38a382ae5dd4f4d04e3046816b0a41836094e538" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Dec 20 08:13:05 2007 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:40 2008 -0800" }, "message": "Kobject: convert drivers/* from kobject_unregister() to kobject_put()\n\nThere is no need for kobject_unregister() anymore, thanks to Kay\u0027s\nkobject cleanup changes, so replace all instances of it with\nkobject_put().\n\n\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "038c5b3e412b0b751cb4b1507506bad3c7ffefae", "tree": "9f3be89c2646b23eebebc80420e0c886b6623866", "parents": [ "d6d292c451e0ffe715fff36dc3a1129868258fa3" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Dec 17 15:54:39 2007 -0400" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:28 2008 -0800" }, "message": "Kobject: change drivers/cpufreq/cpufreq.c to use kobject_init_and_add\n\nStop using kobject_register, as this way we can control the sending of\nthe uevent properly, after everything is properly initialized.\n\nCc: Dominik Brodowski \u003clinux@brodo.de\u003e\nCc: Ashok Raj \u003cashok.raj@intel.com\u003e\nCc: Jacob Shin \u003cjacob.shin@amd.com\u003e\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "bd6cba53c524dccf72900435d29722b22f61d835", "tree": "ef16fee47a90de1dc891f5814bee014ebe7f1546", "parents": [ "9548b209a37397f3036aa5bd3d5b4d3b725aa11a" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Dec 17 16:19:58 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Dec 17 19:28:16 2007 -0800" }, "message": "cpufreq: fix missing unlocks in cpufreq_add_dev error paths.\n\nIngo hit some BUG_ONs that were probably caused by these missing unlocks\ncausing an unbalance. He couldn\u0027t reproduce the bug reliably, so it\u0027s\nunknown that it\u0027s definitly fixing the problem he hit, but it\u0027s a fairly\ngood chance, and this fixes an obvious bug.\n\n[ Dave: \"Ingo followed up that he hit some lockdep related output with\n this applied, so it may not be right. I\u0027ll look at it after\n xmas if no-one has it figured out before then.\"\n Akpm: \"It looks pretty correct to me though.\" ]\n\nSigned-off-by: Dave Jones \u003cdavej@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": "efefc6eb38d43b8e5daef482f575d767b002004e", "tree": "8a3933db1f8721f9bcc9912c800dc8406f4bdf94", "parents": [ "117494a1b65183f0e3fcc817b07944bc5c465050", "cd59abfcc441b2abb4cf2cd62c1eb0f02a60e8dd" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 12 15:49:37 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 12 15:49:37 2007 -0700" }, "message": "Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6\n\n* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (75 commits)\n PM: merge device power-management source files\n sysfs: add copyrights\n kobject: update the copyrights\n kset: add some kerneldoc to help describe what these strange things are\n Driver core: rename ktype_edd and ktype_efivar\n Driver core: rename ktype_driver\n Driver core: rename ktype_device\n Driver core: rename ktype_class\n driver core: remove subsystem_init()\n sysfs: move sysfs file poll implementation to sysfs_open_dirent\n sysfs: implement sysfs_open_dirent\n sysfs: move sysfs_dirent-\u003es_children into sysfs_dirent-\u003es_dir\n sysfs: make sysfs_root a regular directory dirent\n sysfs: open code sysfs_attach_dentry()\n sysfs: make s_elem an anonymous union\n sysfs: make bin attr open get active reference of parent too\n sysfs: kill unnecessary NULL pointer check in sysfs_release()\n sysfs: kill unnecessary sysfs_get() in open paths\n sysfs: reposition sysfs_dirent-\u003es_mode.\n sysfs: kill sysfs_update_file()\n ...\n" }, { "commit": "19c38de88a80913351fcacefdb461cc0b585fa87", "tree": "17d2978ce27861926a0d9a3eb49471b9b736f968", "parents": [ "5901d0145c6b9e791bacd049eea11c9db9a3006e" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Wed Sep 12 15:06:57 2007 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Fri Oct 12 14:51:02 2007 -0700" }, "message": "kobjects: fix up improper use of the kobject name field\n\nA number of different drivers incorrect access the kobject name field\ndirectly. This is not correct as the name might not be in the array.\nUse the proper accessor function instead.\n\n" }, { "commit": "9eb59573d4b86f347e6cd04f47a4c2082009fa58", "tree": "91209b4149bf791c36ed50da3d0261f491cd27b4", "parents": [ "562d94d98f7032bdc4a99d9124a78a543dbea225" ], "author": { "name": "Andi Kleen", "email": "ak@suse.de", "time": "Wed Oct 10 02:18:27 2007 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Oct 09 21:44:06 2007 -0400" }, "message": "[CPUFREQ] Don\u0027t take semaphore in cpufreq_quick_get()\n\nI don\u0027t see any reason to take an expensive lock in cpufreq_quick_get()\nReading policy-\u003ecur is a single atomic operation and after\nthe lock is dropped again the state could change any time anyways.\n\nSo don\u0027t take the lock in the first place.\n\nThis also makes this function interrupt safe which is useful\nfor some code of mine.\n\nSigned-off-by: Andi Kleen \u003cak@suse.de\u003e\nCc: \"Pallipadi, Venkatesh\" \u003cvenkatesh.pallipadi@intel.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "dd184a01b8ece6bac2f7a63de99a4a4d29552746", "tree": "ddf4a212eb3af1df9e5dc7ed3e0cd3c1a409b2d8", "parents": [ "6afde10c3f58cc3ac593f5b4505b8b1cf719f5d6" ], "author": { "name": "Satyam Sharma", "email": "satyam@infradead.org", "time": "Tue Oct 02 13:28:14 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Oct 04 18:40:57 2007 -0400" }, "message": "[CPUFREQ] mark hotplug notifier callback as __cpuinit\n\nThe notifier_block is already __cpuinitdata, thereby allowing us to safely\nmark the callback function as __cpuinit also, thereby saving space when\nHOTPLUG_CPU\u003dn.\n\nSigned-off-by: Satyam Sharma \u003csatyam@infradead.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "6afde10c3f58cc3ac593f5b4505b8b1cf719f5d6", "tree": "28f8d8af521abb7186836bd7003cec237907b79a", "parents": [ "1c2562459faedc35927546cfa5273ec6c2884cce" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Tue Oct 02 13:28:13 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Oct 04 18:40:57 2007 -0400" }, "message": "[CPUFREQ] Only check for transition latency on problematic governors (kconfig fix)\n\nCc: Adrian Bunk \u003cbunk@stusta.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "1c2562459faedc35927546cfa5273ec6c2884cce", "tree": "a6133aa5c0ac2b4a8cb12fa37c28e755a458aef0", "parents": [ "8122c6cea033e8034e99d3b10a4e3f377ce23994" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Tue Oct 02 13:28:12 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Oct 04 18:40:57 2007 -0400" }, "message": "[CPUFREQ] allow ondemand and conservative cpufreq governors to be used as default\n\nDepending on the transition latency of the HW for cpufreq switches, the\nondemand or conservative governor cannot be used with certain cpufreq\ndrivers. Still the ondemand should be the default governor on a wide range\nof systems. This patch allows this and lets the governor fallback to the\nperformance governor at cpufreq driver load time, if the driver does not\nsupport fast enough frequency switching.\n\nMain benefit is that on e.g. installation or other systems without\nuserspace support a working dynamic cpufreq support can be achieved on most\nsystems by simply loading the cpufreq driver. This is especially essential\nfor recent x86(_64) laptop hardware which may rely on working dynamic\ncpufreq OS support.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Russell King \u003crmk@arm.linux.org.uk\u003e\nCc: Bryan Wu \u003cbryan.wu@analog.com\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nCc: \"Luck, Tony\" \u003ctony.luck@intel.com\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Paul Mundt \u003clethal@linux-sh.org\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "8122c6cea033e8034e99d3b10a4e3f377ce23994", "tree": "00c7263e242e5c821abfe627bace54bba7696777", "parents": [ "a09d60a622ea4a3592dc6836e709d4a7a4ed4025" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Tue Oct 02 13:28:09 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Oct 04 18:40:57 2007 -0400" }, "message": "[CPUFREQ] move policy\u0027s governor initialisation out of low-level drivers into cpufreq core\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Russell King \u003crmk@arm.linux.org.uk\u003e\nCc: Bryan Wu \u003cbryan.wu@analog.com\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nCc: \"Luck, Tony\" \u003ctony.luck@intel.com\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Paul Mundt \u003clethal@linux-sh.org\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "084f34939424161669467c19280dbcf637730314", "tree": "85285adb98b7306a28152cf48bfae98d3f1f05c8", "parents": [ "91973de736bc97dc04156242c5a4b00993b6c902" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Mon Jul 09 11:35:28 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Fri Jul 13 01:29:51 2007 -0400" }, "message": "[CPUFREQ] Restore previously used governor on a hot-replugged CPU\n\nNegative side effect: needs NR_CPUs pointer array of memory in\nCONFIG_HOTPLUG_CPU case.\n\nStill needs userspace track keeping and rewriting of governors if governors\nchange while a CPU is not active (always the governor at CPU remove time is\nrestored).\n\nMove of policy-\u003euser_policy.governor assignment is just a minor cleanup.\nhttp://bugzilla.kernel.org/show_bug.cgi?id\u003d8671\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Mattia Dongili \u003cmalattia@linux.it\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "91973de736bc97dc04156242c5a4b00993b6c902", "tree": "8d94fefd2c2f208e470510a4e607a32d013b969f", "parents": [ "aac22d0a79f51d7bd93145be36322baaa4b423f8" ], "author": { "name": "Peter Oruba", "email": "peter.oruba@amd.com", "time": "Mon Jul 09 11:35:27 2007 -0700" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Fri Jul 13 01:29:51 2007 -0400" }, "message": "[CPUFREQ] bugfix cpufreq in combination with performance governor\n\nThere is a frequency scaling issue that I encountered with the performance\ngovernor in combination with CPU hotplug.\n\nIn cpufreq.c CPU frequency is reduced to its minimum before the CPU gets\nunregistered and set offline. Does that have a particular reason?\n\nSince the (k8-)governor does not monitor CPU frequency that setting also\napplies then to the remaining CPU as well and lets the system run on the\nlowest frequency although performance is chose as the policy.\n\nSigned-off-by: Peter Oruba \u003cpeter.oruba@amd.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "58a7295bc8073b9e668c329cb9ceb5b668c2b15d", "tree": "932958f082da6e6f115841cd56b5c7e7527006ed", "parents": [ "ea48761519bd40d7a881c587b5f3177664b2987e" ], "author": { "name": "Tobias Klauser", "email": "tklauser@distanz.ch", "time": "Thu Jun 14 00:28:15 2007 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Jun 21 12:57:54 2007 -0400" }, "message": "[CPUFREQ] Fix sysfs_create_file return value handling\n\nCommit 0a4b2ccc555fa2ca6873d60219047104e4805d45 in cpufreq.git\neliminates the build warnings but does not pass on the error code of\nsysfs_create_file to the function calling cpufreq_add_dev. Instead some\nprevious value of ret would be returned.\n\nSigned-off-by: Tobias Klauser \u003ctklauser@distanz.ch\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "0a4b2ccc555fa2ca6873d60219047104e4805d45", "tree": "3641776d5ad881047b5fa3ff64f55ab427c85a40", "parents": [ "489dc5cb18932d3cedaef03e84890475db17a843" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Mon May 21 07:20:04 2007 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue May 29 16:56:40 2007 -0400" }, "message": "[CPUFREQ] check return value of sysfs_create_file\n\nEliminate build warning (sysfs_create_file return value must be checked)\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d", "tree": "f4e305edaedbde05774bb1e4acd89a9475661d2e", "parents": [ "f37bc2712b54ec641e0c0c8634f1a4b61d9956c0" ], "author": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Wed May 09 02:35:10 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:56 2007 -0700" }, "message": "Add suspend-related notifications for CPU hotplug\n\nSince nonboot CPUs are now disabled after tasks and devices have been\nfrozen and the CPU hotplug infrastructure is used for this purpose, we need\nspecial CPU hotplug notifications that will help the CPU-hotplug-aware\nsubsystems distinguish normal CPU hotplug events from CPU hotplug events\nrelated to a system-wide suspend or resume operation in progress. This\npatch introduces such notifications and causes them to be used during\nsuspend and resume transitions. It also changes all of the\nCPU-hotplug-aware subsystems to take these notifications into consideration\n(for now they are handled in the same way as the corresponding \"normal\"\nones).\n\n[oleg@tv-sign.ru: cleanups]\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\nCc: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nCc: Pavel Machek \u003cpavel@ucw.cz\u003e\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "632786ce9ff6206951ee4c84fe5c0d5c1d12f4cc", "tree": "c432e55bd84c566bcf7b2c84107d5c0178a20976", "parents": [ "22c970f3468a6766b362d57fa32ebb92cb8cd6db" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Thu Apr 19 15:49:09 2007 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Apr 26 14:32:02 2007 -0400" }, "message": "[CPUFREQ] Remove deprecated /proc/acpi/processor/performance write support\n\nRemove deprecated /proc/acpi/processor/performance write support\n\nWriting to /proc/acpi/processor/xy/performance interferes with sysfs\ncpufreq interface. Also removes buggy cpufreq_set_policy exported symbol.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "22c970f3468a6766b362d57fa32ebb92cb8cd6db", "tree": "09e666c2c1f1ac93a2a6deec703d667cdc41b250", "parents": [ "e8e49190f64896afe79f7136a67c2bdefbd3e322" ], "author": { "name": "Thomas Renninger", "email": "trenn@suse.de", "time": "Thu Apr 19 15:48:34 2007 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Apr 26 14:32:02 2007 -0400" }, "message": "[CPUFREQ] Fix limited cpufreq when booted on battery\n\nReferences:\nhttps://bugzilla.novell.com/show_bug.cgi?id\u003d231107\nhttps://bugzilla.novell.com/show_bug.cgi?id\u003d264077\n\nFix limited cpufreq when booted on battery\n\nIf booted on battery:\ncpufreq_set_policy (evil) is invoked which calls verify_within_limits.\nmax_freq gets lowered and therefore users_policy.max, which\nis used to restore higher freqs via update_policy later is set to the\nalready limited frequency -\u003e you can never go up again, even BIOS\nallows higher freqs later.\n\nSigned-off-by: Thomas Renninger \u003ctrenn@suse.de\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "ec28297a562f2b022115b9eb82e4ea724d996240", "tree": "37443cab75290b45b65b491f6dd56882fad38dec", "parents": [ "703071b5b93d88d5acb0edd5b9dd86c69ad970f2" ], "author": { "name": "Venki Pallipadi", "email": "venkatesh.pallipadi@intel.com", "time": "Mon Mar 26 12:03:19 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Mar 27 08:55:56 2007 -0700" }, "message": "[PATCH] Fix maxcpus\u003d1 trigerring BUG() in cpufreq\n\nIngo reported it on lkml in the thread\n \"2.6.21-rc5: maxcpus\u003d1 crash in cpufreq: kernel BUG at drivers/cpufreq/cpufreq.c:82!\"\n\nThis check added to remove_dev is symmetric to one in add_dev and handles\ncallbacks for offline cpus cleanly.\n\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nAcked-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "221dee285ee38099b82437531bcae9fa9cb64cc4", "tree": "1f91186091f0256e04c210a8ac76023cdeebf202", "parents": [ "6f8c480f998a619082f18407f8d7f4c29e94dc6e" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Feb 26 14:55:48 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon Feb 26 14:55:48 2007 -0800" }, "message": "Revert \"[CPUFREQ] constify cpufreq_driver where possible.\"\n\nThis reverts commit aeeddc1435c37fa3fc844f31d39c185b08de4158, which was\nhalf-baked and broken. It just resulted in compile errors, since\ncpufreq_register_driver() still changes the \u0027driver_data\u0027 by setting\nbits in the flags field. So claiming it is \u0027const\u0027 _really_ doesn\u0027t\nwork.\n\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "aeeddc1435c37fa3fc844f31d39c185b08de4158", "tree": "46269bbff184799c2cded9ccd433e980c38f7b4b", "parents": [ "b44755cfaa72e7ed3d831a946bb4e7dfe7548966" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Feb 22 19:08:27 2007 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Thu Feb 22 19:08:27 2007 -0500" }, "message": "[CPUFREQ] constify cpufreq_driver where possible.\n\nNot all cases are possible due to -\u003eflags being set at runtime\non some drivers.\n\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "5a01f2e8f3ac134e24144d74bb48a60236f7024d", "tree": "8d807b81618dc1b4782e0e58a9629a6d0a09fbe3", "parents": [ "c120069779e3e35917c15393cf2847fa79811eb6" ], "author": { "name": "Venkatesh Pallipadi", "email": "venkatesh.pallipadi@intel.com", "time": "Mon Feb 05 16:12:44 2007 -0800" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Sat Feb 10 20:01:47 2007 -0500" }, "message": "[CPUFREQ] Rewrite lock in cpufreq to eliminate cpufreq/hotplug related issues\n\nYet another attempt to resolve cpufreq and hotplug locking issues.\n\nPatchset has 3 patches:\n* Rewrite the lock infrastructure of cpufreq using a per cpu rwsem.\n* Minor restructuring of work callback in ondemand driver.\n* Use the new cpufreq rwsem infrastructure in ondemand work.\n\nThis patch:\n\nConvert policy-\u003elock to rwsem and move it to per_cpu area.\nThis rwsem will protect against both changing/accessing policy\nrelated parameters and CPU hot plug/unplug.\n\n[malattia@linux.it: fix oops in kref_put()]\nCc: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Venkatesh Pallipadi \u003cvenkatesh.pallipadi@intel.com\u003e\nCc: Gautham R Shenoy \u003cego@in.ibm.com\u003e\nSigned-off-by: Mattia Dongili \u003cmalattia@linux.it\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "c120069779e3e35917c15393cf2847fa79811eb6", "tree": "9e1e5529b43c151ecc9d3743e5b51ff88eb52312", "parents": [ "86acd49aa128bd7a1d4362c256c21fbdc2d5b1a0" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Feb 05 16:12:43 2007 -0800" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Sat Feb 10 20:01:47 2007 -0500" }, "message": "[CPUFREQ] Remove hotplug cpu crap\n\nThe hotplug CPU locking in cpufreq is horrendous. No-one seems to care\nenough to fix it, so just remove it so that the 99.9% of the real world\nusers of this code can use cpufreq without being bothered by warnings.\n\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "0142f9dce8425da031d72dc3b70ee7161fcaaea2", "tree": "e311911a8eda0b3608f567090714bd742bda07bf", "parents": [ "5263bf65d6342e12ab716db8e529501670979321" ], "author": { "name": "Ahmed S. Darwish", "email": "darwish.07@gmail.com", "time": "Fri Jan 05 05:44:54 2007 +0200" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Mon Jan 29 00:06:27 2007 -0500" }, "message": "[CPUFREQ] check sysfs_create_link return value\n\nTrivial patch to check sysfs_create_link return values.\nFail gracefully if needed.\n\nSigned-off-by: Ahmed Darwish \u003cdarwish.07@gmail.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "4ab70df451c6183dd5474a68edac44684b0b7616", "tree": "d2ed54e9c9171b3a726bda0aeaf4deb832b73172", "parents": [ "445722f97a0ecd3aed3f53d9f0dcaacaef8c6223" ], "author": { "name": "Dhaval Giani", "email": "dhaval.giani@gmail.com", "time": "Wed Dec 13 14:49:15 2006 +0530" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Wed Dec 13 10:11:25 2006 -0500" }, "message": "[CPUFREQ] fixes typo in cpufreq.c\n\nThis patch fixes a typo in cpufreq.c\n\nFrom: Dhaval Giani \u003cdhaval.giani@gmail.com\u003e\nSigned-off-by: Dave Jones \u003cdavej@redhat.com\u003e\n" }, { "commit": "c4366889dda8110247be59ca41fddb82951a8c26", "tree": "705c1a996bed8fd48ce94ff33ec9fd00f9b94875", "parents": [ "db2fb9db5735cc532fd4fc55e94b9a3c3750378e", "e1036502e5263851259d147771226161e5ccc85a" ], "author": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Dec 12 17:41:41 2006 -0500" }, "committer": { "name": "Dave Jones", "email": "davej@redhat.com", "time": "Tue Dec 12 17:41:41 2006 -0500" }, "message": "Merge ../linus\n\nConflicts:\n\n\tdrivers/cpufreq/cpufreq.c\n" }, { "commit": "02316067852187b8bec781bec07410e91af79627", "tree": "856e3f4610c91a6548bf3bf5c70ecbc0b28a4145", "parents": [ "a38a44c1a93078fc5fadc4ac2df8dea4697069e2" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed Dec 06 20:38:17 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.osdl.org", "time": "Thu Dec 07 08:39:39 2006 -0800" }, "message": "[PATCH] hotplug CPU: clean up hotcpu_notifier() use\n\nThere was lots of #ifdef noise in the kernel due to hotcpu_notifier(fn,\nprio) not correctly marking \u0027fn\u0027 as used in the !HOTPLUG_CPU case, and thus\ngenerating compiler warnings of unused symbols, hence forcing people to add\n#ifdefs.\n\nthe compiler can skip truly unused functions just fine:\n\n text data bss dec hex filename\n 1624412 728710 3674856 6027978 5bfaca vmlinux.before\n 1624412 728710 3674856 6027978 5bfaca vmlinux.after\n\n[akpm@osdl.org: topology.c fix]\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" } ], "next": "65f27f38446e1976cc98fd3004b110fedcddd189" }