)]}' { "log": [ { "commit": "8cd995b6deedf98b7694ed32a786ee7f793d1eec", "tree": "6c423c242027eacf07018ae9e0488ef035337c68", "parents": [ "1ec7c4849c214fc78b023230264399836ea3b245" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Fri May 15 11:07:27 2009 +0800" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 14 23:55:10 2009 -0400" }, "message": "tracing/filters: add missing unlock in a failure path\n\n[ Impact: fix deadlock in a rare case we fail to allocate memory ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nLKML-Reference: \u003c4A0CDC6F.7070200@cn.fujitsu.com\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "1ec7c4849c214fc78b023230264399836ea3b245", "tree": "52a53fcd4d7ea0cd94b65bd8c6bf20402e3356af", "parents": [ "29a679754b1a2581ee456eada6c2de7ce95068bb" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 14 23:40:06 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 14 23:40:06 2009 -0400" }, "message": "tracing: stop stack trace on first empty entry\n\nThe stack tracer stores eight entries in the ring buffer when an event\ntraces the stack. The output outputs all eight entries regardless of\nhow many entries were recorded.\n\nThis patch breaks out of the loop when a null entry is discovered.\n\n[ Impact: only print the stack that is recorded ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "29a679754b1a2581ee456eada6c2de7ce95068bb", "tree": "e647c89f3a293f4436ed285acc46180e6fe9a292", "parents": [ "168b6b1d0594c7866caa73b12f3b8d91075695f2" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 14 23:19:09 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 14 23:19:09 2009 -0400" }, "message": "x86/stacktrace: return 0 instead of -1 for stack ops\n\nIf we return -1 in the ops-\u003estack for the stacktrace saving, we end up\nbreaking out of the loop if the stack we are tracing is in the exception\nstack. This causes traces like:\n\n \u003cidle\u003e-0 [002] 34263.745825: raise_softirq_irqoff \u003c-__blk_complete_request\n \u003cidle\u003e-0 [002] 34263.745826:\n \u003c\u003d 0\n \u003c\u003d 0\n \u003c\u003d 0\n \u003c\u003d 0\n \u003c\u003d 0\n \u003c\u003d 0\n \u003c\u003d 0\n\nBy returning \"0\" instead, the irq stack is saved as well, and we see:\n\n \u003cidle\u003e-0 [003] 883.280992: raise_softirq_irqoff \u003c-__hrtimer_star\nt_range_ns\n \u003cidle\u003e-0 [003] 883.280992:\n \u003c\u003d hrtimer_start_range_ns\n \u003c\u003d tick_nohz_restart_sched_tick\n \u003c\u003d cpu_idle\n \u003c\u003d start_secondary\n \u003c\u003d\n \u003c\u003d 0\n \u003c\u003d 0\n\n[ Impact: record stacks from interrupts ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "168b6b1d0594c7866caa73b12f3b8d91075695f2", "tree": "2dd8d0e8b6ffc87360180c878a87b3632625b3f0", "parents": [ "88eb0125362f2ab272cbaf84252cf101ddc2dec9" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 11 22:11:05 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 23:33:06 2009 -0400" }, "message": "ring-buffer: move code around to remove some branches\n\nThis is a bit of micro-optimizations. But since the ring buffer is used\nin tracing every function call, it is an extreme hot path. Every nanosecond\ncounts.\n\nThis change shows over 5% improvement in the ring-buffer-benchmark.\n\n[ Impact: more efficient code ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "88eb0125362f2ab272cbaf84252cf101ddc2dec9", "tree": "acf8bac454d61874f35bf5e20cd30b448811608a", "parents": [ "0f0c85fc80adbbd2265d89867d743f929d516805" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 11 16:28:23 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 23:14:03 2009 -0400" }, "message": "ring-buffer: use internal time stamp function\n\nThe ring_buffer_time_stamp that is exported adds a little more overhead\nthan is needed for using it internally. This patch adds an internal\ntimestamp function that can be inlined (a single line function)\nand used internally for the ring buffer.\n\n[ Impact: a little less overhead to the ring buffer ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "0f0c85fc80adbbd2265d89867d743f929d516805", "tree": "0095c5a83727863eb38027c41b9a0cd74c1d283d", "parents": [ "be957c447f7233a67904a1b11eb3ab61e702bf4d" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 11 16:08:00 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 23:12:34 2009 -0400" }, "message": "ring-buffer: small optimizations\n\nDoing some small changes in the fast path of the ring buffer recording\nsaves over 3% in the ring-buffer-benchmark test.\n\n[ Impact: a little faster ring buffer recording ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "be957c447f7233a67904a1b11eb3ab61e702bf4d", "tree": "fa92f4d46678c9a200ce9f92c1445da3bd71c74f", "parents": [ "1cd8d7358948909ab80b254eb14bcebc555ad417" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 11 14:42:53 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 14:42:53 2009 -0400" }, "message": "ring-buffer: move calculation of event length\n\nThe event length is calculated and passed in to rb_reserve_next_event\nin two different locations. Having rb_reserve_next_event do the\ncalculations directly makes only one location to do the change and\ncauses the calculation to be inlined by gcc.\n\nBefore:\n text data bss dec hex filename\n 16538 24 12 16574 40be kernel/trace/ring_buffer.o\n\nAfter:\n text data bss dec hex filename\n 16490 24 12 16526 408e kernel/trace/ring_buffer.o\n\n[ Impact: smaller more efficient code ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "1cd8d7358948909ab80b254eb14bcebc555ad417", "tree": "ff7d2bcd4f7b4ea12af66771d6a204b786c134c5", "parents": [ "d988ff94c1074c4c914235c8591bcceafb585ecf" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Mon May 11 14:08:09 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 14:19:00 2009 -0400" }, "message": "ring-buffer: remove type parameter from rb_reserve_next_event\n\nThe rb_reserve_next_event is only called for the data type (type \u003d 0).\nThere is no reason to pass in the type to the function.\n\nBefore:\n text data bss dec hex filename\n 16554 24 12 16590 40ce kernel/trace/ring_buffer.o\n\nAfter:\n text data bss dec hex filename\n 16538 24 12 16574 40be kernel/trace/ring_buffer.o\n\n[ Impact: cleaner, smaller and slightly more efficient code ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "d988ff94c1074c4c914235c8591bcceafb585ecf", "tree": "46dc84aa84e04ae92cd66ed5cbf7a55452dcdb1c", "parents": [ "5a772b2b3c68e7e0b503c5a48469113bb0634314" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 08 11:03:57 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 13:22:26 2009 -0400" }, "message": "ring-buffer: check for divide by zero in ring-buffer-benchmark\n\nAlthough we check if \"missed\" is not zero, we divide by hit + missed,\nand the addition can possible overflow and become a divide by zero.\n\nThis patch checks for this case, and will report it when it happens\nthen modify \"hit\" to make the calculation be non zero.\n\n[ Impact: prevent possible divide by zero in ring-buffer-benchmark ]\n\nReported-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "5a772b2b3c68e7e0b503c5a48469113bb0634314", "tree": "f6c1a0c28cd9225778a4348aded45bae8b634126", "parents": [ "79c5d3ce614d8fe706545c7bca2158b63db6bb5e" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 08 10:56:33 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Mon May 11 13:22:26 2009 -0400" }, "message": "ring-buffer: replace constants with time macros in ring-buffer-benchmark\n\nThe use of numeric constants is discouraged. It is cleaner and more\ndescriptive to use macros for constant time conversions.\n\nThis patch also removes an extra new line.\n\n[ Impact: more descriptive time conversions ]\n\nReported-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "79c5d3ce614d8fe706545c7bca2158b63db6bb5e", "tree": "73789d345a758063eb2d1810d9d70b1cb2a4b130", "parents": [ "049862579333cc6cd9e6edfd6987cd0addfd8c59" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Mon May 11 15:06:46 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon May 11 13:30:24 2009 +0200" }, "message": "blktrace: from-sector redundant in trace_block_remap, cleanup\n\nThe last argument of block_remap prober is the original sector\nbefore remap, so it should be \u0027from\u0027, not \u0027to\u0027.\n\n[ Impact: clean up ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: \"Alan D. Brunelle\" \u003cAlan.Brunelle@hp.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nCc: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nLKML-Reference: \u003c4A07CE86.5090301@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "049862579333cc6cd9e6edfd6987cd0addfd8c59", "tree": "171ce56995657c0dd92825b733afbd88242a3887", "parents": [ "4671c79408a3f8a5a6a45e39c4c164dada3a5678" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Mon May 11 14:33:23 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon May 11 12:25:50 2009 +0200" }, "message": "blktrace: pdu_buf of pc events should be unsigned\n\nI got this:\n 8,0 1 305.417782332 2037 I R 32 (ffffff9e 10 00 ...) [bash]\n\nIt should be:\n 8,0 1 305.417782332 2037 I R 32 (9e 10 00 ...) [bash]\n\n[ Impact: fix output of pc events ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nLKML-Reference: \u003c4A07C6B3.9080802@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "4671c79408a3f8a5a6a45e39c4c164dada3a5678", "tree": "c8cc041841afe9d2c1be14a2410c1f468b7477be", "parents": [ "29f93943d1916d1a3faa3f10f4a06994347ac990" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 08 16:27:41 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Fri May 08 16:30:26 2009 -0400" }, "message": "tracing: add trace_set_clr_event to export event enabling function\n\nOther parts of the kernel may need to be able to enable or disable\nspecific events. Especially parts that create trace events.\n\n[ Impact: allow enabling of trace events by those that create the event ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "29f93943d1916d1a3faa3f10f4a06994347ac990", "tree": "128c64e3e8305fb1c6785ef150b22b2412f856f2", "parents": [ "c142b15dc56ee6d55cb97a062e3c8e9c61e384c0" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 08 16:06:47 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Fri May 08 16:06:47 2009 -0400" }, "message": "tracing: initialize return value for __ftrace_set_clr_event\n\nCommit 8f31bfe538ebafac187d2d4465a92e1d9ee6d8c2\ntracing/events: clean up for ftrace_set_clr_event()\n\nMoved out the code for ftrace_set_clr_event into a helper funciton but\ndid not initialize the return value. As a result, we do not warn about\na typo in the echoing of events in set_event.\n\nThis patch restores the old warning:\n\n # echo foobar \u003e set_event\n-bash: echo: write error: Invalid argument\n\n[ Impact: restore warning of invalid entries to set_event ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "c142b15dc56ee6d55cb97a062e3c8e9c61e384c0", "tree": "d273ba8c5ce28bea224e4f48b9704e47ed68a2b4", "parents": [ "8f31bfe538ebafac187d2d4465a92e1d9ee6d8c2" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Fri May 08 10:32:05 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri May 08 14:00:36 2009 +0200" }, "message": "tracing/events: simplify system_enable_read()\n\nA smarter way to figure out the output of an enable file.\n\n[ Impact: clean up ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nLKML-Reference: \u003c4A0399A5.2080603@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "8f31bfe538ebafac187d2d4465a92e1d9ee6d8c2", "tree": "660b7340cadca779314e04b960618d7ac1c7d425", "parents": [ "74f4fd21664148b8c454cc07bfe74e4dd51cf07b" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Fri May 08 10:31:42 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri May 08 14:00:35 2009 +0200" }, "message": "tracing/events: clean up for ftrace_set_clr_event()\n\nAdd a helper function __ftrace_set_clr_event(), and replace some\nftrace_set_clr_event() calls with this helper, thus we don\u0027t need any\nkstrdup() or kmalloc().\n\nAs a side effect, this patch fixes an issue in self tests code, which is\nsimilar to the one fixed in commit d6bf81ef0f7474434c2a049e8bf3c9146a14dd96\n(\"tracing: append \":*\" to internal setting of system events\")\n\nIt\u0027s a small issue and won\u0027t cause any bug in fact, but we should do things\nright anyway.\n\n[ Impact: prevent spurious event-enabling in tracing self-tests ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nLKML-Reference: \u003c4A03998E.3020503@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "74f4fd21664148b8c454cc07bfe74e4dd51cf07b", "tree": "fa4074dff8913c25a9192c65c112de25cf07fbf4", "parents": [ "7da3046d6ce6ea97494020081c509b642b7016af" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 07 19:58:55 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 07 20:01:11 2009 -0400" }, "message": "ring-buffer: change WARN_ON from checking preempt_count to preemptible\n\nThere\u0027s a WARN_ON in the ring buffer code that makes sure preemption\nis disabled. It checks \"!preempt_count()\". But when CONFIG_PREEMPT is not\nenabled, preempt_count() is always zero, and this will trigger the warning.\n\n[ Impact: prevent false warning on non preemptible kernels ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "7da3046d6ce6ea97494020081c509b642b7016af", "tree": "8bd27902977bc821980331054a6b2c5876bf2918", "parents": [ "0574ea421b90e0e45a72c447dd3c2c79ffd8c153" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 07 19:52:20 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 07 19:52:20 2009 -0400" }, "message": "ring-buffer: add total count in ring-buffer-benchmark\n\nIt is nice to see the overhead of the benchmark test when tracing is\ndisabled. That is, we turn off the ring buffer just to see what the\ncost of running the loop that calls into the ring buffer is.\n\nCurrently, if no entries wer made, we get 0. This is not informative.\nThis patch changes it to check if we had any \"missed\" (non recorded)\nevents. If so, a total count is also reported.\n\n[ Impact: evaluate the over head of the ring buffer benchmark test ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "0574ea421b90e0e45a72c447dd3c2c79ffd8c153", "tree": "ec19f007794a8593f1c75f3f2d05c2471346298e", "parents": [ "65b77242043f74bca6a0d733c0e48ef03a8c9893" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 07 14:20:28 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 07 14:20:28 2009 -0400" }, "message": "ring-buffer: only periodically call cond_resched to ring-buffer-benchmark\n\nCalling cond_resched at every iteration of the loop adds a bit of\noverhead to the benchmark.\n\nThis patch does two things.\n\n1) only calls cond-resched when CONFIG_PREEMPT is not enabled\n2) only calls cond-resched after so many traces has been performed.\n\n[ Impact: less overhead to the ring-buffer-benchmark ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "65b77242043f74bca6a0d733c0e48ef03a8c9893", "tree": "f7ba92bd5633ee6389bd51191d5a736d7b4666ea", "parents": [ "d6bf81ef0f7474434c2a049e8bf3c9146a14dd96" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 07 12:49:27 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 07 12:49:27 2009 -0400" }, "message": "tracing: have menu default enabled when kernel debug is configured\n\nTracing can be very helpful to debug the kernel. When DEBUG_KERNEL is\nenabled it is nice to enable the trace menu as well.\n\nThis patch only make the tracing menu enabled by default, it does not\nmake any of the tracers enabled. And the menu is only enabled by\ndefault if DEBUG_KERNEL is enabled.\n\n[ Impact: show tracing options to those debugging the kernel ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "d6bf81ef0f7474434c2a049e8bf3c9146a14dd96", "tree": "b2868093d4812c628a6752b1995491131cb08bc8", "parents": [ "29c8000ee7da3a6756d26143991e573eaaf2a9f6" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 07 11:49:35 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 07 11:49:35 2009 -0400" }, "message": "tracing: append \":*\" to internal setting of system events\n\nThe system enabling of events uses the same code as the set_event file.\nIt passes in the name of the system to the parser and that will enable\nall the events that has that system as a name.\n\nThe problem is that it will also enable events with the same name as the\nsystem.\n\nIf you have system name foo, and system name bar, but within the system\nbar, there exists an event called foo. By setting the system name foo,\nyou will also be enabling the event foo in the system bar. This is not\nan expected result.\n\nThe solution is to pass in \"foo:*\", which will only enable the system\nfoo and not events called foo.\n\n[ Impact: prevent accidental enabling of events with same name as a system ]\n\nReported-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "29c8000ee7da3a6756d26143991e573eaaf2a9f6", "tree": "4c57a374639127ebccd6f4fca0feb02cde21e702", "parents": [ "0ad5d703c6c0fcd385d956555460df95dff7eb7e" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu May 07 11:13:42 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Thu May 07 11:16:18 2009 -0400" }, "message": "ring-buffer: remove complex calculations in ring-buffer-test\n\nIngo Molnar thought that the code to calculate the time in cond_resched\nis a bit too ugly and is not needed. This patch removes it and replaces\nit with a simple call to cond_resched. I kept the comment that explains\nthe reason for the cond_resched.\n\n[ Impact: remove ugly code ]\n\nReported-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "0ad5d703c6c0fcd385d956555460df95dff7eb7e", "tree": "4b777100f9be4fe90ca4bd043b9f98df672b5b3b", "parents": [ "44347d947f628060b92449702071bfe1d31dfb75", "1cb81b143fa8f0e4629f10690862e2e52ca792ff" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 11:18:34 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 13:36:22 2009 +0200" }, "message": "Merge branch \u0027tracing/hw-branch-tracing\u0027 into tracing/core\n\nMerge reason: this topic is ready for upstream now. It passed\n Oleg\u0027s review and Andrew had no further mm/*\n objections/observations either.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "44347d947f628060b92449702071bfe1d31dfb75", "tree": "c6ed74610d5b3295df4296659f80f5feb94b28cc", "parents": [ "d94fc523f3c35bd8013f04827e94756cbc0212f4", "413f81eba35d6ede9289b0c8a920c013a84fac71" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 11:17:13 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 11:17:34 2009 +0200" }, "message": "Merge branch \u0027linus\u0027 into tracing/core\n\nMerge reason: tracing/core was on a .30-rc1 base and was missing out on\n on a handful of tracing fixes present in .30-rc5-almost.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "d94fc523f3c35bd8013f04827e94756cbc0212f4", "tree": "aacd8c0aaa2024437b7bfba4636afcc87f4890bf", "parents": [ "5928c3cc0ffcb6894bbab6be591b7ae1786b2d87" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Thu May 07 15:11:15 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 10:07:28 2009 +0200" }, "message": "tracing/events: fix concurrent access to ftrace_events list, fix\n\nIn filter_add_subsystem_pred() we should release event_mutex before\ncalling filter_free_subsystem_preds(), since both functions hold\nevent_mutex.\n\n[ Impact: fix deadlock when writing invalid pred into subsystem filter ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: tzanussi@gmail.com\nCc: a.p.zijlstra@chello.nl\nCc: fweisbec@gmail.com\nCc: rostedt@goodmis.org\nLKML-Reference: \u003c4A028993.7020509@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "5928c3cc0ffcb6894bbab6be591b7ae1786b2d87", "tree": "75503a660dafe84dcd434912c5a0bdf97cad3c8a", "parents": [ "e8808c1019b048a43686dbd25c188a035842c2e2" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Sun May 03 03:03:57 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 10:05:57 2009 +0200" }, "message": "tracing/filters: support for operator reserved characters in strings\n\nWhen we set a filter for an event, such as:\n\necho \"name \u003d\u003d my_lock_name\" \u003e \\\n\t/debug/tracing/events/lockdep/lock_acquired/filter\n\nthen the following order of token type is parsed:\n\n- space\n- operator\n- parentheses\n- operand\n\nBecause the operators and parentheses have a higher precedence\nthan the operand characters, which is normal, then we can\u0027t\nuse any string containing such special characters:\n\n()\u003d\u003c\u003e!\u0026|\n\nTo get this support and also avoid ambiguous intepretation from\nthe parser or the human, we can do it using double quotes so that\nwe keep the usual languages habits.\n\nThen after this patch you can still declare string condition like\nbefore:\n\necho name \u003d\u003d myname\n\nBut if you want to compare against a string containing an operator\ncharacter, you can use double quotes:\n\necho \u0027name \u003d\u003d \"\u0026myname\"\u0027\n\nDon\u0027t forget to include the whole expression into single quotes or\nthe double ones will be eaten by echo.\n\n[ Impact: support strings with special characters for tracing filters ]\n\nCc: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: Zhaolei \u003czhaolei@cn.fujitsu.com\u003e\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\n" }, { "commit": "e8808c1019b048a43686dbd25c188a035842c2e2", "tree": "350eefee96e540ee855a6aefc64a17af25486234", "parents": [ "8ae79a138e88aceeeb07077bff2883245fb7c218" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Sun May 03 02:48:52 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Thu May 07 10:05:57 2009 +0200" }, "message": "tracing/filters: support for filters of dynamic sized arrays\n\nCurrently the filtering infrastructure supports well the\nnumeric types and fixed sized array types.\n\nBut the recently added __string() field uses a specific\nindirect offset mechanism which requires a specific\npredicate. Until now it wasn\u0027t supported.\n\nThis patch adds this support and implies very few changes,\nonly a new predicate is needed, the management of this specific\nfield can be done through the usual string helpers in the\nfiltering infrastructure.\n\n[ Impact: support all kinds of strings in the tracing filters ]\n\nCc: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nCc: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: Zhaolei \u003czhaolei@cn.fujitsu.com\u003e\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\n" }, { "commit": "8ae79a138e88aceeeb07077bff2883245fb7c218", "tree": "ebb58fcf7d06af26c5855f664e769f850de4b434", "parents": [ "9456f0fa6d3cb944d3b9fc31c9a244e0362c26ea" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 22:52:15 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 23:11:42 2009 -0400" }, "message": "tracing: add hierarchical enabling of events\n\nWith the current event directory, you can only enable individual events.\nThe file debugfs/tracing/set_event is used to be able to enable or\ndisable several events at once. But that can still be awkward.\n\nThis patch adds hierarchical enabling of events. That is, each directory\nin debugfs/tracing/events has an \"enable\" file. This file can enable\nor disable all events within the directory and below.\n\n # echo 1 \u003e /debugfs/tracing/events/enable\n\nwill enable all events.\n\n # echo 1 \u003e /debugfs/tracing/events/sched/enable\n\nwill enable all events in the sched subsystem.\n\n # echo 1 \u003e /debugfs/tracing/events/enable\n # echo 0 \u003e /debugfs/tracing/events/irq/enable\n\nwill enable all events, but then disable just the irq subsystem events.\n\nWhen reading one of these enable files, there are four results:\n\n 0 - all events this file affects are disabled\n 1 - all events this file affects are enabled\n X - there is a mixture of events enabled and disabled\n ? - this file does not affect any event\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "9456f0fa6d3cb944d3b9fc31c9a244e0362c26ea", "tree": "9e6e97199f63c786a79966a5938873a98591e10c", "parents": [ "71e1c8ac42ae4038ddb1367cce7097ab868dc532" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 21:54:09 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 23:11:41 2009 -0400" }, "message": "tracing: reset ring buffer when removing modules with events\n\nLi Zefan found that there\u0027s a race using the event ids of events and\nmodules. When a module is loaded, an event id is incremented. We only\nhave 16 bits for event ids (65536) and there is a possible (but highly\nunlikely) race that we could load and unload a module that registers\nevents so many times that the event id counter overflows.\n\nWhen it overflows, it then restarts and goes looking for available\nids. An id is available if it was added by a module and released.\n\nThe race is if you have one module add an id, and then is removed.\nAnother module loaded can use that same event id. But if the old module\nstill had events in the ring buffer, the new module\u0027s call back would\nget bogus data. At best (and most likely) the output would just be\ngarbage. But if the module for some reason used pointers (not recommended)\nthen this could potentially crash.\n\nThe safest thing to do is just reset the ring buffer if a module that\nregistered events is removed.\n\n[ Impact: prevent unpredictable results of event id overflows ]\n\nReported-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nLKML-Reference: \u003c49FEAFD0.30106@cn.fujitsu.com\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "71e1c8ac42ae4038ddb1367cce7097ab868dc532", "tree": "a8e7ce8c468ad924da2d510df95c4da84edbb309", "parents": [ "3e07a4f680adc66dfa175aa5021aedf340251b12" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 21:20:39 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 23:10:42 2009 -0400" }, "message": "tracing: update sample with TRACE_INCLUDE_FILE\n\nWhen creating trace events for ftrace, the header file with the TRACE_EVENT\nmacros must also have a macro called TRACE_SYSTEM. This macro describes\nthe name of the system the TRACE_EVENTS are defined for. It also doubles\nas a way for the define_trace.h file to include the file that included\nit.\n\nFor example:\n\nin irq.h\n\n #define TRACE_SYSTEM irq\n\n[...]\n\n #include \u003ctrace/define_trace.h\u003e\n\nThe define_trace will use TRACE_SYSTEM to include irq.h. But if the name\nof the trace system does not match the name of the trace header file,\none can override it with:\n\nWhich will change define_trace.h to inclued foo_trace.h instead of foo.h\n\nThe sample comments this, but people that use the sample code will more\nlikely use the code and not read the comments. This patch changes the\nsample code to use the TRACE_INCLUDE_FILE to better show developers how to\nuse it.\n\n[ Impact: make sample less confusing to developers ]\n\nReported-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "3e07a4f680adc66dfa175aa5021aedf340251b12", "tree": "c245b416cf3d88e4c2f1d0ff43d0021e59b20b47", "parents": [ "6634ff26cce2da04e5c2a5481bcb8888e7d01786" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 18:36:59 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 18:36:59 2009 -0400" }, "message": "ring-buffer: change test to be more latency friendly\n\nThe ring buffer benchmark/test runs a producer for 10 seconds.\nThis is done with preemption and interrupts enabled. But if the kernel\nis not compiled with CONFIG_PREEMPT, it basically stops everything\nbut interrupts for 10 seconds.\n\nAlthough this is just a test and is not for production, this attribute\ncan be quite annoying. It can also spawn badness elsewhere.\n\nThis patch solves the issues by calling \"cond_resched\" when the system\nis not compiled with CONFIG_PREEMPT. It also keeps track of the time\nspent to call cond_resched such that it does not go against the\ntime calculations. That is, if the task schedules away, the time scheduled\nout is removed from the test data. Note, this only works for non PREEMPT\nbecause we do not know when the task is scheduled out if we have PREEMPT\nenabled.\n\n[ Impact: prevent test from stopping the world for 10 seconds ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "6634ff26cce2da04e5c2a5481bcb8888e7d01786", "tree": "64efca734e6cb10ff7cb19086e8f83b92eb40fd1", "parents": [ "00c81a58c5b4e0de14ee33bfbc3d71c90f69f9ea" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 15:30:07 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 15:30:07 2009 -0400" }, "message": "ring-buffer: make moving the tail page a separate function\n\nIngo Molnar thought the code would be cleaner if we used a function call\ninstead of a goto for moving the tail page. After implementing this,\nit seems that gcc still inlines the result and the output is pretty much\nthe same. Since this is considered a cleaner approach, might as well\nimplement it.\n\n[ Impact: code clean up ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "00c81a58c5b4e0de14ee33bfbc3d71c90f69f9ea", "tree": "d34d323e0a3b67ee5ce4c0ae8a0b3dbbc9bf2562", "parents": [ "8e7abf1c62941ebb7a1416cbc62392c8a0902625" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 12:40:51 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 12:49:20 2009 -0400" }, "message": "ring-buffer: check for failed allocation in ring buffer benchmark\n\nThe result of the allocation of the ring buffer read page in the\nring buffer bench mark does not check the return to see if a page\nwas actually allocated. This patch fixes that.\n\n[ Impact: avoid NULL dereference ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "8e7abf1c62941ebb7a1416cbc62392c8a0902625", "tree": "72b62a8ce2cecee2ed0cff586fb8bed10cf0eb2d", "parents": [ "35cf723e99c0e26ddf51f037dffaa4ff2c2c9106" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed May 06 10:26:45 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 12:49:19 2009 -0400" }, "message": "ring-buffer: remove unneeded conditional in rb_reserve_next\n\nThe code in __rb_reserve_next checks on page overflow if it is the\noriginal commiter and then resets the page back to the original\nsetting. Although this is fine, and the code is correct, it is\na bit fragil. Some experimental work I did breaks it easily.\n\nThe better and more robust solution is to have all commiters that\noverflow the page, simply subtract what they added.\n\n[ Impact: more robust ring buffer account management ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "35cf723e99c0e26ddf51f037dffaa4ff2c2c9106", "tree": "7422c7df64dc078916b890967940b089f304fd38", "parents": [ "48dd0fed90e2b1f1ba87401439b85942181c6df3" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed May 06 12:33:38 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 16:48:56 2009 +0200" }, "message": "tracing: small trave_events sample Makefile cleanup\n\nUse -I$(src) to add the current directory the include path.\n\n[ Impact: cleanup ]\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nLKML-Reference: \u003cnew-submission\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "48dd0fed90e2b1f1ba87401439b85942181c6df3", "tree": "4be2982fd1697a9834d15b3ba3c70165ef0eee8a", "parents": [ "22a7c31a9659deaddafbbcec6562d44141e84474" ], "author": { "name": "Jaswinder Singh Rajput", "email": "jaswinder@kernel.org", "time": "Wed May 06 15:45:45 2009 +0530" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 14:19:16 2009 +0200" }, "message": "tracing: trace_output.c, fix false positive compiler warning\n\nThis compiler warning:\n\n CC kernel/trace/trace_output.o\n kernel/trace/trace_output.c: In function ‘register_ftrace_event’:\n kernel/trace/trace_output.c:544: warning: ‘list’ may be used uninitialized in this function\n\nIs wrong as \u0027list\u0027 is always initialized - but GCC (4.3.2) does not\nrecognize this relationship properly.\n\nWork around the warning by initializing the variable to NULL.\n\n[ Impact: fix false positive compiler warning ]\n\nSigned-off-by: Jaswinder Singh Rajput \u003cjaswinderrajput@gmail.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nLKML-Reference: \u003cnew-submission\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "22a7c31a9659deaddafbbcec6562d44141e84474", "tree": "0fe1c64e82d673597c78c6ce5f3569d9101b5281", "parents": [ "a42aaa3bbce85ac487ad4fad5db99e8e91b7aac1" ], "author": { "name": "Alan D. Brunelle", "email": "Alan.Brunelle@hp.com", "time": "Mon May 04 16:35:08 2009 -0400" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 14:13:01 2009 +0200" }, "message": "blktrace: from-sector redundant in trace_block_remap\n\nRemove redundant from-sector parameter: it\u0027s /always/ the bio\u0027s sector\npassed in.\n\n[ Impact: cleanup ]\n\nSigned-off-by: Alan D. Brunelle \u003calan.brunelle@hp.com\u003e\nReviewed-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nReviewed-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nLKML-Reference: \u003c49FF517C.7000503@hp.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "a42aaa3bbce85ac487ad4fad5db99e8e91b7aac1", "tree": "1f1b4ac4335774c154213e756d10247e5eac1ded", "parents": [ "de1d7286060430e79a1d50ad6e5fee8fe863c5f6" ], "author": { "name": "Alan D. Brunelle", "email": "Alan.Brunelle@hp.com", "time": "Mon May 04 16:27:26 2009 -0400" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 14:13:00 2009 +0200" }, "message": "blktrace: correct remap names\n\nThis attempts to clarify names utilized during block I/O remap\noperations (partition, volume manager). It correctly matches up the\n/from/ information for both device \u0026 sector. This takes in the concept\nfrom Kosaki Motohiro and extends it to include better naming for the\n\"device_from\" field.\n\n[ Impact: cleanup ]\n\nSigned-off-by: Alan D. Brunelle \u003calan.brunelle@hp.com\u003e\nReviewed-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nReviewed-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nLKML-Reference: \u003c49FF4FAE.3000301@hp.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "de1d7286060430e79a1d50ad6e5fee8fe863c5f6", "tree": "0d3ebef66d5d4634bc1d4fee501a8a309e5aa874", "parents": [ "20c8928abe70e204bd077ab6cfe23002d7788983" ], "author": { "name": "Mathieu Desnoyers", "email": "mathieu.desnoyers@polymtl.ca", "time": "Tue May 05 16:49:59 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 12:15:51 2009 +0200" }, "message": "tracepoint: trace_sched_migrate_task(): remove parameter\n\nThe orig_cpu parameter in trace_sched_migrate_task() is not necessary,\nit can be got by using task_cpu(p) in the probe.\n\n[ Impact: micro-optimization ]\n\nSigned-off-by: Mathieu Desnoyers \u003cmathieu.desnoyers@polymtl.ca\u003e\n[ modified from Mathieu\u0027s patch. The original patch is at:\n http://marc.info/?l\u003dlinux-kernel\u0026m\u003d123791201716239\u0026w\u003d2 ]\nSigned-off-by: Xiao Guangrong \u003cxiaoguangrong@cn.fujitsu.com\u003e\nCc: fweisbec@gmail.com\nCc: rostedt@goodmis.org\nCc: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: zhaolei@cn.fujitsu.com\nCc: laijs@cn.fujitsu.com\nLKML-Reference: \u003c49FFFDB7.1050402@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "20c8928abe70e204bd077ab6cfe23002d7788983", "tree": "e161656f99c814ebdd69df8b5a79dab58f80065e", "parents": [ "2df75e415709ad12862028916c772c1f377f6a7c" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Wed May 06 10:33:45 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 10:38:19 2009 +0200" }, "message": "tracing/events: fix concurrent access to ftrace_events list\n\nA module will add/remove its trace events when it gets loaded/unloaded, so\nthe ftrace_events list is not \"const\", and concurrent access needs to be\nprotected.\n\nThis patch thus fixes races between loading/unloding modules and read\n\u0027available_events\u0027 or read/write \u0027set_event\u0027, etc.\n\nBelow shows how to reproduce the race:\n\n # for ((; ;)) { cat /mnt/tracing/available_events; } \u003e /dev/null \u0026\n # for ((; ;)) { insmod trace-events-sample.ko; rmmod sample; } \u0026\n\nAfter a while:\n\nBUG: unable to handle kernel paging request at 0010011c\nIP: [\u003cc1080f27\u003e] t_next+0x1b/0x2d\n...\nCall Trace:\n [\u003cc10c90e6\u003e] ? seq_read+0x217/0x30d\n [\u003cc10c8ecf\u003e] ? seq_read+0x0/0x30d\n [\u003cc10b4c19\u003e] ? vfs_read+0x8f/0x136\n [\u003cc10b4fc3\u003e] ? sys_read+0x40/0x65\n [\u003cc1002a68\u003e] ? sysenter_do_call+0x12/0x36\n\n[ Impact: fix races when concurrent accessing ftrace_events list ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nLKML-Reference: \u003c4A00F709.3080800@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "2df75e415709ad12862028916c772c1f377f6a7c", "tree": "3374a78cb06fe096e82d9e4d03ad03d048784967", "parents": [ "96d17980fabeb757706d2d6db5a28580a6156bfc" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Wed May 06 10:33:04 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 10:38:19 2009 +0200" }, "message": "tracing/events: fix memory leak when unloading module\n\nWhen unloading a module, memory allocated by init_preds() and\ntrace_define_field() is not freed.\n\n[ Impact: fix memory leak ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nCc: Tom Zanussi \u003ctzanussi@gmail.com\u003e\nLKML-Reference: \u003c4A00F6E0.3040503@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "96d17980fabeb757706d2d6db5a28580a6156bfc", "tree": "213bfe0775bf42da40e81e43632e18249da72113", "parents": [ "fd6da10a617f483348ee32bcfe53fd20c302eca1" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Wed May 06 10:32:32 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 10:38:18 2009 +0200" }, "message": "tracing/events: make SAMPLE_TRACE_EVENTS default to n\n\nNormally a config should be default to n. This patch also makes the\nsample module-only, like SAMPLE_MARKERS and SAMPLE_TRACEPOINTS.\n\n[ Impact: don\u0027t build trace event sample by default ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nLKML-Reference: \u003c4A00F6C0.8090803@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "fd6da10a617f483348ee32bcfe53fd20c302eca1", "tree": "acfec8a3b263d1aebe42de1a99389a55c739fc5f", "parents": [ "5092dbc96f3acdac5433b27c06860352dc6d23b9" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Wed May 06 10:32:13 2009 +0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Wed May 06 10:38:18 2009 +0200" }, "message": "tracing/events: don\u0027t say hi when loading the trace event sample\n\nThe sample is useful for testing, and I\u0027m using it. But after\nloading the module, it keeps saying hi every 10 seconds, this may\nbe disturbing.\n\nAlso Steven said commenting out the \"hi\" helped in causing races. :)\n\n[ Impact: make testing a bit easier ]\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\nAcked-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nLKML-Reference: \u003c4A00F6AD.2070008@cn.fujitsu.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "5092dbc96f3acdac5433b27c06860352dc6d23b9", "tree": "641b6b25439bf879769e20b4dc0f0bc9a6e6d702", "parents": [ "aa20ae8444fc6c318272c643f856d8d8ad3e198d" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Tue May 05 22:47:18 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Wed May 06 00:08:50 2009 -0400" }, "message": "ring-buffer: add benchmark and tester\n\nThis patch adds code that can benchmark the ring buffer as well as\ntest it. This code can be compiled into the kernel (not recommended)\nor as a module.\n\nA separate ring buffer is used to not interfer with other users, like\nftrace. It creates a producer and a consumer (option to disable creation\nof the consumer) and will run for 10 seconds, then sleep for 10 seconds\nand then repeat.\n\nWhile running, the producer will write 10 byte loads into the ring\nbuffer with just putting in the current CPU number. The reader will\ncontinually try to read the buffer. The reader will alternate from reading\nthe buffer via event by event, or by full pages.\n\nThe output is a pr_info, thus it will fill up the syslogs.\n\n Starting ring buffer hammer\n End ring buffer hammer\n Time: 9000349 (usecs)\n Overruns: 12578640\n Read: 5358440 (by events)\n Entries: 0\n Total: 17937080\n Missed: 0\n Hit: 17937080\n Entries per millisec: 1993\n 501 ns per entry\n Sleeping for 10 secs\n Starting ring buffer hammer\n End ring buffer hammer\n Time: 9936350 (usecs)\n Overruns: 0\n Read: 28146644 (by pages)\n Entries: 74\n Total: 28146718\n Missed: 0\n Hit: 28146718\n Entries per millisec: 2832\n 353 ns per entry\n Sleeping for 10 secs\n\nTime: is the time the test ran\nOverruns: the number of events that were overwritten and not read\nRead: the number of events read (either by pages or events)\nEntries: the number of entries left in the buffer\n (the by pages will only read full pages)\nTotal: Entries + Read + Overruns\nMissed: the number of entries that failed to write\nHit: the number of entries that were written\n\nThe above example shows that it takes ~353 nanosecs per entry when\nthere is a reader, reading by pages (and no overruns)\n\nThe event by event reader slowed the producer down to 501 nanosecs.\n\n[ Impact: see how changes to the ring buffer affect stability and performance ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "aa20ae8444fc6c318272c643f856d8d8ad3e198d", "tree": "662d8f33c284a43a41d5c9e9edfe13238bd3535e", "parents": [ "94487d6d53af5acae10cf9fd52f74498994d46b1" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Tue May 05 21:16:11 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 21:16:11 2009 -0400" }, "message": "ring-buffer: move big if statement down\n\nIn the hot path of the ring buffer \"__rb_reserve_next\" there\u0027s a big\nif statement that does not even return back to the work flow.\n\n\tcode;\n\n\tif (cross to next page) {\n\n\t\t[ lots of code ]\n\n\t\treturn;\n\t}\n\n\tmore code;\n\nThe condition is even the unlikely path, although we do not denote it\nwith an unlikely because gcc is fine with it. The condition is true when\nthe write crosses a page boundary, and we need to start at a new page.\n\nHaving this if statement makes it hard to read, but calling another\nfunction to do the work is also not appropriate, because we are using a lot\nof variables that were set before the if statement, and we do not want to\nsend them as parameters.\n\nThis patch changes it to a goto:\n\n\tcode;\n\n\tif (cross to next page)\n\t\tgoto next_page;\n\n\tmore code;\n\n\treturn;\n\nnext_page:\n\n\t[ lots of code]\n\nThis makes the code easier to understand, and a bit more obvious.\n\nThe output from gcc is practically identical. For some reason, gcc decided\nto use different registers when I switched it to a goto. But other than that,\nthe logic is the same.\n\n[ Impact: easier to read code ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "413f81eba35d6ede9289b0c8a920c013a84fac71", "tree": "688a864f1fa822ac9b60b08add6c7e2e9d35a372", "parents": [ "899ad580fe93c6d2a9f364fb0329ef2c259ccd1d", "42beefc0093725ec0f8cea340cc54c36ccaceea0" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 17:02:05 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 17:02:05 2009 -0700" }, "message": "Merge branch \u0027drm-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6\n\n* \u0027drm-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:\n drm/r128: fix r128 ioremaps to use ioremap_wc.\n drm: cleanup properly in drm_get_dev() failure paths\n drm: clean the map list before destroying the hash table\n drm: remove unreachable code in drm_sysfs.c\n drm: add control node checks missing from kms merge\n drm/kms: don\u0027t try to shortcut drm mode set function\n drm/radeon: bump minor version for occlusion queries support\n" }, { "commit": "94487d6d53af5acae10cf9fd52f74498994d46b1", "tree": "4aac17393ab74d234d1f7da064758d6ebf047120", "parents": [ "31b6e76e21b2ffd3cb2f6fe4149790a9fdadce2d" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Tue May 05 19:22:53 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 19:22:53 2009 -0400" }, "message": "tracing: use proper export symbol for tracing api\n\nWhen adding the EXPORT_SYMBOL to some of the tracing API, I accidently\nused EXPORT_SYMBOL instead of EXPORT_SYMBOL_GPL. This patch fixes\nthat mistake.\n\n[ Impact: export the tracing code only for GPL modules ]\n\nReported-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "31b6e76e21b2ffd3cb2f6fe4149790a9fdadce2d", "tree": "c41e2dc1c70acc229af72b65eb5630c484591a98", "parents": [ "41ede23eded40832c955d98d4b71bc244809abb3" ], "author": { "name": "Tim Abbott", "email": "tabbott@MIT.EDU", "time": "Thu Apr 30 20:06:11 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 19:17:22 2009 -0400" }, "message": "ftrace: use .sched.text, not .text.sched in recordmcount.pl\n\nThe only references in the kernel to the .text.sched section are in\nrecordmcount.pl. Since the code it has is intended to be example code\nit should refer to real kernel sections. So change it to .sched.text\ninstead.\n\n[ Impact: consistency in comments ]\n\nSigned-off-by: Tim Abbott \u003ctabbott@mit.edu\u003e\nLKML-Reference: \u003c1241136371-10768-1-git-send-email-tabbott@mit.edu\u003e\nAcked-by: Sam Ravnborg \u003csam@ravnborg.org\u003e\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "42beefc0093725ec0f8cea340cc54c36ccaceea0", "tree": "837a528b509ed1558b489c4925d07b4282030731", "parents": [ "3788f48a0fad246dbab826e8b2f07b403b0e3279" ], "author": { "name": "Dave Airlie", "email": "airlied@redhat.com", "time": "Wed May 06 09:04:52 2009 +1000" }, "committer": { "name": "Dave Airlie", "email": "airlied@redhat.com", "time": "Wed May 06 09:04:52 2009 +1000" }, "message": "drm/r128: fix r128 ioremaps to use ioremap_wc.\n\nThis should allow r128 to start working again since PAT changes.\n\ntaken from F-11 kernel.\n\nSigned-off-by: Dave Airlie \u003cairlied@redhat.com\u003e\n" }, { "commit": "899ad580fe93c6d2a9f364fb0329ef2c259ccd1d", "tree": "29727a0a8543b45b58e44cdd111f7890d6cec0a9", "parents": [ "a425a638c858fd10370b573bde81df3ba500e271", "0692698cb7369ea1ce74f3f87f70baf5072f8a37" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 15:48:03 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 15:48:03 2009 -0700" }, "message": "Merge branch \u0027release\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6\n\n* \u0027release\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:\n [IA64] xen_domu_defconfig: fix build issues/warnings\n" }, { "commit": "a425a638c858fd10370b573bde81df3ba500e271", "tree": "4cb1f1172467ed07999b0aff952dc12b1e61add6", "parents": [ "99ee12973e5fd1123ed1779fb4d11ac7d381d430" ], "author": { "name": "Mel Gorman", "email": "mel@csn.ul.ie", "time": "Tue May 05 16:37:17 2009 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 14:37:58 2009 -0700" }, "message": "Ignore madvise(MADV_WILLNEED) for hugetlbfs-backed regions\n\nmadvise(MADV_WILLNEED) forces page cache readahead on a range of memory\nbacked by a file. The assumption is made that the page required is\norder-0 and \"normal\" page cache.\n\nOn hugetlbfs, this assumption is not true and order-0 pages are\nallocated and inserted into the hugetlbfs page cache. This leaks\nhugetlbfs page reservations and can cause BUGs to trigger related to\ncorrupted page tables.\n\nThis patch causes MADV_WILLNEED to be ignored for hugetlbfs-backed\nregions.\n\nSigned-off-by: Mel Gorman \u003cmel@csn.ul.ie\u003e\nCc: stable@kernel.org\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "41ede23eded40832c955d98d4b71bc244809abb3", "tree": "044d968ac2d5784a80b46ba2ea04e639ac3e501b", "parents": [ "afbab76a62b69ea6197e19727d4b8a8aef8deb25" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 01 20:26:54 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 17:22:02 2009 -0400" }, "message": "ring-buffer: disable writers when resetting buffers\n\nAs a precaution, it is best to disable writing to the ring buffers\nwhen reseting them.\n\n[ Impact: prevent weird things if write happens during reset ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "afbab76a62b69ea6197e19727d4b8a8aef8deb25", "tree": "cfde06582fb3dbb7f8c00c7d1a8a57b0b0e9d0d1", "parents": [ "778c55d44eb4f5f658915ed631d68ed9d1ac3ad1" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 01 19:40:05 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 16:58:24 2009 -0400" }, "message": "ring-buffer: have read page swap increment counter with page entries\n\nIn the swap page ring buffer code that is used by the ftrace splice code,\nwe scan the page to increment the counter of entries read.\n\nWith the number of entries already in the page we simply need to add it.\n\n[ Impact: speed up reading page from ring buffer ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "99ee12973e5fd1123ed1779fb4d11ac7d381d430", "tree": "6786f9feaf02a979fbcd7943e3ad9bb901133383", "parents": [ "bcb16568275a9bfaa79efdce6816467927f2c406", "74a03b69d1b5ce00a568e142ca97e76b7f5239c6" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:38 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:38 2009 -0700" }, "message": "Merge branch \u0027timers/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027timers/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n clockevents: prevent endless loop in tick_handle_periodic()\n" }, { "commit": "bcb16568275a9bfaa79efdce6816467927f2c406", "tree": "45790b0f37c7d4fd45290b64c4b1f8f576989195", "parents": [ "e858e8b07666e96c7206f3c42d233340156ebf0a", "d7226fb6ec5d4f325e4e7fd905894e2ea3eb3ae0" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:27 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:09:27 2009 -0700" }, "message": "Merge branch \u0027irq/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027irq/urgent\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n Revert \"genirq: assert that irq handlers are indeed running in hardirq context\"\n" }, { "commit": "e858e8b07666e96c7206f3c42d233340156ebf0a", "tree": "c03420c9d8d9606d4f8b06bd280646528af8f4b1", "parents": [ "da87bbd14299ef43848742c44dfe05fa1da5a21f", "f5f293a4e3d0a0c52cec31de6762c95050156516" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:40 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:40 2009 -0700" }, "message": "Merge branch \u0027sched-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027sched-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n sched: account system time properly\n" }, { "commit": "da87bbd14299ef43848742c44dfe05fa1da5a21f", "tree": "ac28a7cf89fbcad8cc18f71c041c520d216ec091", "parents": [ "e91b3b2681148371d84b9cdf4cab6f9de0522544", "6e85c5ba73c07b990798087e9b858c065db2b234" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:20 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:20 2009 -0700" }, "message": "Merge branch \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027core-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n kernel/posix-cpu-timers.c: fix sparse warning\n dma-debug: remove broken dma memory leak detection for 2.6.30\n locking: Documentation: lockdep-design.txt, fix note of state bits\n" }, { "commit": "e91b3b2681148371d84b9cdf4cab6f9de0522544", "tree": "3b14f9abef903f70dbd48540cebb1da041cc01ac", "parents": [ "5e30302b9ee75a01d65d8dcf4085254a5da1066d", "33015c85995716d03f6293346cf05a1908b0fb9a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:02 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:08:02 2009 -0700" }, "message": "Merge branch \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027tracing-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n tracing: x86, mmiotrace: fix range test\n tracing: fix ref count in splice pages\n" }, { "commit": "5e30302b9ee75a01d65d8dcf4085254a5da1066d", "tree": "d9a0c9a41962640fbfb02415e2f3983adacaa33d", "parents": [ "35984d73f0829dd359639b34869cf08ba091ca98", "35d11680a9d82c93eb92f08f9702b72877427b4a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:07:21 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:07:21 2009 -0700" }, "message": "Merge branch \u0027x86-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027x86-fixes-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n x86: show number of core_siblings instead of thread_siblings in /proc/cpuinfo\n amd-iommu: fix iommu flag masks\n x86: initialize io_bitmap_base on 32bit\n x86: gettimeofday() vDSO: fix segfault when tv \u003d\u003d NULL\n" }, { "commit": "35984d73f0829dd359639b34869cf08ba091ca98", "tree": "980e11337fac416621797f110bce3d21243480fb", "parents": [ "f328ddc154605be11c4ca38fee6ace8adb140087", "4391ed6aa9a38cdfb48addd7a9b24a2ff099b1a7" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:06:54 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 12:06:54 2009 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:\n kbuild, modpost: fix unexpected non-allocatable warning with mips\n kbuild, modpost: fix \"unexpected non-allocatable\" warning with SUSE gcc\n kbuild, modpost: fix unexpected non-allocatable section when cross compiling\n" }, { "commit": "0692698cb7369ea1ce74f3f87f70baf5072f8a37", "tree": "086afdae8fd416fca8fec1d8288dfe7bfe97706e", "parents": [ "f328ddc154605be11c4ca38fee6ace8adb140087" ], "author": { "name": "Jan Beulich", "email": "jbeulich@novell.com", "time": "Tue May 05 13:57:52 2009 +0100" }, "committer": { "name": "Tony Luck", "email": "tony.luck@intel.com", "time": "Tue May 05 11:43:13 2009 -0700" }, "message": "[IA64] xen_domu_defconfig: fix build issues/warnings\n\n- drivers/xen/events.c did not compile\n- xen_setup_hook caused a modpost section warning\n- the use of u64 (instead of unsigned long long) together with a %llu\n in drivers/xen/balloon.c caused a compiler warning\n\nSigned-off-by: Jan Beulich \u003cjbeulich@novell.com\u003e\nSigned-off-by: Tony Luck \u003ctony.luck@intel.com\u003e\n" }, { "commit": "778c55d44eb4f5f658915ed631d68ed9d1ac3ad1", "tree": "fb410e06820276a499a1ff116e02f0ab8a1f20ad", "parents": [ "e4906eff9e6fbd2d311abcbcc53d5a531773c982" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Fri May 01 18:44:45 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 14:28:08 2009 -0400" }, "message": "ring-buffer: record page entries in buffer page descriptor\n\nCurrently, when the ring buffer writer overflows the buffer and must\nwrite over non consumed data, we increment the overrun counter by\nreading the entries on the page we are about to overwrite. This reads\nthe entries one by one.\n\nThis is not very effecient. This patch adds another entry counter\ninto each buffer page descriptor that keeps track of the number of\nentries on the page. Now on overwrite, the overrun counter simply\nneeds to add the number of entries that is on the page it is about\nto overwrite.\n\n[ Impact: speed up of ring buffer in overwrite mode ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "e4906eff9e6fbd2d311abcbcc53d5a531773c982", "tree": "05dd56b9336e7059cca3b651d542cc4b8bc2220b", "parents": [ "c8d771835e18c938dae8690611d65fe98ad30f58" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu Apr 30 20:49:44 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 14:25:44 2009 -0400" }, "message": "ring-buffer: convert cpu buffer entries to local_t\n\nThe entries counter in cpu buffer is not atomic. It can be updated by\nother interrupts or from another CPU (readers).\n\nBut making entries into \"atomic_t\" causes an atomic operation that can\nhurt performance. Instead we convert it to a local_t that will increment\na counter with a local CPU atomic operation (if the arch supports it).\n\nInstead of fighting with readers and overwrites that decrement the counter,\nI added a \"read\" counter. Every time a reader reads an entry it is\nincremented.\n\nWe already have a overrun counter and with that, the entries counter and\nthe read counter, we can calculate the total number of entries in the\nbuffer with:\n\n (entries - overrun) - read\n\nAs long as the total number of entries in the ring buffer is less than\nthe word size, this will work. But since the entries counter was previously\na long, this is no different than what we had before.\n\nThanks to Andrew Morton for pointing out in the first version that\natomic_t does not replace unsigned long. I switched to atomic_long_t\neven though it is signed. A negative count is most likely a bug.\n\n[ Impact: keep accurate count of cpu buffer entries ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "c8d771835e18c938dae8690611d65fe98ad30f58", "tree": "6c8ba52ab340e574c21418866bd985d55ab771e9", "parents": [ "f0d2c681ac0a85142fc8abe65fc33fcad35cb9b7" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed Apr 29 18:03:45 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 13:52:02 2009 -0400" }, "message": "tracing: export stats of ring buffers to userspace\n\nThis patch adds stats to the ftrace ring buffers:\n\n # cat /debugfs/tracing/per_cpu/cpu0/stats\n entries: 42360\n overrun: 30509326\n commit overrun: 0\n nmi dropped: 0\n\nWhere entries are the total number of data entries in the buffer.\n\noverrun is the number of entries not consumed and were overwritten by\nthe writer.\n\ncommit overrun is the number of entries dropped due to nested writers\nwrapping the buffer before the initial writer finished the commit.\n\nnmi dropped is the number of entries dropped due to the ring buffer\nlock being held when an nmi was going to write to the ring buffer.\nNote, this field will be meaningless and will go away when the ring\nbuffer becomes lockless.\n\n[ Impact: let userspace know what is happening in the ring buffers ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "f0d2c681ac0a85142fc8abe65fc33fcad35cb9b7", "tree": "eafd2b655fc7ad0695fc5dbc343bcc1eb17e2e32", "parents": [ "d6ce96dabe2c4409fd009ec14250a1fdbab4b133" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Wed Apr 29 13:43:37 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 13:51:02 2009 -0400" }, "message": "ring-buffer: add counters for commit overrun and nmi dropped entries\n\nThe WARN_ON in the ring buffer when a commit is preempted and the\nbuffer is filled by preceding writes can happen in normal operations.\nThe WARN_ON makes it look like a bug, not to mention, because\nit does not stop tracing and calls printk which can also recurse, this\nis prone to deadlock (the WARN_ON is not in a position to recurse).\n\nThis patch removes the WARN_ON and replaces it with a counter that\ncan be retrieved by a tracer. This counter is called commit_overrun.\n\nWhile at it, I added a nmi_dropped counter to count any time an NMI entry\nis dropped because the NMI could not take the spinlock.\n\n[ Impact: prevent deadlock by printing normal case warning ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "d6ce96dabe2c4409fd009ec14250a1fdbab4b133", "tree": "08a49382ec96651ca9adf8b28eb1566482fe3f9e", "parents": [ "9ee1983c9aa18f12388ef660d0c76a23dc112959" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Tue May 05 01:15:24 2009 -0400" }, "committer": { "name": "Steven Rostedt", "email": "rostedt@goodmis.org", "time": "Tue May 05 13:46:33 2009 -0400" }, "message": "ring-buffer: export symbols\n\nI\u0027m adding a module to do a series of tests on the ring buffer as well\nas benchmarks. This module needs to have more of the ring buffer API\nexported. There\u0027s nothing wrong with reading the ring buffer from a\nmodule.\n\n[ Impact: allow modules to read pages from the ring buffer ]\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n" }, { "commit": "f328ddc154605be11c4ca38fee6ace8adb140087", "tree": "53589963a1b6af22d0a26db7ab1e03dfeedb2b89", "parents": [ "80445de57764b45fc26315c19fe7dc9fc57c2c65", "2196d1cf4afab93fb64c2e5b417096e49b661612" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:27:14 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:27:14 2009 -0700" }, "message": "Merge branch \u0027i2c-for-linus\u0027 of git://jdelvare.pck.nerim.net/jdelvare-2.6\n\n* \u0027i2c-for-linus\u0027 of git://jdelvare.pck.nerim.net/jdelvare-2.6:\n i2c-algo-pca: Let PCA9564 recover from unacked data byte (state 0x30)\n i2c-algo-bit: Fix timeout test\n i2c: Timeouts off by 1\n" }, { "commit": "80445de57764b45fc26315c19fe7dc9fc57c2c65", "tree": "dc288dd1fbf94dae32e08ac9549ed814c2463f99", "parents": [ "32bc66d8d0edc9b04dea9ebac299bdb7ad781d6b", "bc83871e8325bb17da2930a76c2a3806377a76c5" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:26:10 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:26:10 2009 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits)\n e1000: fix virtualization bug\n bonding: fix alb mode locking regression\n Bluetooth: Fix issue with sysfs handling for connections\n usbnet: CDC EEM support (v5)\n tcp: Fix tcp_prequeue() to get correct rto_min value\n ehea: fix invalid pointer access\n ne2k-pci: Do not register device until initialized.\n Subject: [PATCH] br2684: restore net_dev initialization\n net: Only store high 16 bits of kernel generated filter priorities\n virtio_net: Fix function name typo\n virtio_net: Cleanup command queue scatterlist usage\n bonding: correct the cleanup in bond_create()\n virtio: add missing include to virtio_net.h\n smsc95xx: add support for LAN9512 and LAN9514\n smsc95xx: configure LED outputs\n netconsole: take care of NETDEV_UNREGISTER event\n xt_socket: checks for the state of nf_conntrack\n bonding: bond_slave_info_query() fix\n cxgb3: fixing gcc 4.4 compiler warning: suggest parentheses around operand of ‘!’\n netfilter: use likely() in xt_info_rdlock_bh()\n ...\n" }, { "commit": "32bc66d8d0edc9b04dea9ebac299bdb7ad781d6b", "tree": "b095b022c36d61ae5326d3468e937e59cc1576a6", "parents": [ "a31ea2f568d0ad4bb11e2fe8a94b95de0cb5fa69", "0203d6ec4e88062f20558fbed3cdff2af758a53b" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:25:37 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:25:37 2009 -0700" }, "message": "Merge branch \u0027merge\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc\n\n* \u0027merge\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:\n powerpc: Fix setting of oprofile cpu type\n powerpc: Update MPC5xxx and Xilinx Virtex maintainer entries\n powerpc adjust oprofile_cpu_type version 3\n" }, { "commit": "a31ea2f568d0ad4bb11e2fe8a94b95de0cb5fa69", "tree": "fe8766f145384c86f37d639236741774ca53fc0d", "parents": [ "0488713c1eeff06e497e2e54ffb2795b447e8983", "65c90bca0dba56f60dc4ce2a529140c3cc440f22" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:24:41 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:24:41 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:\n selinux: Fix send_sigiotask hook\n" }, { "commit": "0488713c1eeff06e497e2e54ffb2795b447e8983", "tree": "0927652e2c4a9622ef67ac5c74555089f1754ab4", "parents": [ "37ecfd807b82bf547429fe1376e1fe7000ba7cff", "1bab88b2310998de18b32529a27ea835d164254a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:23:42 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:23:42 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:\n net/9p: handle correctly interrupted 9P requests\n net/9p: return error when p9_client_stat fails\n net/9p: set correct stat size when sending Twstat messages\n" }, { "commit": "37ecfd807b82bf547429fe1376e1fe7000ba7cff", "tree": "0d1810bce95fc46505ee7ab529e7795c23ef9c80", "parents": [ "71019c350aca8fe650246988e64bfd2c89192180", "2e058a6fb004a6b6c3eb6a219ae408f83b670598" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:23:16 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:23:16 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:\n mvsdio: fix CONFIG_PM\u003dy build\n mmci: fix crash with debug enabled\n sdhci: catch ADMA errors\n mmc: increase power up delay\n sdhci-pci: bad error handling in probe function\n mmc_block: be prepared for oversized requests\n" }, { "commit": "71019c350aca8fe650246988e64bfd2c89192180", "tree": "f6a3524d0e456b347772c36418e8e31a77e9e668", "parents": [ "f83ce3e6b02d5e48b3a43b001390e2b58820389d", "5d7ee52f1c3dbe0e06d9bfad4912562fd1b6eb03" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:22:55 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 05 08:22:55 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:\n ASoC: Remove BROKEN from mpc5200 kconfig\n ASoC: TWL4030: Fix gain control for earpiece amplifier\n ALSA: pcm core - Avoid jiffies check for devices with BATCH flag\n ALSA: Add missing SNDRV_PCM_INFO_BATCH flag to some drivers\n ALSA: indigo-express: add missing 64KHz flags\n ASoC: Set the MPC5200 i2s driver to BROKEN status.\n ASoC: Fix logic in WM8350 master clocking check\n" }, { "commit": "2196d1cf4afab93fb64c2e5b417096e49b661612", "tree": "b9534b056eeb3a2e43620ef8ea52dd519ba50ba6", "parents": [ "0cdba07bb23cdd3e0d64357ec3d983e6b75e541f" ], "author": { "name": "Enrik Berkhan", "email": "Enrik.Berkhan@ge.com", "time": "Tue May 05 08:39:25 2009 +0200" }, "committer": { "name": "Jean Delvare", "email": "khali@linux-fr.org", "time": "Tue May 05 08:39:25 2009 +0200" }, "message": "i2c-algo-pca: Let PCA9564 recover from unacked data byte (state 0x30)\n\nCurrently, the i2c-algo-pca driver does nothing if the chip enters state\n0x30 (Data byte in I2CDAT has been transmitted; NOT ACK has been\nreceived). Thus, the i2c bus connected to the controller gets stuck\nafterwards.\n\nI have seen this kind of error on a custom board in certain load\nsituations most probably caused by interference or noise.\n\nA possible reaction is to let the controller generate a STOP condition.\nThis is documented in the PCA9564 data sheet (2006-09-01) and the same\nis done for other NACK states as well.\n\nFurther, state 0x38 isn\u0027t handled completely, either. Try to do another\nSTART in this case like the data sheet says. As this couldn\u0027t be tested,\nI\u0027ve added a comment to try to reset the chip if the START doesn\u0027t help\nas suggested by Wolfram Sang.\n\nSigned-off-by: Enrik Berkhan \u003cEnrik.Berkhan@ge.com\u003e\nReviewed-by: Wolfram Sang \u003cw.sang@pengutronix.de\u003e\nSigned-off-by: Jean Delvare \u003ckhali@linux-fr.org\u003e\n" }, { "commit": "0cdba07bb23cdd3e0d64357ec3d983e6b75e541f", "tree": "2be7fb0ed8b0e1a7a478d79e33fc742daa27fb35", "parents": [ "4ccc28f725bc2b7b0a3bc27e9c15f4eaf63fb812" ], "author": { "name": "Dave Airlie", "email": "airlied@redhat.com", "time": "Tue May 05 08:39:24 2009 +0200" }, "committer": { "name": "Jean Delvare", "email": "khali@linux-fr.org", "time": "Tue May 05 08:39:24 2009 +0200" }, "message": "i2c-algo-bit: Fix timeout test\n\nWhen fetching DDC using i2c algo bit, we were often seeing timeouts\nbefore getting valid EDID on a retry. The VESA spec states 2ms is the\nDDC timeout, so when this translates into 1 jiffie and we are close\nto the end of the time period, it could return with a timeout less than\n2ms.\n\nChange this code to use time_after instead of time_after_eq.\n\nSigned-off-by: Dave Airlie \u003cairlied@redhat.com\u003e\nSigned-off-by: Jean Delvare \u003ckhali@linux-fr.org\u003e\n" }, { "commit": "4ccc28f725bc2b7b0a3bc27e9c15f4eaf63fb812", "tree": "f1a3a3424713340aabb5722fc1accad149fc5052", "parents": [ "b4348f32dae3cb6eb4bc21c7ed8f76c0b11e9d6a" ], "author": { "name": "Roel Kluin", "email": "roel.kluin@gmail.com", "time": "Tue May 05 08:39:24 2009 +0200" }, "committer": { "name": "Jean Delvare", "email": "khali@linux-fr.org", "time": "Tue May 05 08:39:24 2009 +0200" }, "message": "i2c: Timeouts off by 1\n\nwith while (timeout++ \u003c MAX_TIMEOUT); timeout reaches MAX_TIMEOUT + 1\nafter the loop, so the tests below are off by one.\n\nSigned-off-by: Roel Kluin \u003croel.kluin@gmail.com\u003e\nSigned-off-by: Jean Delvare \u003ckhali@linux-fr.org\u003e\n" }, { "commit": "bc83871e8325bb17da2930a76c2a3806377a76c5", "tree": "af43c8f91eb05c92c609ddcaec26eb8f23155bc4", "parents": [ "e151a60ad1faffb6241cf7eb6846353df1f33a32", "a67e899cf38ae542d1a028ccd021f9189f76fb74" ], "author": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 21:31:29 2009 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 21:31:29 2009 -0700" }, "message": "Merge branch \u0027master\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6\n" }, { "commit": "e151a60ad1faffb6241cf7eb6846353df1f33a32", "tree": "32362bffe010306c755c188d13603db83d03b4c6", "parents": [ "815bcc2719c12b6f5b511706e2d19728e07f0b02" ], "author": { "name": "Jesse Brandeburg", "email": "jesse.brandeburg@intel.com", "time": "Mon May 04 11:19:42 2009 +0000" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 21:28:13 2009 -0700" }, "message": "e1000: fix virtualization bug\n\na recent fix to e1000 (commit 15b2bee2) caused KVM/QEMU/VMware based\nvirtualized e1000 interfaces to begin failing when resetting.\n\nThis is because the driver in a virtual environment doesn\u0027t\nget to run instructions *AT ALL* when an interrupt is asserted.\nThe interrupt code runs immediately and this recent bug fix\nallows an interrupt to be possible when the interrupt handler\nwill reject it (due to the new code), when being called from\nany path in the driver that holds the E1000_RESETTING flag.\n\nthe driver should use the __E1000_DOWN flag instead of the\n__E1000_RESETTING flag to prevent interrupt execution\nwhile reconfiguring the hardware.\n\nSigned-off-by: Jesse Brandeburg \u003cjesse.brandeburg@intel.com\u003e\nSigned-off-by: Jeff Kirsher \u003cjeffrey.t.kirsher@intel.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "815bcc2719c12b6f5b511706e2d19728e07f0b02", "tree": "85e56692bb5dd9af9d3bd9efdf8eac3b7b55f0d0", "parents": [ "9f722c0978b04acba209f8ca1896ad05814bc3a3" ], "author": { "name": "Jay Vosburgh", "email": "fubar@us.ibm.com", "time": "Mon May 04 09:03:37 2009 +0000" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 21:28:10 2009 -0700" }, "message": "bonding: fix alb mode locking regression\n\nFix locking issue in alb MAC address management; removed\nincorrect locking and replaced with correct locking. This bug was\nintroduced in commit 059fe7a578fba5bbb0fdc0365bfcf6218fa25eb0\n(\"bonding: Convert locks to _bh, rework alb locking for new locking\")\n\n\tBug reported by Paul Smith \u003cpaul@mad-scientist.net\u003e, who also\ntested the fix.\n\nSigned-off-by: Jay Vosburgh \u003cfubar@us.ibm.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "65c90bca0dba56f60dc4ce2a529140c3cc440f22", "tree": "fd8f5e6338f04ba47fe91de1303b92a22da78daf", "parents": [ "091438dd5668396328a3419abcbc6591159eb8d1" ], "author": { "name": "Stephen Smalley", "email": "sds@tycho.nsa.gov", "time": "Mon May 04 15:43:18 2009 -0400" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Tue May 05 08:31:03 2009 +1000" }, "message": "selinux: Fix send_sigiotask hook\n\nThe CRED patch incorrectly converted the SELinux send_sigiotask hook to\nuse the current task SID rather than the target task SID in its\npermission check, yielding the wrong permission check. This fixes the\nhook function. Detected by the ltp selinux testsuite and confirmed to\ncorrect the test failure.\n\nSigned-off-by: Stephen Smalley \u003csds@tycho.nsa.gov\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "f83ce3e6b02d5e48b3a43b001390e2b58820389d", "tree": "71c57abf4f9d259f5bfa22deaf724db85738f862", "parents": [ "7fdf523067666b0eaff330f362401ee50ce187c4" ], "author": { "name": "Jake Edge", "email": "jake@lwn.net", "time": "Mon May 04 12:51:14 2009 -0600" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 04 15:14:23 2009 -0700" }, "message": "proc: avoid information leaks to non-privileged processes\n\nBy using the same test as is used for /proc/pid/maps and /proc/pid/smaps,\nonly allow processes that can ptrace() a given process to see information\nthat might be used to bypass address space layout randomization (ASLR).\nThese include eip, esp, wchan, and start_stack in /proc/pid/stat as well\nas the non-symbolic output from /proc/pid/wchan.\n\nASLR can be bypassed by sampling eip as shown by the proof-of-concept\ncode at http://code.google.com/p/fuzzyaslr/ As part of a presentation\n(http://www.cr0.org/paper/to-jt-linux-alsr-leak.pdf) esp and wchan were\nalso noted as possibly usable information leaks as well. The\nstart_stack address also leaks potentially useful information.\n\nCc: Stable Team \u003cstable@kernel.org\u003e\nSigned-off-by: Jake Edge \u003cjake@lwn.net\u003e\nAcked-by: Arjan van de Ven \u003carjan@linux.intel.com\u003e\nAcked-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a67e899cf38ae542d1a028ccd021f9189f76fb74", "tree": "d0bb79ccbdd5737745e99acbc569605bc74bc446", "parents": [ "9f722c0978b04acba209f8ca1896ad05814bc3a3" ], "author": { "name": "Marcel Holtmann", "email": "marcel@holtmann.org", "time": "Sat May 02 18:24:06 2009 -0700" }, "committer": { "name": "Marcel Holtmann", "email": "marcel@holtmann.org", "time": "Mon May 04 14:29:02 2009 -0700" }, "message": "Bluetooth: Fix issue with sysfs handling for connections\n\nDue to a semantic changes in flush_workqueue() the current approach of\nsynchronizing the sysfs handling for connections doesn\u0027t work anymore. The\nwhole approach is actually fully broken and based on assumptions that are\nno longer valid.\n\nWith the introduction of Simple Pairing support, the creation of low-level\nACL links got changed. This change invalidates the reason why in the past\ntwo independent work queues have been used for adding/removing sysfs\ndevices. The adding of the actual sysfs device is now postponed until the\nhost controller successfully assigns an unique handle to that link. So\nthe real synchronization happens inside the controller and not the host.\n\nThe only left-over problem is that some internals of the sysfs device\nhandling are not initialized ahead of time. This leaves potential access\nto invalid data and can cause various NULL pointer dereferences. To fix\nthis a new function makes sure that all sysfs details are initialized\nwhen an connection attempt is made. The actual sysfs device is only\nregistered when the connection has been successfully established. To\navoid a race condition with the registration, the check if a device is\nregistered has been moved into the removal work.\n\nAs an extra protection two flush_work() calls are left in place to\nmake sure a previous add/del work has been completed first.\n\nBased on a report by Marc Pignat \u003cmarc.pignat@hevs.ch\u003e\n\nSigned-off-by: Marcel Holtmann \u003cmarcel@holtmann.org\u003e\nTested-by: Justin P. Mattock \u003cjustinmattock@gmail.com\u003e\nTested-by: Roger Quadros \u003cext-roger.quadros@nokia.com\u003e\nTested-by: Marc Pignat \u003cmarc.pignat@hevs.ch\u003e\n" }, { "commit": "9f722c0978b04acba209f8ca1896ad05814bc3a3", "tree": "9c596d23beda50080a21a5ed90be3e9f4a6a5d1e", "parents": [ "0c266898b42fe4e4e2f9edfc9d3474c10f93aa6a" ], "author": { "name": "Omar Laazimani", "email": "omar.oberthur@gmail.com", "time": "Mon May 04 12:01:43 2009 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 12:01:43 2009 -0700" }, "message": "usbnet: CDC EEM support (v5)\n\nThis introduces a CDC Ethernet Emulation Model (EEM) host side\ndriver to support USB EEM devices.\n\nEEM is different from the Ethernet Control Model (ECM) currently\nsupported by the \"CDC Ethernet\" driver. One key difference is\nthat it doesn\u0027t require of USB interface alternate settings to\nmanage interface state; some maldesigned hardware can\u0027t handle\nthat part of USB. It also avoids a separate USB interface for\ncontrol and status updates.\n\n[ dbrownell@users.sourceforge.net: fix skb leaks, add rx packet\nchecks, improve fault handling, EEM conformance updates, cleanup ]\n\nSigned-off-by: Omar Laazimani \u003comar.oberthur@gmail.com\u003e\nSigned-off-by: David Brownell \u003cdbrownell@users.sourceforge.net\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "35d11680a9d82c93eb92f08f9702b72877427b4a", "tree": "a4ede764ca9d4a4e9c7fe95790037f4e49891375", "parents": [ "6da7342ff1c5274c51ada084974668d10f769c16" ], "author": { "name": "Andreas Herrmann", "email": "andreas.herrmann3@amd.com", "time": "Mon May 04 20:28:59 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon May 04 20:36:49 2009 +0200" }, "message": "x86: show number of core_siblings instead of thread_siblings in /proc/cpuinfo\n\nCommit 7ad728f98162cb1af06a85b2a5fc422dddd4fb78\n(cpumask: x86: convert cpu_sibling_map/cpu_core_map to cpumask_var_t)\nchanged the output of /proc/cpuinfo for siblings:\n\nExample on an AMD Phenom:\n\n physical id : 0\n siblings : 1\n core id\t : 3\n cpu cores : 4\n\nBefore that commit it was:\n\n physical id\t: 0\n siblings : 4\n core id\t : 3\n cpu cores : 4\n\nInstead of cpu_core_mask it now uses cpu_sibling_mask to count siblings.\nThis is due to the following hunk of above commit:\n\n| --- a/arch/x86/kernel/cpu/proc.c\n| +++ b/arch/x86/kernel/cpu/proc.c\n| @@ -14,7 +14,7 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinf\n| if (c-\u003ex86_max_cores * smp_num_siblings \u003e 1) {\n| seq_printf(m, \"physical id\\t: %d\\n\", c-\u003ephys_proc_id);\n| seq_printf(m, \"siblings\\t: %d\\n\",\n| - cpus_weight(per_cpu(cpu_core_map, cpu)));\n| + cpumask_weight(cpu_sibling_mask(cpu)));\n| seq_printf(m, \"core id\\t\\t: %d\\n\", c-\u003ecpu_core_id);\n| seq_printf(m, \"cpu cores\\t: %d\\n\", c-\u003ebooted_cores);\n| seq_printf(m, \"apicid\\t\\t: %d\\n\", c-\u003eapicid);\n\nThis was a mistake, because the impact line shows that this side-effect\nwas not anticipated:\n\n Impact: reduce per-cpu size for CONFIG_CPUMASK_OFFSTACK\u003dy\n\nSo revert the respective hunk to restore the old behavior.\n\n[ Impact: fix sibling-info regression in /proc/cpuinfo ]\n\nSigned-off-by: Andreas Herrmann \u003candreas.herrmann3@amd.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nLKML-Reference: \u003c20090504182859.GA29045@alberich.amd.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "0c266898b42fe4e4e2f9edfc9d3474c10f93aa6a", "tree": "d964259d2fdd67f22f005852b1770c40ba4d6474", "parents": [ "0b2febf38a33d7c40fb7bb4a58c113a1fa33c412" ], "author": { "name": "Satoru SATOH", "email": "satoru.satoh@gmail.com", "time": "Mon May 04 11:11:01 2009 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 11:11:01 2009 -0700" }, "message": "tcp: Fix tcp_prequeue() to get correct rto_min value\n\ntcp_prequeue() refers to the constant value (TCP_RTO_MIN) regardless of\nthe actual value might be tuned. The following patches fix this and make\ntcp_prequeue get the actual value returns from tcp_rto_min().\n\nSigned-off-by: Satoru SATOH \u003csatoru.satoh@gmail.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "0b2febf38a33d7c40fb7bb4a58c113a1fa33c412", "tree": "95993c55500c30ff17e04f530728d00f40480364", "parents": [ "379b026ecc20c4657d37e40ead789f7f28f1a1c1" ], "author": { "name": "Hannes Hering", "email": "hering2@de.ibm.com", "time": "Mon May 04 11:06:37 2009 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Mon May 04 11:06:37 2009 -0700" }, "message": "ehea: fix invalid pointer access\n\nThis patch fixes an invalid pointer access in case the receive queue\nholds no pointer to the next skb when the queue is empty.\n\nSigned-off-by: Hannes Hering \u003chering2@de.ibm.com\u003e\nSigned-off-by: Jan-Bernd Themann \u003cthemann@de.ibm.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "5d7ee52f1c3dbe0e06d9bfad4912562fd1b6eb03", "tree": "a7c9171b0c8a0cecbd54c0349673574d13bac9d9", "parents": [ "dea6a9d306f75004c202a843e5a578e595e56c09", "3f68165e234233255a789c827c5d3d6fa965ddce" ], "author": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:06:58 2009 +0200" }, "committer": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:06:58 2009 +0200" }, "message": "Merge branch \u0027fix/misc\u0027 into for-linus\n\n* fix/misc:\n ALSA: indigo-express: add missing 64KHz flags\n" }, { "commit": "dea6a9d306f75004c202a843e5a578e595e56c09", "tree": "ecb00994f0715d0cb40ca86ab0a746cbb7d2fd60", "parents": [ "56dc16f75dfe91ea91f6b0978b3871003934ae82", "6574612fbb34c63117581e68f2231ddce027e41e" ], "author": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:06:43 2009 +0200" }, "committer": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:06:43 2009 +0200" }, "message": "Merge branch \u0027fix/asoc\u0027 into for-linus\n\n* fix/asoc:\n ASoC: Remove BROKEN from mpc5200 kconfig\n ASoC: TWL4030: Fix gain control for earpiece amplifier\n ASoC: Set the MPC5200 i2s driver to BROKEN status.\n ASoC: Fix logic in WM8350 master clocking check\n" }, { "commit": "56dc16f75dfe91ea91f6b0978b3871003934ae82", "tree": "2f7c046761d4548a1705363279a61d746c2fb6d0", "parents": [ "091438dd5668396328a3419abcbc6591159eb8d1", "3e5b50165fd0be080044586f43fcdd460ed27610" ], "author": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:06:37 2009 +0200" }, "committer": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:06:37 2009 +0200" }, "message": "Merge branch \u0027fix/pcm-jiffies-check\u0027 into for-linus\n\n* fix/pcm-jiffies-check:\n ALSA: pcm core - Avoid jiffies check for devices with BATCH flag\n ALSA: Add missing SNDRV_PCM_INFO_BATCH flag to some drivers\n" }, { "commit": "6574612fbb34c63117581e68f2231ddce027e41e", "tree": "0be0c001a3274f1adffd96ddc61ba12cbd9b4b56", "parents": [ "3a20ac2c52b1317f5a5f0bd9cd3cbe8495ddd026" ], "author": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:03:21 2009 +0200" }, "committer": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:03:21 2009 +0200" }, "message": "ASoC: Remove BROKEN from mpc5200 kconfig\n\nThe regression was fixed by commit\n3e5b50165fd0be080044586f43fcdd460ed27610, so no need to mark this\ndriver as BROKEN.\n\nSigned-off-by: Takashi Iwai \u003ctiwai@suse.de\u003e\n" }, { "commit": "3a20ac2c52b1317f5a5f0bd9cd3cbe8495ddd026", "tree": "9a912f2609cefb9698b5cce09cd240bd6dbd09fb", "parents": [ "18cc8d8d9b74c446832336d8f6e1afb145f9431b", "3e5b50165fd0be080044586f43fcdd460ed27610" ], "author": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:00:16 2009 +0200" }, "committer": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Mon May 04 16:00:16 2009 +0200" }, "message": "Merge branch \u0027fix/pcm-jiffies-check\u0027 into fix/asoc\n" }, { "commit": "6da7342ff1c5274c51ada084974668d10f769c16", "tree": "58605f647c44cdd7ffea9001dd153356910de0f0", "parents": [ "f9a196b8dceba3c1e5fe885b81e45043ad7c60fc" ], "author": { "name": "Joerg Roedel", "email": "joerg.roedel@amd.com", "time": "Mon May 04 11:44:38 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon May 04 15:05:24 2009 +0200" }, "message": "amd-iommu: fix iommu flag masks\n\nThe feature bits should be set via bitmasks, not via feature IDs.\n\n[ Impact: fix feature enabling in newer IOMMU versions ]\n\nSigned-off-by: Joerg Roedel \u003cjoerg.roedel@amd.com\u003e\nLKML-Reference: \u003c20090504102028.GA30307@amd.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "4391ed6aa9a38cdfb48addd7a9b24a2ff099b1a7", "tree": "50d5dcda1a5d73c51c8c6e70858f8f276af1c29c", "parents": [ "028ecebdd83cc4a7f8c7e96e28a5537d2ac98dae" ], "author": { "name": "Sam Ravnborg", "email": "sam@ravnborg.org", "time": "Mon May 04 13:05:26 2009 +0200" }, "committer": { "name": "Sam Ravnborg", "email": "sam@ravnborg.org", "time": "Mon May 04 13:05:26 2009 +0200" }, "message": "kbuild, modpost: fix unexpected non-allocatable warning with mips\n\nmips emit the following debug sections:\n.mdebug* and .pdr\n\nThey were included in the check for non-allocatable section\nand caused modpost to warn.\n\nManuel Lauss suggested to fix this by adding the relevant\nsections to the list of sections we do not check.\n\nSigned-off-by: Sam Ravnborg \u003csam@ravnborg.org\u003e\nReported-by: Manuel Lauss \u003cmano@roarinelk.homelinux.net\u003e\n" }, { "commit": "028ecebdd83cc4a7f8c7e96e28a5537d2ac98dae", "tree": "f14dce375101e368575d91042f8a648762998b50", "parents": [ "7d875a02864a35532543897195dfea2235815df8" ], "author": { "name": "Sam Ravnborg", "email": "sam@ravnborg.org", "time": "Sun May 03 22:17:37 2009 +0200" }, "committer": { "name": "Sam Ravnborg", "email": "sam@ravnborg.org", "time": "Mon May 04 13:05:06 2009 +0200" }, "message": "kbuild, modpost: fix \"unexpected non-allocatable\" warning with SUSE gcc\n\nJean reported that he saw one warning for each module like the one below:\nWARNING: arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.o (.comment.SUSE.OPTs): unexpected non-allocatable section.\n\nThe warning appeared with the improved version of the\ncheck of the flags in the sections.\n\nThat check already ignored sections named \".comment\" - but SUSE store\nadditional info in the comment section and has named it in a SUSE\nspecific way. Therefore modpost failed to ignore the section.\n\nThe fix is to extend the pattern so we ignore all sections\nthat start with the name \".comment.\".\n\nSigned-off-by: Sam Ravnborg \u003csam@ravnborg.org\u003e\nReported-by: Jean Delvare \u003ckhali@linux-fr.org\u003e\nTested-by: Jean Delvare \u003ckhali@linux-fr.org\u003e\n" }, { "commit": "7d875a02864a35532543897195dfea2235815df8", "tree": "77949e1c62598f76b0921e593c81837d936869ed", "parents": [ "b4348f32dae3cb6eb4bc21c7ed8f76c0b11e9d6a" ], "author": { "name": "Anders Kaseorg", "email": "andersk@MIT.EDU", "time": "Sun May 03 22:02:55 2009 +0200" }, "committer": { "name": "Sam Ravnborg", "email": "sam@ravnborg.org", "time": "Mon May 04 13:05:03 2009 +0200" }, "message": "kbuild, modpost: fix unexpected non-allocatable section when cross compiling\n\nThe missing TO_NATIVE(sechdrs[i].sh_flags) was causing many\nunexpected non-allocatable section warnings when cross-compiling\nfor an architecture with a different endianness.\n\nFix endianness of all the fields in the ELF header and\nsection headers, not just some of them so we are not\nhit by this anohter time.\n\nSigned-off-by: Anders Kaseorg \u003candersk@mit.edu\u003e\nReported-by: Sean MacLennan \u003csmaclennan@pikatech.com\u003e\nTested-by: Sean MacLennan \u003csmaclennan@pikatech.com\u003e\nSigned-off-by: Sam Ravnborg \u003csam@ravnborg.org\u003e\n" }, { "commit": "2e058a6fb004a6b6c3eb6a219ae408f83b670598", "tree": "386478ccf44e7a544e5a3e74d501d9d5f5a1f97f", "parents": [ "4ea580f1db62c5419e6690878fd61a740f3aae8e" ], "author": { "name": "Rabin Vincent", "email": "rabin@rab.in", "time": "Tue Apr 21 00:14:54 2009 +0530" }, "committer": { "name": "Pierre Ossman", "email": "pierre@ossman.eu", "time": "Sun May 03 22:12:46 2009 +0200" }, "message": "mvsdio: fix CONFIG_PM\u003dy build\n\nFix usage of obsolete parameters and functions in the driver\u0027s PM\ncallbacks.\n\nSigned-off-by: Rabin Vincent \u003crabin@rab.in\u003e\nAcked-by: Nicolas Pitre \u003cnico@marvell.com\u003e\nSigned-off-by: Pierre Ossman \u003cpierre@ossman.eu\u003e\n" }, { "commit": "4ea580f1db62c5419e6690878fd61a740f3aae8e", "tree": "c1eac49aef0f4a4f097f6bd21790694a6443951a", "parents": [ "4accfe2577fab83e41db02282570e849f24ddf53" ], "author": { "name": "Rabin Vincent", "email": "rabin@rab.in", "time": "Fri Apr 17 08:44:19 2009 +0530" }, "committer": { "name": "Pierre Ossman", "email": "pierre@ossman.eu", "time": "Sun May 03 22:12:27 2009 +0200" }, "message": "mmci: fix crash with debug enabled\n\nIf MMC debugging is enabled, the mmci driver oopses because the DBG\nmacro uses host-\u003emmc before it is set. Set it earlier.\n\nSigned-off-by: Rabin Vincent \u003crabin@rab.in\u003e\nSigned-off-by: Pierre Ossman \u003cpierre@ossman.eu\u003e\n" }, { "commit": "4accfe2577fab83e41db02282570e849f24ddf53", "tree": "fd3c0da928d8f0bb072095b508777eef6b939f92", "parents": [ "79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0" ], "author": { "name": "Pierre Ossman", "email": "pierre@ossman.eu", "time": "Fri Apr 10 23:55:42 2009 +0200" }, "committer": { "name": "Pierre Ossman", "email": "pierre@ossman.eu", "time": "Sun May 03 22:11:48 2009 +0200" }, "message": "sdhci: catch ADMA errors\n\nWe forgot to add the ADMA error bit to the list of data interrupts.\n\nSigned-off-by: Pierre Ossman \u003cpierre@ossman.eu\u003e\n" }, { "commit": "79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0", "tree": "43d3527809af8a5f5f9e32c32cd06712b4f295ed", "parents": [ "c60a32cd129b1c41f98888b03ba2904406bac8f8" ], "author": { "name": "José M. Fernández", "email": "josemariafg@gmail.com", "time": "Tue Mar 10 02:21:21 2009 +0100" }, "committer": { "name": "Pierre Ossman", "email": "pierre@ossman.eu", "time": "Sun May 03 22:11:31 2009 +0200" }, "message": "mmc: increase power up delay\n\nThe TI controller on Toshiba Tecra M5 needs more time to power up or\nthe cards will init incorrectly or not at all.\n\nSigned-off-by: José M. Fernández \u003cjosemariafg@gmail.com\u003e\nSigned-off-by: Pierre Ossman \u003cpierre@ossman.eu\u003e\n" }, { "commit": "c60a32cd129b1c41f98888b03ba2904406bac8f8", "tree": "a80cf164fc2de787c4b04240726828b116069c0d", "parents": [ "548d2de9bd978a4d4e941477500f1ab97aade137" ], "author": { "name": "Dan Carpenter", "email": "error27@gmail.com", "time": "Fri Apr 10 23:31:10 2009 +0200" }, "committer": { "name": "Pierre Ossman", "email": "pierre@ossman.eu", "time": "Sun May 03 22:11:19 2009 +0200" }, "message": "sdhci-pci: bad error handling in probe function\n\nThe goto unmap is too early, we haven\u0027t allocated host or done the\nrequest_region().\n\nFound by smatch (http://repo.or.cz/w/smatch.git).\n\n[ Second error path fix by Pierre Ossman ]\n\nSigned-off-by: Dan Carpenter \u003cerror27@gmail.com\u003e\nSigned-off-by: Pierre Ossman \u003cpierre@ossman.eu\u003e\n" } ], "next": "548d2de9bd978a4d4e941477500f1ab97aade137" }