AuxXxilium/linux_dsm_epyc7002
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89f19f04dc
linux_dsm_epyc7002/kernel/trace
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Andrew Morton 89f19f04dc sched: Fix raciness in runqueue_is_locked() 
runqueue_is_locked() is unavoidably racy due to a poor interface design.
It does

	cpu = get_cpu()
	ret = some_perpcu_thing(cpu);
	put_cpu(cpu);
	return ret;

Its return value is unreliable.

Fix.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <200909191855.n8JItiko022148@imap1.linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-09-20 20:00:32 +02:00
..
blktrace.c Merge commit 'v2.6.31-rc9' into tracing/core 2009-09-06 06:11:42 +02:00
ftrace.c tracing: switch function prints from %pf to %ps 2009-09-17 15:53:40 -04:00
Kconfig ftrace: document function and function graph implementation 2009-09-14 21:43:15 -04:00
kmemtrace.c tracing: remove users of tracing_reset 2009-09-04 12:12:39 -04:00
Makefile tracing/events: convert block trace points to TRACE_EVENT() 2009-06-09 12:34:23 -04:00
ring_buffer_benchmark.c ring-buffer: have benchmark test print to trace buffer 2009-06-17 17:01:09 -04:00
ring_buffer.c ring-buffer: typecast cmpxchg to fix PowerPC warning 2009-09-14 09:41:57 -04:00
trace_boot.c tracing: add filter event logic to special, mmiotrace and boot tracers 2009-09-12 23:34:04 -04:00
trace_branch.c Merge branch 'linus' into tracing/core 2009-05-07 11:17:34 +02:00
trace_clock.c tracing: optimize global_trace_clock cachelines 2009-09-15 12:24:22 -04:00
trace_entries.h tracing: remove some unused macros 2009-09-14 11:43:24 -04:00
trace_event_profile.c tracing/profile: fix profile_disable vs module_unload 2009-09-12 22:28:38 -04:00
trace_events_filter.c tracing: move PRED macros to trace_events_filter.c 2009-09-09 23:54:11 -04:00
trace_events.c Merge branch 'linus' into tracing/core 2009-09-17 20:53:10 +02:00
trace_export.c tracing: remove some unused macros 2009-09-14 11:43:24 -04:00
trace_functions_graph.c tracing: switch function prints from %pf to %ps 2009-09-17 15:53:40 -04:00
trace_functions.c tracing: switch function prints from %pf to %ps 2009-09-17 15:53:40 -04:00
trace_hw_branches.c Merge branch 'tracing/hw-branch-tracing' into tracing/core 2009-05-07 13:36:22 +02:00
trace_irqsoff.c tracing: do not update tracing_max_latency when tracer is stopped 2009-09-12 21:45:17 -04:00
trace_mmiotrace.c tracing: add filter event logic to special, mmiotrace and boot tracers 2009-09-12 23:34:04 -04:00
trace_nop.c tracing/ftrace: make nop-tracer use polling wait for events on pipe 2009-03-23 09:22:15 +01:00
trace_output.c tracing: consolidate code between trace_output.c and trace_function_graph.c 2009-09-11 14:24:13 -04:00
trace_output.h tracing: consolidate code between trace_output.c and trace_function_graph.c 2009-09-11 14:24:13 -04:00
trace_power.c tracing: pass around ring buffer instead of tracer 2009-09-04 18:59:39 -04:00
trace_printk.c tracing: show proper address for trace-printk format 2009-07-23 10:07:17 -04:00
trace_sched_switch.c tracing: pass around ring buffer instead of tracer 2009-09-04 18:59:39 -04:00
trace_sched_wakeup.c tracing: do not update tracing_max_latency when tracer is stopped 2009-09-12 21:45:17 -04:00
trace_selftest_dynamic.c ftrace: fix dynamic ftrace selftest 2008-05-23 21:13:23 +02:00
trace_selftest.c tracing/function-graph-tracer: Move graph event insertion helpers in the graph tracer file 2009-08-06 07:28:06 +02:00
trace_stack.c trace_stack: Simplify seqfile code 2009-08-17 11:25:09 +02:00
trace_stat.c trace_stat: Fix missing entry in stat file 2009-08-17 11:25:09 +02:00
trace_stat.h tracing/stat: Add stat_release() callback 2009-07-10 12:14:05 +02:00
trace_syscalls.c tracing: pass around ring buffer instead of tracer 2009-09-04 18:59:39 -04:00
trace_sysprof.c Merge branch 'timers-for-linus-migration' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-15 10:06:19 -07:00
trace_workqueue.c tracing/workqueues: Add refcnt to struct cpu_workqueue_stats 2009-07-10 12:14:07 +02:00
trace.c sched: Fix raciness in runqueue_is_locked() 2009-09-20 20:00:32 +02:00
trace.h tracing: use the new trace_entries.h to create format files 2009-09-12 23:08:10 -04:00