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Will Deacon 60916a9382 tracing/syscalls: Fix perf syscall tracing when syscall_nr == -1 
syscall_get_nr can return -1 in the case that the task is not executing
a system call.

This patch fixes perf_syscall_{enter,exit} to check that the syscall
number is valid before using it as an index into a bitmap.

Link: http://lkml.kernel.org/r/1345137254-7377-1-git-send-email-will.deacon@arm.com

Cc: Jason Baron <jbaron@redhat.com>
Cc: Wade Farnsworth <wade_farnsworth@mentor.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
 		2012-08-17 15:19:46 -04:00
..
Kconfig Merge branch 'perf-uprobes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-24 11:39:34 -07:00
Makefile Merge branch 'perf-uprobes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-24 11:39:34 -07:00
blktrace.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
ftrace.c ftrace: Remove a superfluous check 2012-06-14 15:22:12 -04:00
power-traces.c
…
ring_buffer.c Merge branch 'linus' into perf/core 2012-07-18 11:17:17 +02:00
ring_buffer_benchmark.c tracing: Use NUMA allocation for per-cpu ring buffer pages 2011-06-14 22:04:39 -04:00
rpm-traces.c PM / Runtime: Introduce trace points for tracing rpm_* functions 2011-09-27 22:53:27 +02:00
trace.c Staging tree patches for 3.6-rc1 2012-07-26 11:14:49 -07:00
trace.h tracing: Remove NR_CPUS array from trace_iterator 2012-06-28 13:52:15 -04:00
trace_branch.c
…
trace_clock.c tracing: Add a counter clock for those that do not trust clocks 2011-09-19 11:35:58 -04:00
trace_entries.h Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent 2012-03-24 08:19:09 +01:00
trace_event_perf.c perf/trace: Add ability to set a target task for events 2012-07-31 17:02:05 +02:00
trace_events.c tracing: Do not enable function event with enable 2012-05-10 15:55:43 -04:00
trace_events_filter.c ftrace, perf: Add filter support for function trace event 2012-02-21 11:08:30 -05:00
trace_events_filter_test.h tracing/filter: Add startup tests for events filter 2011-08-19 14:35:59 -04:00
trace_export.c tracing: Do not enable function event with enable 2012-05-10 15:55:43 -04:00
trace_functions.c tracing/function: Convert func_set_flag() to a switch statement 2012-07-17 10:15:04 -07:00
trace_functions_graph.c tracing: Remove NR_CPUS array from trace_iterator 2012-06-28 13:52:15 -04:00
trace_irqsoff.c Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core 2011-11-11 08:19:37 +01:00
trace_kdb.c
…
trace_kprobe.c perf/trace: Add ability to set a target task for events 2012-07-31 17:02:05 +02:00
trace_mmiotrace.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
trace_nop.c
…
trace_output.c tracing: Register the ftrace internal events during early boot 2012-06-14 15:22:14 -04:00
trace_output.h
…
trace_printk.c tracing: Add percpu buffers for trace_printk() 2012-04-23 21:15:55 -04:00
trace_probe.c tracing: Provide trace events interface for uprobes 2012-05-07 14:30:17 +02:00
trace_probe.h tracing: Provide trace events interface for uprobes 2012-05-07 14:30:17 +02:00
trace_sched_switch.c
…
trace_sched_wakeup.c tracing/latency: Fix header output for latency tracers 2011-11-07 13:48:35 -05:00
trace_selftest.c ftrace: Add self-tests for multiple function trace users 2011-05-18 19:24:51 -04:00
trace_selftest_dynamic.c ftrace: Add self-tests for multiple function trace users 2011-05-18 19:24:51 -04:00
trace_stack.c tracing: Have stack tracing set filtered functions at boot 2011-12-21 07:26:49 -05:00
trace_stat.c
…
trace_stat.h
…
trace_syscalls.c tracing/syscalls: Fix perf syscall tracing when syscall_nr == -1 2012-08-17 15:19:46 -04:00
trace_uprobe.c perf/trace: Add ability to set a target task for events 2012-07-31 17:02:05 +02:00