perf/x86: Fix USER/KERNEL tagging of samples
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Wed, 20 Jun 2012 09:11:38 +0000 (11:11 +0200)
committerIngo Molnar <mingo@kernel.org>
Thu, 5 Jul 2012 18:59:07 +0000 (20:59 +0200)
commitce5c1fe9a9e059b5c58f0a7e2a3e687d0efac815
tree9405386325c5df9189705807c8fea36a55f2ad25
parent9e85a6f9dc231f3ed3c1dc1b12217505d970142a
perf/x86: Fix USER/KERNEL tagging of samples

Several perf interrupt handlers (PEBS,IBS,BTS) re-write regs->ip but
do not update the segment registers. So use an regs->ip based test
instead of an regs->cs/regs->flags based test.

Reported-and-tested-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-xxrt0a1zronm1sm36obwc2vy@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/cpu/perf_event.c