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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2012-06-20 11:11:38 +0200
committerIngo Molnar <mingo@kernel.org>2012-07-05 20:59:07 +0200
commitce5c1fe9a9e059b5c58f0a7e2a3e687d0efac815 (patch)
tree9405386325c5df9189705807c8fea36a55f2ad25 /kernel/trace
parent9e85a6f9dc231f3ed3c1dc1b12217505d970142a (diff)
downloadlinux-ce5c1fe9a9e059b5c58f0a7e2a3e687d0efac815.tar.bz2
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>
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