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05 April 2024, 19:05:47 UTC
Revision 18e7a45af91acdde99d3aa1372cc40e1f8142f7b authored by Jiri Olsa on 03 January 2017, 14:24:54 UTC, committed by Ingo Molnar on 14 January 2017, 10:06:50 UTC 
perf/x86: Reject non sampling events with precise_ip
 
As Peter suggested [1] rejecting non sampling PEBS events,
because they dont make any sense and could cause bugs
in the NMI handler [2].

  [1] http://lkml.kernel.org/r/20170103094059.GC3093@worktop
  [2] http://lkml.kernel.org/r/1482931866-6018-3-git-send-email-jolsa@kernel.org

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vince@deater.net>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/20170103142454.GA26251@krava
Signed-off-by: Ingo Molnar <mingo@kernel.org>
1 parent 475113d
History
Tip revision: 18e7a45af91acdde99d3aa1372cc40e1f8142f7b authored by Jiri Olsa on 03 January 2017, 14:24:54 UTC
perf/x86: Reject non sampling events with precise_ip
Tip revision: 18e7a45
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