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authorJiri Olsa <jolsa@redhat.com>2019-06-16 16:13:13 +0200
committerIngo Molnar <mingo@kernel.org>2019-06-17 12:36:24 +0200
commitd0e1a507bdc761a14906f03399d933ea639a1756 (patch)
treeb2dd4f5a42d064fc0767dcb0aa7954408d681165 /tools/perf/util
parentperf/x86/intel: Use ->is_visible callback for default group (diff)
downloadlinux-dev-d0e1a507bdc761a14906f03399d933ea639a1756.tar.xz
linux-dev-d0e1a507bdc761a14906f03399d933ea639a1756.zip
perf/x86/intel: Disable check_msr for real HW
Tom Vaden reported false failure of the check_msr() function, because some servers can do POST tracing and enable LBR tracing during bootup. Kan confirmed that check_msr patch was to fix a bug report in guest, so it's ok to disable it for real HW. Reported-by: Tom Vaden <tom.vaden@hpe.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Tom Vaden <tom.vaden@hpe.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Liang Kan <kan.liang@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20190616141313.GD2500@krava [ Readability edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
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