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From: Ben Hutchings <ben@decadent.org.uk>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
CC: akpm@linux-foundation.org, "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        "Thomas Gleixner" <tglx@linutronix.de>,
        "Ingo Molnar" <mingo@kernel.org>,
        "Linus Torvalds" <torvalds@linux-foundation.org>,
        adrian.hunter@intel.com, "Stephane Eranian" <eranian@google.com>,
        "Jiri Olsa" <jolsa@redhat.com>,
        "Arnaldo Carvalho de Melo" <acme@redhat.com>,
        "Vince Weaver" <vincent.weaver@maine.edu>, kan.liang@intel.com,
        namhyung@kernel.org,
        "Alexander Shishkin" <alexander.shishkin@linux.intel.com>
Date: Wed, 27 Apr 2016 01:02:21 +0200
Message-ID: <lsq.1461711741.192853287@decadent.org.uk>
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Subject: [PATCH 3.16 074/217] perf/x86/intel: Add definition for PT PMI bit
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3.16.35-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Stephane Eranian <eranian@google.com>

commit 5690ae28e472d25e330ad0c637a5cea3fc39fb32 upstream.

This patch adds a definition for GLOBAL_OVFL_STATUS bit 55
which is used with the Processor Trace (PT) feature.

Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: adrian.hunter@intel.com
Cc: kan.liang@intel.com
Cc: namhyung@kernel.org
Link: http://lkml.kernel.org/r/1457034642-21837-2-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -151,6 +151,8 @@ struct x86_pmu_capability {
  */
 #define INTEL_PMC_IDX_FIXED_BTS				(INTEL_PMC_IDX_FIXED + 16)
 
+#define GLOBAL_STATUS_TRACE_TOPAPMI			BIT_ULL(55)
+
 /*
  * IBS cpuid feature detection
  */