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authorLinus Torvalds <torvalds@linux-foundation.org>2017-04-14 16:58:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-04-14 16:58:38 -0700
commit07c7016de7896493e95bef64fe913ac849509d6e (patch)
treea4e2827002e649b2555b5575974b6c03d82e371a /arch
parentd295917a47e99fe43f1efb14261612e67120e4bb (diff)
parentf2200ac311302fcdca6556fd0c5127eab6c65a3e (diff)
downloadlwn-07c7016de7896493e95bef64fe913ac849509d6e.tar.gz
lwn-07c7016de7896493e95bef64fe913ac849509d6e.zip
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner: "Two small fixes for perf: - the move to support cross arch annotation introduced per arch initialization requirements, fullfill them for s/390 (Christian Borntraeger) - add the missing initialization to the LBR entries to avoid exposing random or stale data" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86: Avoid exposing wrong/stale data in intel_pmu_lbr_read_32() perf annotate s390: Fix perf annotate error -95 (4.10 regression)
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/events/intel/lbr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 81b321ace8e0..f924629836a8 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -507,6 +507,9 @@ static void intel_pmu_lbr_read_32(struct cpu_hw_events *cpuc)
cpuc->lbr_entries[i].to = msr_lastbranch.to;
cpuc->lbr_entries[i].mispred = 0;
cpuc->lbr_entries[i].predicted = 0;
+ cpuc->lbr_entries[i].in_tx = 0;
+ cpuc->lbr_entries[i].abort = 0;
+ cpuc->lbr_entries[i].cycles = 0;
cpuc->lbr_entries[i].reserved = 0;
}
cpuc->lbr_stack.nr = i;