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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-15 01:58:38 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-15 01:58:38 +0200 |
| commit | 07c7016de7896493e95bef64fe913ac849509d6e (patch) | |
| tree | a4e2827002e649b2555b5575974b6c03d82e371a /arch/x86 | |
| parent | Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | perf/x86: Avoid exposing wrong/stale data in intel_pmu_lbr_read_32() (diff) | |
| download | linux-07c7016de7896493e95bef64fe913ac849509d6e.tar.xz linux-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/x86')
| -rw-r--r-- | arch/x86/events/intel/lbr.c | 3 |
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; |