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- Properly clear perf event status tracking in the AMD perf event

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overflow handler
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Merge tag 'perf_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:

 - Properly clear perf event status tracking in the AMD perf event
   overflow handler

* tag 'perf_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/amd/core: Always clear status for idx
This commit is contained in:
Linus Torvalds 2023-03-26 09:13:35 -07:00
parent f6cdaeb08b 263f5ecaf7
commit 974fc94336
1 changed files with 1 additions and 2 deletions
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3
arch/x86/events/amd/core.c
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@ -923,6 +923,7 @@ static int amd_pmu_v2_handle_irq(struct pt_regs *regs)
/* Event overflow */
handled++;
status &= ~mask;
perf_sample_data_init(&data, 0, hwc->last_period);
if (!x86_perf_event_set_period(event))
@ -933,8 +934,6 @@ static int amd_pmu_v2_handle_irq(struct pt_regs *regs)
if (perf_event_overflow(event, &data, regs))
x86_pmu_stop(event, 0);
status &= ~mask;
}
/*