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author | David S. Miller <davem@davemloft.net> | 2019-04-17 11:26:25 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2019-04-17 11:26:25 -0700 |
commit | 6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b (patch) | |
tree | 0a7976054052e793da782c2b7ec34eccfbf66449 /arch/x86/events/core.c | |
parent | Merge branch 's390-next' (diff) | |
parent | Merge tag 'for-linus-5.1-2' of git://github.com/cminyard/linux-ipmi (diff) | |
download | linux-dev-6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b.tar.xz linux-dev-6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflict resolution of af_smc.c from Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/events/core.c')
-rw-r--r-- | arch/x86/events/core.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index e2b1447192a8..81911e11a15d 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1349,8 +1349,9 @@ void x86_pmu_stop(struct perf_event *event, int flags) struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct hw_perf_event *hwc = &event->hw; - if (__test_and_clear_bit(hwc->idx, cpuc->active_mask)) { + if (test_bit(hwc->idx, cpuc->active_mask)) { x86_pmu.disable(event); + __clear_bit(hwc->idx, cpuc->active_mask); cpuc->events[hwc->idx] = NULL; WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED); hwc->state |= PERF_HES_STOPPED; @@ -1447,16 +1448,8 @@ int x86_pmu_handle_irq(struct pt_regs *regs) apic_write(APIC_LVTPC, APIC_DM_NMI); for (idx = 0; idx < x86_pmu.num_counters; idx++) { - if (!test_bit(idx, cpuc->active_mask)) { - /* - * Though we deactivated the counter some cpus - * might still deliver spurious interrupts still - * in flight. Catch them: - */ - if (__test_and_clear_bit(idx, cpuc->running)) - handled++; + if (!test_bit(idx, cpuc->active_mask)) continue; - } event = cpuc->events[idx]; |