hulk inclusion category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC0AJF CVE: NA -------------------------------- This reverts commit 4fa4f2aef6549f05e766b8bf46978ed659875b5f. This patch makes perf stat failed, so revert it. Fixes: 88ec7eedbbd2 ("perf/x86: Fix low freqency setting issue") Signed-off-by: Luo Gengkun <luogengkun2@huawei.com> --- arch/x86/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index c1a93fcd0b7a..ad0932f84094 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -623,7 +623,7 @@ int x86_pmu_hw_config(struct perf_event *event) if (event->attr.type == event->pmu->type) event->hw.config |= event->attr.config & X86_RAW_EVENT_MASK; - if (!event->attr.freq && x86_pmu.limit_period) { + if (event->attr.sample_period && x86_pmu.limit_period) { s64 left = event->attr.sample_period; x86_pmu.limit_period(event, &left); if (left > event->attr.sample_period) -- 2.34.1