Since pmu::del() is always called under perf_pmu_disable(), the block conditional on cpuc->enabled is dead.
Signed-off-by: Peter Zijlstra (Intel) <[email protected]> --- arch/x86/events/intel/lbr.c | 6 ------ 1 file changed, 6 deletions(-) --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -467,12 +467,6 @@ void intel_pmu_lbr_del(struct perf_event cpuc->lbr_users--; WARN_ON_ONCE(cpuc->lbr_users < 0); perf_sched_cb_dec(event->ctx->pmu); - - if (cpuc->enabled && !cpuc->lbr_users) { - __intel_pmu_lbr_disable(); - /* avoid stale pointer */ - cpuc->lbr_context = NULL; - } } void intel_pmu_lbr_enable_all(bool pmi)
