From f8112d29ba992e51e4789844340f7da4bdca5fcb Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Mon, 20 Oct 2025 13:29:36 +0100 Subject: [PATCH] perf: arm_spe_pmu: Request specific affinities for per CPU interrupts Let the SPE driver request interrupts with an affinity mask matching the SPE implementation affinity. Signed-off-by: Marc Zyngier Signed-off-by: Thomas Gleixner Tested-by: Will Deacon Link: https://patch.msgid.link/20251020122944.3074811-20-maz@kernel.org --- drivers/perf/arm_spe_pmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index 1460b02d20e8b..87908f0712c0c 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -1259,8 +1259,8 @@ static int arm_spe_pmu_dev_init(struct arm_spe_pmu *spe_pmu) return -ENXIO; /* Request our PPIs (note that the IRQ is still disabled) */ - ret = request_percpu_irq(spe_pmu->irq, arm_spe_pmu_irq_handler, DRVNAME, - spe_pmu->handle); + ret = request_percpu_irq_affinity(spe_pmu->irq, arm_spe_pmu_irq_handler, + DRVNAME, mask, spe_pmu->handle); if (ret) return ret; -- 2.47.3