[tip: irq/core] perf: arm_spe_pmu: Request specific affinities for per CPU interrupts

tip-bot2 for Marc Zyngier
2025-10-27T16:31:02Z

The following commit has been merged into the irq/core branch of tip:

Commit-ID: f8112d29ba992e51e4789844340f7da4bdca5fcb
Gitweb: https://git.kernel.org/tip/f8112d29ba992e51e4789844340f7da4bdca5fcb
Author: Marc Zyngier <maz@kernel.org>
AuthorDate: Mon, 20 Oct 2025 13:29:36 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 27 Oct 2025 17:16:36 +01:00

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 <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Will Deacon <will@kernel.org>
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 1460b02..87908f0 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;