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Message-Id: <20250908163127.2462948-20-maz@kernel.org>
Date: Mon, 8 Sep 2025 17:31:21 +0100
From: Marc Zyngier <maz@...nel.org>
To: linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-acpi@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Mark Rutland <mark.rutland@....com>,
Will Deacon <will@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Rob Herring <robh@...nel.org>,
Saravana Kannan <saravanak@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Sven Peter <sven@...nel.org>,
Janne Grunau <j@...nau.net>,
Suzuki K Poulose <suzuki.poulose@....com>,
James Clark <james.clark@...aro.org>
Subject: [PATCH 19/25] perf: arm_spe_pmu: Request specific affinities for percpu IRQ
Let the SPE driver request IRQs with an affinity mask matching
the SPE implementation affinity.
Signed-off-by: Marc Zyngier <maz@...nel.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 a1c86a1f21427..f8763f0771776 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -1183,8 +1183,8 @@ 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;
--
2.39.2
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