[PATCH v2 20/25] coresight: trbe: Request specific affinities for percpu IRQ
From: Marc Zyngier <maz@kernel.org>
Date: 2025-09-15 08:57:18
Also in:
linux-acpi, lkml
Subsystem:
arm/coresight framework and drivers, hardware tracing facilities, the rest · Maintainers:
Suzuki K Poulose, Alexander Shishkin, Linus Torvalds
Let the TRBE driver request IRQs with an affinity mask matching the TRBE implementation affinity. Signed-off-by: Marc Zyngier <maz@kernel.org> --- drivers/hwtracing/coresight/coresight-trbe.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index c512f8faa6012..4a84a6bc2e8fc 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c@@ -1492,7 +1492,8 @@ static int arm_trbe_probe_irq(struct platform_device *pdev, if (!drvdata->handle) return -ENOMEM; - ret = request_percpu_irq(drvdata->irq, arm_trbe_irq_handler, DRVNAME, drvdata->handle); + ret = request_percpu_irq_affinity(drvdata->irq, arm_trbe_irq_handler, DRVNAME, + affinity, drvdata->handle); if (ret) { free_percpu(drvdata->handle); return ret;
--
2.39.2