linux-kernel - [tip: irq/core] coresight: trbe: Request specific affinities for per CPU interrupts

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Message-ID: <176158265876.2601451.9726565488830970827.tip-bot2@tip-bot2>
Date: Mon, 27 Oct 2025 16:30:58 -0000
From: "tip-bot2 for Marc Zyngier" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Marc Zyngier <maz@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
 Will Deacon <will@...nel.org>, Suzuki K Poulose <suzuki.poulose@....com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: irq/core] coresight: trbe: Request specific affinities for per
 CPU interrupts

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

Commit-ID:     4cdf4813f528cdadfc3778fed6b7783cfe1eb75a
Gitweb:        https://git.kernel.org/tip/4cdf4813f528cdadfc3778fed6b7783cfe1eb75a
Author:        Marc Zyngier <maz@...nel.org>
AuthorDate:    Mon, 20 Oct 2025 13:29:37 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Mon, 27 Oct 2025 17:16:36 +01:00

coresight: trbe: Request specific affinities for per CPU interrupts

Let the TRBE driver request interrupts with an affinity mask matching the
TRBE implementation affinity.

Signed-off-by: Marc Zyngier <maz@...nel.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Tested-by: Will Deacon <will@...nel.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@....com>
Link: https://patch.msgid.link/20251020122944.3074811-21-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 8f17160..9f64f46 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1494,7 +1494,8 @@ 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;