From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D94952DF130; Mon, 15 Sep 2025 09:37:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757929040; cv=none; b=Pv4oID/dy1DWh/zJPc4JX6idDl7tS1NC5c94qK3WecJPVK8eLm8zc7GRtdH8Fx+DCRoB8eyzfwxEVFCk/Fv1Xe8OzMaFk3TeLYohmBH8BXMIFSdGlmX+JGccWGsrSsuLfIFFpSuQh2+f6ByQUvV4vlZ8Tl9o8Q699tRCUCcIt28= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757929040; c=relaxed/simple; bh=feqERkl152005nHRlY1OYwqKLp/PPMp9wruSJrfeQA8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=GQ3bH9r8XPfojmVFrHmyAYkPeKcP2iY1CFbrdspKL5zMupiiN/pvFBQyUX1l7UcvLnAdyJ0QF8Zheu9eQdvUGoXDlx95l7Fzvs9vozwcarmmcYbagjzR+5+DRTLYXIs9gWkg+uUEJzEfDHWgGhifS3KaEUy2m4qzh/US3pR9ICM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 983EA1063; Mon, 15 Sep 2025 02:37:09 -0700 (PDT) Received: from [10.1.35.47] (unknown [10.1.35.47]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 702B13F694; Mon, 15 Sep 2025 02:37:15 -0700 (PDT) Message-ID: <5341c539-d03f-4a29-80bc-cd3deaab9a07@arm.com> Date: Mon, 15 Sep 2025 10:37:14 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 20/25] coresight: trbe: Request specific affinities for percpu IRQ Content-Language: en-GB To: Marc Zyngier , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org Cc: Thomas Gleixner , Mark Rutland , Will Deacon , "Rafael J. Wysocki" , Rob Herring , Saravana Kannan , Greg Kroah-Hartman , Sven Peter , Janne Grunau , James Clark References: <20250915085702.519996-1-maz@kernel.org> <20250915085702.519996-21-maz@kernel.org> From: Suzuki K Poulose In-Reply-To: <20250915085702.519996-21-maz@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 15/09/2025 09:56, Marc Zyngier wrote: > Let the TRBE driver request IRQs with an affinity mask matching > the TRBE implementation affinity. > > Signed-off-by: Marc Zyngier > --- > 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; Acked-by: Suzuki K Poulose