From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 38EFB3446CC; Wed, 12 Nov 2025 18:31:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762972311; cv=none; b=OGXiAk+272Esa5dmDKTRLT3/Ym5cZwDzRt52cS6bargpFghoCOXxKLFaK4tuAlK7P0NIRSaXduFg55IHPaGJSeY9jar1DXZU0MDq9yJ6ZKEi9JSbUnbUjk4E09YBebs7YXHNO+RtIfY7+rPwownfIk6nwEDev9rEfJnlolK4+0k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762972311; c=relaxed/simple; bh=c+vRB7NWuolbdBM15vFkTImHzQFUev/AwoZL8eGL19E=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rmu1FiJNUlwiwVe1mlra3dT7wb16VdXmapTBX0O0EXWli56xYJDUDvFd7bjQlDiDjM3weBckvypKFuDQuSV6OtzfAGWg6ykRCdOjy+Etf24GQOXObPTuIGup687p+YsewN6bCyGZiSfmk1ogdRIVzAvPnoduab6GxHZrpK6BPn8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4d6Bmx1B9TzJ46C6; Thu, 13 Nov 2025 02:31:13 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 0EF1B1402F1; Thu, 13 Nov 2025 02:31:46 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Wed, 12 Nov 2025 18:31:45 +0000 Date: Wed, 12 Nov 2025 18:31:44 +0000 From: Jonathan Cameron To: Marc Zyngier CC: , , , Thomas Gleixner , "Mark Rutland" , Will Deacon , "Rafael J. Wysocki" , Rob Herring , "Saravana Kannan" , Greg Kroah-Hartman , Sven Peter , Janne Grunau , Suzuki K Poulose , James Clark , Jinjie Ruan , "Alexandru Elisei" Subject: Re: [PATCH v4 19/26] perf: arm_spe_pmu: Request specific affinities for percpu IRQ Message-ID: <20251112183144.00005d06@huawei.com> In-Reply-To: <20251020122944.3074811-20-maz@kernel.org> References: <20251020122944.3074811-1-maz@kernel.org> <20251020122944.3074811-20-maz@kernel.org> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml500009.china.huawei.com (7.191.174.84) To dubpeml100005.china.huawei.com (7.214.146.113) On Mon, 20 Oct 2025 13:29:36 +0100 Marc Zyngier wrote: > Let the SPE driver request IRQs with an affinity mask matching > the SPE implementation affinity. > > Tested-by: Will Deacon > Signed-off-by: Marc Zyngier Reviewed-by: Jonathan Cameron > --- > 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 1460b02d20e8b..87908f0712c0c 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; >