From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2AC44CAC581 for ; Mon, 8 Sep 2025 19:49:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ZXGyUI5o+F1EHh9kXSuQQ/+t/U7f3/TfSrJgKB+I3Rw=; b=10xDxV/KbFhNlH4+BvC8b+pp0e 1AAj16sw1+S+/J0FTCZEiTfLJquKoB+dapC7jUdt7ptHKoHLJWuPC8Y7GKwuxF500l1JTr32VTU9q nKKuoq7hJcDquIjCnE8LKaBo5FbwnOXlptHHK3yUEvd5BfHUgiCgzz30MnfamheNexQNXD+LhrbIe 3R6Oe88T1qRVuC8St81li3pZpJ+QRSs1uwP8Dwm/6+UYKEMA8dmxHMeMKMwLLqsqiP8KseErBdQ/F dDt4er0/L/tzdJS3dfHtzDCEvnL1nTT3OIGvSK/5NY6F9Smxsyy6ey4Q7trdEfp7po/jIvla01PV4 bJeRpXYA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvhrr-0000000200e-1fSG; Mon, 08 Sep 2025 19:49:35 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvemW-00000000lOa-3V64 for linux-arm-kernel@lists.infradead.org; Mon, 08 Sep 2025 16:31:54 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id A8F4744A5A; Mon, 8 Sep 2025 16:31:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8AEFAC113D0; Mon, 8 Sep 2025 16:31:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757349112; bh=fWLFQJQCjHkUmgzJrwoVr3TR8ormeAz7AFVrQDQpANU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q4NCKVjt4aEI/Ymf/1sLgZyoe86T9ex/Kj9p4I6Z0B4AFpcvdcO6hM+A8rRNbH8EZ RmoQcV6fK8rTsBiysO5qtvGmiFNmowwqmkxpW7dMavzQA2jEgm7/LIbRBYs4YpTTU0 fobJOXMy6OVoEgJ3HZTbA/Rxz/Tlhd7j3eoMVXcxg0hB/ZnXl9qa9DSvPU1czpJHrw cd1DvYIIa88TqAb0PaEmdsd2tstM9MhINwHEWoitXAl1uQ6X/lLKnIc3yKw45Ak12o Oxsa5aJfi8DKAQVBRe163FRCHh+0Hlh9O1zDOF5KHEs0E3QESaAfrHjC9YQhD7p0FL sBVpFohL2ym6w== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1uvemU-00000004NTm-2rYr; Mon, 08 Sep 2025 16:31:50 +0000 From: Marc Zyngier To: 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 , Suzuki K Poulose , James Clark Subject: [PATCH 19/25] perf: arm_spe_pmu: Request specific affinities for percpu IRQ Date: Mon, 8 Sep 2025 17:31:21 +0100 Message-Id: <20250908163127.2462948-20-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250908163127.2462948-1-maz@kernel.org> References: <20250908163127.2462948-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, tglx@linutronix.de, mark.rutland@arm.com, will@kernel.org, rafael@kernel.org, robh@kernel.org, saravanak@google.com, gregkh@linuxfoundation.org, sven@kernel.org, j@jannau.net, suzuki.poulose@arm.com, james.clark@linaro.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250908_093152_919608_B8B7821C X-CRM114-Status: GOOD ( 14.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Let the SPE driver request IRQs with an affinity mask matching the SPE implementation affinity. Signed-off-by: Marc Zyngier --- 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