From nobody Tue Dec 16 21:47:51 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9EA9B3203B6; Mon, 20 Oct 2025 12:30:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963415; cv=none; b=ahQ+SiEuBc/jhMs2wg7b30bnU9XNxd0PO9aaxIarUt0glRo7oChKgcP7AAl/RGAJ86EKKa+NNck4fuZdSJeBwxBZ2t0rRlMq/mNQkUX8/1M7wT/TrQgNUMgW0jrFpP2+iBnr8gYQTK0YrRwxeHt1shNitbHAmGIgKiVMwR7ZgGc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963415; c=relaxed/simple; bh=Z4H5BsUqrowzozLwQNmNb98DvlFEdBawk1MycZ0axyk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VPHZIaoefpaN7lCHzgjaNI59xgXFnW0EPadgduMDuR4Xqb2P7ShTfXA0Dvd6FEOK6ztdREM0nG9lCvnTa75EKvH6hUaJC06PgYJ/dtAKUE2bRmGgf65zNH9JwBZyvE4fas3d4D55eSVOVN26pSpmzBPZltpOu9eyR+nk7iPBWqs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=booUqgsr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="booUqgsr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1442CC113D0; Mon, 20 Oct 2025 12:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760963415; bh=Z4H5BsUqrowzozLwQNmNb98DvlFEdBawk1MycZ0axyk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=booUqgsrcMGJd9IyHOLMkyyzapma72ctsEsDKJAvFgNtx+gYb3cAcj4bmqfrmxu1F Ba22RtLX1HtxOI8H7kEuSFZ6oMwHpOU2ovTUmraQaLCE+jSSpgsTPxqRFR5tQB18M2 nTjbU/LFugGslOBPJjo2Tec4zHuGb0C4vVaybgVmMPWaRBOV2KFPyJ2CYdS5IVXeQi AICja+9wm8hfjWJvxVFf22OYp6WnspIQUA/hHmYIR6MAZEtfVw41E+GhNbCYaN2U1w aOpJj9G98PPRqxXyaBQQkE8e2fXOHGc9S+GAPbKToByEGKBQaMpB1fiEGEBZHMZT0n /6lVXODGKNZuw== 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 1vAp1h-0000000FUu2-0bcz; Mon, 20 Oct 2025 12:30:13 +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 , Jonathan Cameron , Jinjie Ruan , Alexandru Elisei Subject: [PATCH v4 19/26] perf: arm_spe_pmu: Request specific affinities for percpu IRQ Date: Mon, 20 Oct 2025 13:29:36 +0100 Message-ID: <20251020122944.3074811-20-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251020122944.3074811-1-maz@kernel.org> References: <20251020122944.3074811-1-maz@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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, jonathan.cameron@huawei.com, ruanjinjie@huawei.com, alexandru.elisei@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Content-Type: text/plain; charset="utf-8" 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 *s= pe_pmu) return -ENXIO; =20 /* Request our PPIs (note that the IRQ is still disabled) */ - ret =3D request_percpu_irq(spe_pmu->irq, arm_spe_pmu_irq_handler, DRVNAME, - spe_pmu->handle); + ret =3D request_percpu_irq_affinity(spe_pmu->irq, arm_spe_pmu_irq_handler, + DRVNAME, mask, spe_pmu->handle); if (ret) return ret; =20 --=20 2.47.3