From nobody Thu Oct 2 16:59:06 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 EBE022F6581; Mon, 15 Sep 2025 08:57:17 +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=1757926638; cv=none; b=dQIYGSLC5UUJkcsNgqJ1ydxBRtLqO1ImI2LM94r7PwMMHaxpYAf/JXmccLl8s9JSsAK+qpoEw7iyIAxJRO8mMJIFLVe8IdjQe2P3+AE6zCQr0Jh5n3Af9hZManyiLeViGuXelNUGMACApqBdeEvU2Pr4N9uav/cA7+MOPpzSS/s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757926638; c=relaxed/simple; bh=fWLFQJQCjHkUmgzJrwoVr3TR8ormeAz7AFVrQDQpANU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bnKyWbPyAYhfTwoaCHPmQdPdP/YhgE6+7kjhhkTcVYxqetxesNIGTh08aZAYHU13swopmSgHoqtGZ/8YouQDkLIOnCHEgWoNK6fnDtSzKThseG3zOYVJa1QIorBEq8tXL6by5JkNwbZjtHxzvyznvYpQo6IzdHRHI/xyicjtGrs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VnA1dcGA; 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="VnA1dcGA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CCA1BC4CEFD; Mon, 15 Sep 2025 08:57:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757926637; bh=fWLFQJQCjHkUmgzJrwoVr3TR8ormeAz7AFVrQDQpANU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VnA1dcGAWiexuI6w+IKEAW0AKhpD9wxz1i1f364cFyecz5nyEiN4ldn27bBvVJ5nx 37Axx2muW1VsAJcbyYk6Tq0H51RmxyvA16KSPdQZjeIwptOTef6KXVUK+hgwFcoaJK lA5OKaSwXlLE8YikuVy1sT7RK7xfh+2eHORK3Qlrl6VziHrUg1FXZoDktD78Ab7GLH VLVRwMkeO+RZJM9TbILn6GfFyT8s3nZkjW7kqYbcG2E9P/PRnWs2aHUkVlLIgor88u LwntpESCRIchcUHsagNxhEgBf/DpCWuHYPWQ6yLgjsaLN1CXMC910tMXRogVtohhDS MJmje0oFtxD0w== 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 1uy51Q-00000006IHP-09bv; Mon, 15 Sep 2025 08:57:16 +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 v2 19/25] perf: arm_spe_pmu: Request specific affinities for percpu IRQ Date: Mon, 15 Sep 2025 09:56:56 +0100 Message-Id: <20250915085702.519996-20-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250915085702.519996-1-maz@kernel.org> References: <20250915085702.519996-1-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 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. 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 *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 2.39.2