Message ID | 20201210194042.967177918@linutronix.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=O1tB=FO=lists.xenproject.org=xen-devel-bounces@kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63C49C3526A for <xen-devel@archiver.kernel.org>; Thu, 10 Dec 2020 19:42:44 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0F6DD23D23 for <xen-devel@archiver.kernel.org>; Thu, 10 Dec 2020 19:42:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F6DD23D23 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.49701.87909 (Exim 4.92) (envelope-from <xen-devel-bounces@lists.xenproject.org>) id 1knRph-0007dr-N6; Thu, 10 Dec 2020 19:42:33 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 49701.87909; Thu, 10 Dec 2020 19:42:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from <xen-devel-bounces@lists.xenproject.org>) id 1knRph-0007de-Gd; Thu, 10 Dec 2020 19:42:33 +0000 Received: by outflank-mailman (input) for mailman id 49701; Thu, 10 Dec 2020 19:42:32 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from <SRS0=hbU1=FO=linutronix.de=tglx@srs-us1.protection.inumbo.net>) id 1knRpg-0007NY-HN for xen-devel@lists.xenproject.org; Thu, 10 Dec 2020 19:42:32 +0000 Received: from galois.linutronix.de (unknown [2a0a:51c0:0:12e:550::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 2184410b-89a9-439f-b41e-9435301c810d; Thu, 10 Dec 2020 19:42:20 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion <xen-devel.lists.xenproject.org> List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe> List-Post: <mailto:xen-devel@lists.xenproject.org> List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help> List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe> Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org> X-Inumbo-ID: 2184410b-89a9-439f-b41e-9435301c810d Message-Id: <20201210194042.967177918@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1607629339; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=gYsowh6i1mqGXNg6FrEIlf+Px9WkTuZjYPGZA4AoQf4=; b=gQRR2ovC6G1wG0/hHfvHA26mBklNiMZtkvMBYZWjgQshlf7o+cIXoD11qJjLT48W0LHgJA 5Zvfg1News0uQs48erbM5kmDtHengxfmuqG2DKGnaIJ04vg1FJ7jnVpZXG8cNwMy19OeFP iPFhPWqfd87RfMeVK3ZgF11+LhI8jQI6rRQAPId6pBGrjdbz5+dRwipziIghpyTp0+nYcu /rMQolvJykCdajiQdhpg5/73/PAnO6jEv3XXq/Rv9w9yxTGzkAvSFeWdlWRlX1S05CmH1R pxA14gUUPV2LrG7qMC56g75TqBVjQeX4kqlFmRI413CglTnFsrbWRi0PstpOew== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1607629339; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=gYsowh6i1mqGXNg6FrEIlf+Px9WkTuZjYPGZA4AoQf4=; b=rxr0RqK5G71Mdyjh0pmNkfya7BLBal4i+pBNw5B4iIspa3uaIBOFXW7QFkpv0Ae/Yof/mz NtSLBAk6jBeGNuDQ== Date: Thu, 10 Dec 2020 20:25:40 +0100 From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: Peter Zijlstra <peterz@infradead.org>, Marc Zyngier <maz@kernel.org>, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Helge Deller <deller@gmx.de>, afzal mohammed <afzal.mohd.ma@gmail.com>, linux-parisc@vger.kernel.org, Russell King <linux@armlinux.org.uk>, linux-arm-kernel@lists.infradead.org, Mark Rutland <mark.rutland@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Christian Borntraeger <borntraeger@de.ibm.com>, Heiko Carstens <hca@linux.ibm.com>, linux-s390@vger.kernel.org, Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>, Chris Wilson <chris@chris-wilson.co.uk>, Wambui Karuga <wambui.karugax@gmail.com>, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>, Linus Walleij <linus.walleij@linaro.org>, linux-gpio@vger.kernel.org, Lee Jones <lee.jones@linaro.org>, Jon Mason <jdmason@kudzu.us>, Dave Jiang <dave.jiang@intel.com>, Allen Hubbe <allenbh@gmail.com>, linux-ntb@googlegroups.com, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Michal Simek <michal.simek@xilinx.com>, linux-pci@vger.kernel.org, Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>, Hou Zhiqiang <Zhiqiang.Hou@nxp.com>, Tariq Toukan <tariqt@nvidia.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>, Leon Romanovsky <leon@kernel.org>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, xen-devel@lists.xenproject.org Subject: [patch 04/30] genirq: Provide irq_get_effective_affinity() References: <20201210192536.118432146@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-transfer-encoding: 8-bit |
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genirq: Treewide hunt for irq descriptor abuse and assorted fixes
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--- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -907,6 +907,13 @@ struct cpumask *irq_data_get_effective_a } #endif +static inline struct cpumask *irq_get_effective_affinity_mask(unsigned int irq) +{ + struct irq_data *d = irq_get_irq_data(irq); + + return d ? irq_data_get_effective_affinity_mask(d) : NULL; +} + unsigned int arch_dynirq_lower_bound(unsigned int from); int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
Provide an accessor to the effective interrupt affinity mask. Going to be used to replace open coded fiddling with the irq descriptor. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/irq.h | 7 +++++++ 1 file changed, 7 insertions(+)