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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT 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 4CFDBC43381 for ; Wed, 20 Mar 2019 22:00:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E187218AE for ; Wed, 20 Mar 2019 22:00:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="GnQuZWVe"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="RhIHNaSN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727605AbfCTWAX (ORCPT ); Wed, 20 Mar 2019 18:00:23 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:60318 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727510AbfCTWAX (ORCPT ); Wed, 20 Mar 2019 18:00:23 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 07CBA602A7; Wed, 20 Mar 2019 22:00:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1553119222; bh=iGZ2ZcEvvos2NuXB+HS+6tPJr07c+N8IB05qgnVAIuI=; h=From:To:Cc:Subject:Date:From; b=GnQuZWVeFas8A/rXY10cHWcRJqPZGtTg57i2LkY9s9Tib9taQIlMP+Wiprs3KMpQc TPJ3LeNlUrueJqSxUX/BkyPmQvYnQZhcha1JPEVlCbx75PL5ejL180P5uiariqXWYA Ch/NzIblxR0d/cNTTfgufcpURzs1AFN2QZpB5DCc= Received: from psodagud-linux1.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: psodagud@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3EB7F602A7; Wed, 20 Mar 2019 22:00:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1553119221; bh=iGZ2ZcEvvos2NuXB+HS+6tPJr07c+N8IB05qgnVAIuI=; h=From:To:Cc:Subject:Date:From; b=RhIHNaSNNqBdEk7/7vITdcFvcrO6lKbI174SXqToxmis0iygFJ9ZdnFNmIsR3UvDa Agzj6d5cwtZcYZ1TEblRgd8nVbBr9J1gaAUMCOKQYR6xL5REQy6EcmOkT9qPeLyGPO 7J5w1lj2R72e0noaFolnVm8m5b0i/pNPPbO66Yng= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3EB7F602A7 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=psodagud@codeaurora.org From: Prasad Sodagudi To: tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, psodagud@codeaurora.org Subject: [PATCH] genirq: call cancel_work_sync from irq_set_affinity_notifier Date: Wed, 20 Mar 2019 15:00:11 -0700 Message-Id: <1553119211-29761-1-git-send-email-psodagud@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When ever notification of IRQ affinity changes, call cancel_work_sync from irq_set_affinity_notifier to cancel all pending works to avoid work list corruption. Signed-off-by: Prasad Sodagudi --- kernel/irq/manage.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 9ec34a2..da8b2ee 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -356,6 +356,9 @@ static void irq_affinity_notify(struct work_struct *work) desc->affinity_notify = notify; raw_spin_unlock_irqrestore(&desc->lock, flags); + if (!notify && old_notify) + cancel_work_sync(&old_notify->work); + if (old_notify) kref_put(&old_notify->kref, old_notify->release); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project