Message ID | 20210322121924.328621958@linuxfoundation.org |
---|---|
State | Superseded |
Headers | show
Return-Path: <stable-owner@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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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, 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 D3541C433DB for <stable@archiver.kernel.org>; Mon, 22 Mar 2021 12:50:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A23CE619CB for <stable@archiver.kernel.org>; Mon, 22 Mar 2021 12:50:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230139AbhCVMt1 (ORCPT <rfc822;stable@archiver.kernel.org>); Mon, 22 Mar 2021 08:49:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:41024 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232609AbhCVMrz (ORCPT <rfc822;stable@vger.kernel.org>); Mon, 22 Mar 2021 08:47:55 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 25B69619A6; Mon, 22 Mar 2021 12:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1616417031; bh=xTSQqhsYpOWOWXCv1XlAAQLhDge5dfgEzRmIuBFhNyg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qU9pTn8yVPDQvA+lFjhqSMRdG5/pkEDHAWyo3UtEMb96QFx33rBmhZVuPeTwbf1RZ TWMjcVgH/tT9PUB/D8nHC1D+e1EO8VW7KPDfa+0ckg2s1FPcnYYkgIjl6nHWTViEQc DXxPd6XLMF9zeRAxYpuBQhwJr7khQzf4rlPHmXz4= From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Johan Hovold <johan@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Sebastian Andrzej Siewior <bigeasy@linutronix.de> Subject: [PATCH 5.4 59/60] genirq: Disable interrupts for force threaded handlers Date: Mon, 22 Mar 2021 13:28:47 +0100 Message-Id: <20210322121924.328621958@linuxfoundation.org> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210322121922.372583154@linuxfoundation.org> References: <20210322121922.372583154@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <stable.vger.kernel.org> X-Mailing-List: stable@vger.kernel.org |
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--- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1026,11 +1026,15 @@ irq_forced_thread_fn(struct irq_desc *de irqreturn_t ret; local_bh_disable(); + if (!IS_ENABLED(CONFIG_PREEMPT_RT)) + local_irq_disable(); ret = action->thread_fn(action->irq, action->dev_id); if (ret == IRQ_HANDLED) atomic_inc(&desc->threads_handled); irq_finalize_oneshot(desc, action); + if (!IS_ENABLED(CONFIG_PREEMPT_RT)) + local_irq_enable(); local_bh_enable(); return ret; }