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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AA72C433FE for ; Fri, 11 Feb 2022 06:34:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245672AbiBKGeg (ORCPT ); Fri, 11 Feb 2022 01:34:36 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:35724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244565AbiBKGee (ORCPT ); Fri, 11 Feb 2022 01:34:34 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA4FBE56; Thu, 10 Feb 2022 22:34:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=wmT7NdpIIaZIZ4RJN8MppwRUgJ7HrGVSC4APn17UeMY=; b=29czAqJRGXG9/3d5XsS3Qn5xPf msIroF9kN5cnhhZVwC1VEpMYxztAzu1w/QoGaORO9AXhwrQe3iWqmu1mjrO96HH2IGf+78L9I1Y/e uZLVt2DNRlf69kviZF0Ma3rimb3FJwKlx7aNodiI0EmLI13WwMokZVpM7Bgvib9L+I1yVXpIf/0bQ N5qs8K2lzHviDpdOG8zebJc+reU+Ku7krq5ulnVBeYjeZipiricP1UYVBV15nj+oSC6+J9VzCgUuV t7+rQ1LJz66kZsUg2SDPckzpjChVwEs6GM33uzdUlnsWXdKnTrwZPt+IPiXkxYStH55wVdTBp5wDG J4g6aMEQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nIPVo-005zmJ-3R; Fri, 11 Feb 2022 06:34:32 +0000 Date: Thu, 10 Feb 2022 22:34:32 -0800 From: Christoph Hellwig To: Sebastian Andrzej Siewior Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Peter Zijlstra , Thomas Gleixner , Greg Kroah-Hartman , Andrew Morton Subject: Re: [PATCH REPOST] irq_poll: Add local_bh_disable() in cpu_dead notifier Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 10, 2022 at 01:33:39PM +0100, Sebastian Andrzej Siewior wrote: > You need to handle the pending softirqs. If you don't handle them > immediately or in a deterministic say (like on IRQ exit) then they will > be handled at a random point. Yes. Just like regular interrupts.