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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=unavailable 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 C5527C2BCA1 for ; Fri, 7 Jun 2019 13:36:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F366212F5 for ; Fri, 7 Jun 2019 13:36:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="E234jJcA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729096AbfFGNgD (ORCPT ); Fri, 7 Jun 2019 09:36:03 -0400 Received: from merlin.infradead.org ([205.233.59.134]:46432 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729061AbfFGNgD (ORCPT ); Fri, 7 Jun 2019 09:36:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; 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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=lVEgFqucFox4g1IviFAgPH+wq2tolwksp9dr8CFQhYQ=; b=E234jJcArQlGrReDPRTDlQHQw /51XA81tWbNBlNGxjegBAG8xYGT10JhKdGURd6yq4uCPjy6al62Aq3+i5MqZmTBQWE2Jxd9aEgq/b wJN1kFrziNof1cTWsCOA+Kro46LMQL8l0tTMmo20PPlvS2PC9TbtRQUqklSoDNjY5uEhSQLS9nXow R0foGNit83P0n3Jp6w76ssk7IkHaJl4axBNuofWSbBG9wzs4ALgYpEcy6+azMIrtkFq5rBdT76H7y IVGo9zhzexKE60uh1YvVJPfp2JQ2kTZPq0+6O6pfvn828eCNoKFIUwfGg9DdWWPruXIHZExArLGYS XtVrEgXIg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hZF22-0001XU-1L; Fri, 07 Jun 2019 13:35:46 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id E5C8D20216EFA; Fri, 7 Jun 2019 15:35:41 +0200 (CEST) Date: Fri, 7 Jun 2019 15:35:41 +0200 From: Peter Zijlstra To: Jens Axboe Cc: Qian Cai , akpm@linux-foundation.org, hch@lst.de, oleg@redhat.com, gkohli@codeaurora.org, mingo@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] block: fix a crash in do_task_dead() Message-ID: <20190607133541.GJ3436@hirez.programming.kicks-ass.net> References: <1559161526-618-1-git-send-email-cai@lca.pw> <20190530080358.GG2623@hirez.programming.kicks-ass.net> <82e88482-1b53-9423-baad-484312957e48@kernel.dk> <20190603123705.GB3419@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 05, 2019 at 09:04:02AM -0600, Jens Axboe wrote: > How about the following plan - if folks are happy with this sched patch, > we can queue it up for 5.3. Once that is in, I'll kill the block change > that special cases the polled task wakeup. For 5.2, we go with Oleg's > patch for the swap case. OK, works for me. I'll go write a proper patch. Thanks!