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[2001:8b0:10b:1231::1]) by mx.google.com with ESMTPS id z187si1333482jab.56.2019.06.07.06.35.56 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 07 Jun 2019 06:35:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of peterz@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) client-ip=2001:8b0:10b:1231::1; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=merlin.20170209 header.b=E234jJcA; spf=pass (google.com: best guess record for domain of peterz@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) smtp.mailfrom=peterz@infradead.org 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) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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!