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=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 C6F0DC433DB for ; Wed, 13 Jan 2021 16:55:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 73EE1233F6 for ; Wed, 13 Jan 2021 16:55:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726896AbhAMQzX (ORCPT ); Wed, 13 Jan 2021 11:55:23 -0500 Received: from mail.kernel.org ([198.145.29.99]:49810 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726661AbhAMQzW (ORCPT ); Wed, 13 Jan 2021 11:55:22 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E59E723383; Wed, 13 Jan 2021 16:54:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610556882; bh=4AXUNoo+/rH0a3wW1ydsbMHu/76qD5yUf0gV3c/8M6I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Byb+jeseziXWOEOjv3tAUznXxCPCJQaX7PXBnJvu4v3p2/cCNxLhbY8q8wkhB5V3+ DliiBPzHFvhCCd13Zczlub2DSd8vZzboDXt8LerN9kI7Pd3eQLeLv/lfxshMpaCcby hCjHnPvAcMDg262YFbUWBK3DVBYm0quF4dixpkC51uWsSzNicac5PjJDFbWTxL21fF dwnTrCqCW9J8xZoOMlR86M+/FxFrDVF2iqQ2T7X44T5dLWoSHn6r3Cdq685GpiF5ke OGKmRPWZNQOUjtz/MbBSB9lUTX1/PswA3SPH3d6AQh1qpm7QvbL1w9nJjGi/8cURi5 NPn3Eblizsxow== Date: Wed, 13 Jan 2021 11:54:40 -0500 From: Sasha Levin To: Pavel Begunkov Cc: gregkh@linuxfoundation.org, stable@vger.kernel.org, Jens Axboe Subject: Re: [PATCH 5.10-stable 1/3] io_uring: synchronise IOPOLL on task_submit fail Message-ID: <20210113165440.GS4035784@sasha-vm> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Jan 12, 2021 at 09:17:24PM +0000, Pavel Begunkov wrote: >commit 81b6d05ccad4f3d8a9dfb091fb46ad6978ee40e4 upstream > >io_req_task_submit() might be called for IOPOLL, do the fail path under >uring_lock to comply with IOPOLL synchronisation based solely on it. Just curious, why did the stable tag disappear from this backport? Otherwise, I've queued up the series, thanks! -- Thanks, Sasha