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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 AD47CC433E6 for ; Mon, 11 Jan 2021 04:04:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C747225A9 for ; Mon, 11 Jan 2021 04:04:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726608AbhAKEEw (ORCPT ); Sun, 10 Jan 2021 23:04:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725824AbhAKEEw (ORCPT ); Sun, 10 Jan 2021 23:04:52 -0500 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30D06C061786 for ; Sun, 10 Jan 2021 20:04:12 -0800 (PST) Received: by mail-wr1-x42d.google.com with SMTP id r3so14943800wrt.2 for ; Sun, 10 Jan 2021 20:04:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=eU3GDSUl8WKPqUky0kIVYegMjSXXMNUC2IzxDqFe3IM=; b=mNyEc406s0bjNDcItrYNogiZEu+Re3YV05TTE6rbrZ1sjFmPmIB+ZNJsdxw4y0NmLO Z5REHVcq4xqV53HeHwineXI9ijslXlcds3Lb/PtgrEMlYzh7/dvFqldk35EUBXgR2UBO 0HbJdtIiAKCPb5ytlnmnY01vJwMAP6sm1oczeMghUNtVkrCSb/YOCLhCmbAOp5EDewUp 6Gmgksjqwk3WWmGVBd025BnXDTqdO6NWEhJsmuYUsqfluV4ebHBM8RuRQDxqLb7i+uA0 GxHckqNnaWYngoU+89UhpbRFCaeDQtGBTbB3mKFJ0jksYAE4mBM63180o/M+6D8aSHYM /WcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=eU3GDSUl8WKPqUky0kIVYegMjSXXMNUC2IzxDqFe3IM=; b=WGExOVJc9E9L3lCENewdM6ARzceg7eM0qEInU0/UnDFyXOjGOFe4jNThCZ5ADSRmGj hNFDRIQKSXQHqOlAr9DBZAVZLUmPyJ7tZwEZ1BO2wkJtLd5v/Z8hc0tUqbaK8uBjiOqZ PRuG7C3R37bKx9gJ+fuBYH6FrnW8mlmRu7p1M8bJqDHEywAaPONr17CEcCqkxjX1gATl eGoCUlkZ5pWa4BKvRndSjwohQS28pX8heMPGouFDnVO6p8ULJ30arE/3/uyvsKvo6N0+ AcYZiFld1L8tqMtvJ+usv0/DRoP/82tlvVSgAlHyv2x2rHw7ojm1ZPZtMuezBuCg549O hglA== X-Gm-Message-State: AOAM533dHalQ1pnBzMO56UNmtp51cZcB0XAXN0gyCITP6jQufoN29XmC kzh278q027p4v5RnotyEUJafDDsSSRc= X-Google-Smtp-Source: ABdhPJz31hTIlKqDStf+FrosKhatnaNa+sHjHAjnUr08h3XJUUtaP5SwqX9DXKN9sxhtCeFdE5oNCg== X-Received: by 2002:a5d:5387:: with SMTP id d7mr13963201wrv.417.1610337851019; Sun, 10 Jan 2021 20:04:11 -0800 (PST) Received: from localhost.localdomain ([85.255.237.6]) by smtp.gmail.com with ESMTPSA id o8sm22658061wrm.17.2021.01.10.20.04.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Jan 2021 20:04:10 -0800 (PST) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org Subject: [PATCH for-current 0/2] sqo files/mm fixes Date: Mon, 11 Jan 2021 04:00:29 +0000 Message-Id: X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Neither of issues is confirmed, but should be a good hardening in any case. Inefficiencies will be removed for-next. Pavel Begunkov (2): io_uring: drop mm and files after task_work_run io_uring: don't take files/mm for a dead task fs/io_uring.c | 7 +++++++ 1 file changed, 7 insertions(+) -- 2.24.0