Received: by 2002:a05:6a10:1a4d:0:0:0:0 with SMTP id nk13csp1646654pxb; Wed, 9 Feb 2022 01:05:15 -0800 (PST) X-Google-Smtp-Source: ABdhPJwLl9La86dt7DoL1nUP0hTlL4vNwu6wCxB/MWiZIC0GQ11jYnyPMn5odDD75pJdyobU8OD2 X-Received: by 2002:a17:903:40ce:: with SMTP id t14mr1423411pld.160.1644397515066; Wed, 09 Feb 2022 01:05:15 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644397515; cv=none; d=google.com; s=arc-20160816; b=UTJ/3acV1eq7OFcR2ww/Nz7xQAMQ6WyydNLeMsQVCCsP8pK0+l7vuwGp7Gz/3LGusb Wt8V8zDavuy70pJa9eM9Ufkk+BjgG0/fhWDtOkuZMALIkhp3kqUKg+O7M+n74PCvv/mx pfwxQt2NB1jeSt1j7l9tllaowCOYsrrS8viusZAQBFQoSelxwW+LQBfqilXGD5e500QX 0SyuH3qZvmL/LUUoQ2JzqVKXvzJe7ctkt1dheK0AEojvxQrfS3Sd96MAl7WhsYtJKs9d UzVDzfYTNCSDp4t6AWDwsgr/iMdAQp7YcRBuSkb8OuJM4W/g09dn3ZRPgX3b1CoMvmyB b3CA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=BJJ/QmkZmKB9nC5m/e9706XmQamovGaywX2hjcu8BhM=; b=t8noAtjxrB/z4WJ8+p6SvILn1974Dl84tJxEUI7vbe5uxDEDPLvY/Ru9mNlybj5ACj Y2LGG8qPsm8YBGgtrypiK2RY5ezCJbusf0zgWzqxv9blQ/5lvDrjVXRkYsmQq38SI2Fn VF4kGV4tNNSEwd1uSA71GOgAB5K20TpIsUSalG5eOAkPJ3GLfVNt0qdoQUF5afMvrtUV Bl3TPAeLPGTy1FW0q4oLlSu4IqkMrO3TGacNdMRQ9X2Duf6q3AQ/FcCIFC0vaSZjhSe6 xa1k0XJutYYRfcIusEohohVftVmmWJlVx+oNsET4N55RRl1Ky9J9OGzA3ZIuxujBnDIL 6gNw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b="j/v+Y0RX"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=bytedance.com Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id o4si16764493plg.576.2022.02.09.01.05.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Feb 2022 01:05:15 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b="j/v+Y0RX"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=bytedance.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 45437E019252; Wed, 9 Feb 2022 00:50:33 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349021AbiBHIQ6 (ORCPT + 99 others); Tue, 8 Feb 2022 03:16:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243602AbiBHIQ5 (ORCPT ); Tue, 8 Feb 2022 03:16:57 -0500 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [IPv6:2607:f8b0:4864:20::b33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E6CAC03FEC0 for ; Tue, 8 Feb 2022 00:16:55 -0800 (PST) Received: by mail-yb1-xb33.google.com with SMTP id p5so47504114ybd.13 for ; Tue, 08 Feb 2022 00:16:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=BJJ/QmkZmKB9nC5m/e9706XmQamovGaywX2hjcu8BhM=; b=j/v+Y0RXSLg3KgaP2obPl90Z4S4zf/lHLTpZA7iKyGWQpWPW9zGbU3phv6GRvIOW84 uDjp6UOpjBl+R+8y6ZHrWovaw0RVlaJ0hyJuoXQZkt5WKDIGxgrPTSsHg1JFEIGX7w+d 0yORCZ9C+0OlXQv4bUwDjLkB/fbAV4oZxPWY+2h+49Bqh2D8kk63xXA1vFav6fkTLDoC 19zBZLOj2y4/BvJNDZXxdV2wxuRHdiySg39QiFh7ThUDNvIltVdy5PpbP5pU7DyjDiOo cSrmOnF23Nh0nrrcCmYWYoztyoD7256mEKhu+suzICNsngNAtCpAb3ig43gQs1+O+/28 JbtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=BJJ/QmkZmKB9nC5m/e9706XmQamovGaywX2hjcu8BhM=; b=q5xjp/naPyAWC8lnSzw/kUzHGp2UoV6EgGvmn8ufZ8vO/y/9MORL3ZQ328w43XXGB2 7hbeHZepAuLdiLMvvoEsA9MFzLXC4qrMBqsxEB/puTnvZuVkB6ukK0698Wk7yvczjZGJ +XH+2otbO3JBIX9Qdyhz6+DKEiWroZcPGntoU0EKvcqAlqJ//mTBbfObjnY9COhMocoI BeOMAoeVlLK8TrCjruZe0AH5okb0auwhZJHrnIzyhoToji21NldkNn2nvhLjt/mxfAq8 M3YDUhPSuey8fXYJT+oGhdleKfGmrRSRB6u+kHg7WyblZ8Hb8rupD3b0JpSCPuZpRAIp DUCA== X-Gm-Message-State: AOAM530p3pn/+cQViXQ3fCSKWF4KHH9ptGdmsON3tBo3Oip5JLEPv5uD ausvOY27+mQZUe/4ss0wTsRYO4Q0YySga6F7+DuGTg== X-Received: by 2002:a25:e406:: with SMTP id b6mr3429516ybh.703.1644308214394; Tue, 08 Feb 2022 00:16:54 -0800 (PST) MIME-Version: 1.0 References: <5f26643fc70b05f8455b60b99c30c17d635fa640.1644231910.git.christophe.leroy@csgroup.eu> In-Reply-To: <5f26643fc70b05f8455b60b99c30c17d635fa640.1644231910.git.christophe.leroy@csgroup.eu> From: Muchun Song Date: Tue, 8 Feb 2022 16:16:17 +0800 Message-ID: Subject: Re: [PATCH] mm: Remove usercopy_warn() To: Christophe Leroy Cc: Andrew Morton , LKML , Linux Memory Management List , Stephen Kitt , Kees Cook Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 7, 2022 at 7:16 PM Christophe Leroy wrote: > > Users of usercopy_warn() were removed by > commit 53944f171a89 ("mm: remove HARDENED_USERCOPY_FALLBACK") > > Remote it. > > Cc: Stephen Kitt > Cc: Kees Cook > Signed-off-by: Christophe Leroy Reviewed-by: Muchun Song Thanks.