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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 255BCC43461 for ; Mon, 31 Aug 2020 14:30:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF77F208CA for ; Mon, 31 Aug 2020 14:30:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="J6Ke5RC+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727940AbgHaOaG (ORCPT ); Mon, 31 Aug 2020 10:30:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726968AbgHaOaF (ORCPT ); Mon, 31 Aug 2020 10:30:05 -0400 Received: from mail-ej1-x642.google.com (mail-ej1-x642.google.com [IPv6:2a00:1450:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4330C061573; Mon, 31 Aug 2020 07:30:04 -0700 (PDT) Received: by mail-ej1-x642.google.com with SMTP id m22so8745658eje.10; Mon, 31 Aug 2020 07:30:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=GsUtzJFOnvjviCxW2IjbStQvBGLGUPcyBXj6Cdtywt8=; b=J6Ke5RC+m3g1nSBnNqPyMtumBUnXEruJri8HNZkz86liYmnV2q0HRxyDgJeF+6v9T9 4n4azliF11Ez2eEObZXMmtHD0FmbHx+7N9posUPy/zlOozzyLtbSvOE+nM60IREfw7FW vI8Gg+dpC5KuXnXLBPmhXTFIaGsIG/vw9uq17gZ2ErjTWF89qH0PxVDrj201wh911bSK QQlUSKnj6SwHECIMTl8fYRlABaTQX2wDevBhlW07ycZX5nIRg8jFqJI/x/9Uvo1P3EAC tJ2KDKRGz7qplxNHR0+T3l4czwNFQZl2Pp3D4j7Rk71sQZxqBcsYhJIdqd69xMR/8wXp 5UAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=GsUtzJFOnvjviCxW2IjbStQvBGLGUPcyBXj6Cdtywt8=; b=UgszEvaSTc994HsML/7lUajcAQpTxvV+MKScjOzpvF5qi4JNVpBfwXCjkdjpxMaknf AjuwVutjY63+oSnjuwjuUYLiujZS2ov9vHtXu5U5mvw+IclJy+IVLWGWijZoPRRUvmBk zGTDSi0i3fqItnD70tSvkHC1HD9FQcZvrS/r9LLu1LGM4Tv4DpYSdOW1fov1D/p30e4c wq0QO6/bOIU1ecQILzLAhUM+2+Z1Qe3OOPjQ484sffBIg2rwgqGUVm03gQYpEHBjkfvr 016TnaBPhwf9cqNbaXIfCUOfDbJAOJ6+jm9Hh2Vq+HqGcg3EZ2z/Rkzr3zCUK678gWbg FXeg== X-Gm-Message-State: AOAM530L6AHIr0gch2yl1HbLYQW+eBbnUpASIlJ5kKBqAbmkNrw0HNuk kjbMDuQ7xVWQw1xxXZ1Faef+8YS9QWF5pLdl65A= X-Google-Smtp-Source: ABdhPJyjPMgqhNVhFiUA4I3hTIZTzHOuaM4kG5ojHStRHxESukNTTW1UGb+Q1yubT4UmTTT2wlJTEVjFJ92AR9+xRdY= X-Received: by 2002:a17:906:656:: with SMTP id t22mr1363085ejb.392.1598884203426; Mon, 31 Aug 2020 07:30:03 -0700 (PDT) MIME-Version: 1.0 References: <20200828141344.2277088-1-alinde@google.com> In-Reply-To: <20200828141344.2277088-1-alinde@google.com> From: Akinobu Mita Date: Mon, 31 Aug 2020 23:29:52 +0900 Message-ID: Subject: Re: [PATCH v2 0/3] add fault injection to user memory access To: albert.linde@gmail.com Cc: Andrew Morton , bp@alien8.de, Ingo Molnar , Jonathan Corbet , Thomas Gleixner , Arnd Bergmann , "H. Peter Anvin" , Alexander Viro , glider@google.com, andreyknvl@google.com, Dmitry Vyukov , elver@google.com, linux-doc@vger.kernel.org, LKML , Linux-Arch , x86@kernel.org, Albert van der Linde Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2020=E5=B9=B48=E6=9C=8828=E6=97=A5(=E9=87=91) 23:14 : > > From: Albert van der Linde > > The goal of this series is to improve testing of fault-tolerance in > usages of user memory access functions, by adding support for fault > injection. > > The first patch adds failure injection capability for usercopy > functions. The second changes usercopy functions to use this new failure > capability (copy_from_user, ...). The third patch adds > get/put/clear_user failures to x86. This series looks good to me. Reviewed-by: Akinobu Mita