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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 8A3E8C43461 for ; Mon, 12 Apr 2021 23:28:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 61E2061220 for ; Mon, 12 Apr 2021 23:28:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344136AbhDLX2T (ORCPT ); Mon, 12 Apr 2021 19:28:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:40133 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244732AbhDLX2S (ORCPT ); Mon, 12 Apr 2021 19:28:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618270079; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=B3MciDovAET7AdKaJb34X6uAEc0eUn8r5vV5LysAEI0=; b=Fz1YrF9QH8bw1O9dsL3Biwn7wRVd9ycfDrSFrSVjxNPLrd6MLrUDcl6rNulzV5VfDRTICw 9pDi9qxEYYGmacx6cE+Nrr11b9wPBChP3qzf7eFsPVxT5bj+v9BmrhiYjngAbHEX0z3AAu PNbulcSPdfoKYBoI6iO6tMgIPKYeUYY= Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-350-bmmwlZyEMv2gGs497nqK8w-1; Mon, 12 Apr 2021 19:27:56 -0400 X-MC-Unique: bmmwlZyEMv2gGs497nqK8w-1 Received: by mail-qk1-f199.google.com with SMTP id 79so3491958qkm.20 for ; Mon, 12 Apr 2021 16:27:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=B3MciDovAET7AdKaJb34X6uAEc0eUn8r5vV5LysAEI0=; b=a6ux8mIiqE9d6DsrB8CPYMij/FmBknmbo5VFEcykp6JeLM806W4HC7olTFYEo9oN42 aGtDnHRm7njyUr2mSQOXgqdCMv0GlVg6QkKn23B+tUXvvosDLlol1Wx3zQ6U6s3OMi4x TsKePn95BfjgZDIOsw5wmUvE1S8aBKbxbLJ4mQiMZaf6g6YIUPwcvWBKhEHWVJ5Fs3N4 5bPyCs3wwshUkuvt4TuAZ7KTkYrm48/I/Tz6E7ps++PoNE4Ycl8QE4ezvJb2zviwBcw/ pLglnOpkAtJJoPJmDju5gzEmXotJCrwNXalN4A3PLu4pu+q5utK80hpFBOqc4Cduc1UG pxdQ== X-Gm-Message-State: AOAM531ap86kK0KHF3fTO+tj5ynbtMzulPULxZmnUtabAvKIXCqw2wS7 dGMhNrH/CHl6o3CIb1g8O1UJZQeZ27WwrPFHJC+PKJC5B4qO0QduhOGBJ2GSchRiY2t4rJK9sp2 TCVDw5nPXNs4WN3bs0FR2Vvup X-Received: by 2002:ac8:4899:: with SMTP id i25mr15885739qtq.59.1618270075672; Mon, 12 Apr 2021 16:27:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy9oKrYFJovLvCdWOPw1lzMa5WybRJob4vZYvb0D1NdJvR0XacKd6O0BbBXdl435m22pa3oug== X-Received: by 2002:ac8:4899:: with SMTP id i25mr15885710qtq.59.1618270075445; Mon, 12 Apr 2021 16:27:55 -0700 (PDT) Received: from xz-x1.redhat.com (bras-base-toroon474qw-grc-88-174-93-75-154.dsl.bell.ca. [174.93.75.154]) by smtp.gmail.com with ESMTPSA id y29sm8958925qtm.13.2021.04.12.16.27.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Apr 2021 16:27:54 -0700 (PDT) From: Peter Xu To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrea Arcangeli , peterx@redhat.com, Andrew Morton , Mike Rapoport , Axel Rasmussen Subject: [PATCH v2 0/5] userfaultfd/selftests: A few cleanups Date: Mon, 12 Apr 2021 19:27:48 -0400 Message-Id: <20210412232753.1012412-1-peterx@redhat.com> X-Mailer: git-send-email 2.26.2 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v2:=0D - rebase to v5.12-rc7-mmots-2021-04-11-20-49=0D - collect r-bs from Axel=0D =0D I wanted to cleanup userfaultfd.c fault handling for a long time. If it's n= ot=0D cleaned, when the new code grows the file it'll also grow the size that nee= ds=0D to be cleaned... This is my attempt to cleanup the userfaultfd selftest on= =0D fault handling, to use an err() macro instead of either fprintf() or perror= ()=0D then another exit() call.=0D =0D The huge cleanup is done in the last patch. The first 4 patches are some o= ther=0D standalone cleanups for the same file, so I put them together.=0D =0D Please review, thanks.=0D =0D Peter Xu (5):=0D userfaultfd/selftests: Use user mode only=0D userfaultfd/selftests: Remove the time() check on delayed uffd=0D userfaultfd/selftests: Dropping VERIFY check in locking_thread=0D userfaultfd/selftests: Only dump counts if mode enabled=0D userfaultfd/selftests: Unify error handling=0D =0D tools/testing/selftests/vm/userfaultfd.c | 649 ++++++++---------------=0D 1 file changed, 208 insertions(+), 441 deletions(-)=0D =0D -- =0D 2.26.2=0D =0D