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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 45FCCC4361B for ; Tue, 15 Dec 2020 03:15:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2375A2247F for ; Tue, 15 Dec 2020 03:15:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726592AbgLODPA (ORCPT ); Mon, 14 Dec 2020 22:15:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:42748 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728092AbgLODOn (ORCPT ); Mon, 14 Dec 2020 22:14:43 -0500 Date: Mon, 14 Dec 2020 19:14:02 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608002042; bh=ru6ryEcr6nrj8Qs4TUJItGo6IS8Sr9pM0CkAvcz0KJU=; h=From:To:Subject:In-Reply-To:From; b=qa8uabiQbRKpNWp0LA2jYIXJO2+dxI/A1MDleT61RbpoS5nmMykRQWzWWzTM8lvhE 2/nZi9TAoXJgVkXuIYMCynV5qqv9N7tvfaSyEBNqEar6Obe15EYv36jOrgvYfwIa50 okU4uwh+fetamEe1c4MbndZRe/FOYK/buWkj32MU= From: Andrew Morton To: aarcange@redhat.com, akpm@linux-foundation.org, linux-mm@kvack.org, mm-commits@vger.kernel.org, peterx@redhat.com, rppt@linux.vnet.ibm.com, torvalds@linux-foundation.org Subject: [patch 182/200] userfaultfd/selftests: always dump something in modes Message-ID: <20201215031402.8uJvm2D5f%akpm@linux-foundation.org> In-Reply-To: <20201214190237.a17b70ae14f129e2dca3d204@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Peter Xu Subject: userfaultfd/selftests: always dump something in modes Patch series "userfaultfd: selftests: Small fixes". Some very trivial fixes that I kept locally to userfaultfd selftest program. This patch (of 3): BOUNCE_POLL is a special bit that if cleared it means "READ" instead. Dump that too otherwise we'll see tests with empty modes. Link: https://lkml.kernel.org/r/20201208024709.7701-1-peterx@redhat.com Link: https://lkml.kernel.org/r/20201208024709.7701-2-peterx@redhat.com Signed-off-by: Peter Xu Cc: Andrea Arcangeli Cc: Mike Rapoport Signed-off-by: Andrew Morton --- tools/testing/selftests/vm/userfaultfd.c | 2 ++ 1 file changed, 2 insertions(+) --- a/tools/testing/selftests/vm/userfaultfd.c~userfaultfd-selftests-always-dump-something-in-modes +++ a/tools/testing/selftests/vm/userfaultfd.c @@ -1291,6 +1291,8 @@ static int userfaultfd_stress(void) printf(" ver"); if (bounces & BOUNCE_POLL) printf(" poll"); + else + printf(" read"); printf(", "); fflush(stdout); _