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=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 F3D40C43464 for ; Fri, 18 Sep 2020 02:24:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7EA322211 for ; Fri, 18 Sep 2020 02:24:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600395851; bh=R+FcVsk4idUsCIqnF7xfPVNJV0Y4c5vyctAqVvnmUIM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Yx3ZxZkn84uECuCkw6mLBNbdxi+p7vDRM139AiW6xb/pIzCB1mDD89Gw3I9X9N6Pb CswIkeiWZ2NhSGSRdGwhx/Xk8KHV8N1KQE2ZSn0zNzPmUlttNG9cMc/sMjQiqFcaKU xGevIDTtu2FTFU88sVZy1pmYttYIXS3LnO6oa/A0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729688AbgIRCYL (ORCPT ); Thu, 17 Sep 2020 22:24:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:46378 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729435AbgIRCQl (ORCPT ); Thu, 17 Sep 2020 22:16:41 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 82330235F7; Fri, 18 Sep 2020 02:16:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600395401; bh=R+FcVsk4idUsCIqnF7xfPVNJV0Y4c5vyctAqVvnmUIM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SFPFK9ul9HgG415kdQodR3eqRsF0Cw53YcOqevcQQsV/dnzqO3dl8D6m0ZndnTa5F 1T3BNt0eGGFx7rcLSLtdnr1avEaIlo9OGAuLA9Cfr7P9erYCNLsSu7VGXN+Ezc7E5I /sN5GwQT6Wt0x6hAc3puKJXpLhFZjasV8jR4yIUk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Andy Lutomirski , Thomas Gleixner , Sasha Levin , linux-api@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 89/90] selftests/x86/syscall_nt: Clear weird flags after each test Date: Thu, 17 Sep 2020 22:14:54 -0400 Message-Id: <20200918021455.2067301-89-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200918021455.2067301-1-sashal@kernel.org> References: <20200918021455.2067301-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Lutomirski [ Upstream commit a61fa2799ef9bf6c4f54cf7295036577cececc72 ] Clear the weird flags before logging to improve strace output -- logging results while, say, TF is set does no one any favors. Signed-off-by: Andy Lutomirski Signed-off-by: Thomas Gleixner Link: https://lkml.kernel.org/r/907bfa5a42d4475b8245e18b67a04b13ca51ffdb.1593191971.git.luto@kernel.org Signed-off-by: Sasha Levin --- tools/testing/selftests/x86/syscall_nt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c index 43fcab367fb0a..74e6b3fc2d09e 100644 --- a/tools/testing/selftests/x86/syscall_nt.c +++ b/tools/testing/selftests/x86/syscall_nt.c @@ -67,6 +67,7 @@ static void do_it(unsigned long extraflags) set_eflags(get_eflags() | extraflags); syscall(SYS_getpid); flags = get_eflags(); + set_eflags(X86_EFLAGS_IF | X86_EFLAGS_FIXED); if ((flags & extraflags) == extraflags) { printf("[OK]\tThe syscall worked and flags are still set\n"); } else { -- 2.25.1