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=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 82EF5C43463 for ; Fri, 18 Sep 2020 02:14:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3623E238E6 for ; Fri, 18 Sep 2020 02:14:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600395299; bh=R+FcVsk4idUsCIqnF7xfPVNJV0Y4c5vyctAqVvnmUIM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kZZgZ0SKz2RMRoNwM+85eL6W4qG0ul1TWNNi8bgJ6frdQYFC/v/y4mghCfoA8anaV hgtCgmYik+5RqVfNswf+CJ7FgCOFYkeIrLnpK1l4ULMlvhpjkco3j+dvEKnS7HjAm1 TthLG7748SKLKeo7PRtdeBsTczBu9fFuiJzumgl4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727693AbgIRCO5 (ORCPT ); Thu, 17 Sep 2020 22:14:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:43314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729144AbgIRCOw (ORCPT ); Thu, 17 Sep 2020 22:14:52 -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 1114F239E5; Fri, 18 Sep 2020 02:14:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600395291; bh=R+FcVsk4idUsCIqnF7xfPVNJV0Y4c5vyctAqVvnmUIM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vjyT4DPgFow9GSHlgowJwfJB2/kQ5lW62XUWrLV6S2mz0gdf48YR31Z0iLaaYSjMx iBneAZGH6sr08M78elBMhbpnzLs0resomt8d47zSucyOtRkWuZR2AapqmtggxWVT8Q sbs3lD1tfJT9XybyDOEg6JWI2fJtoL7J4nq5aKtk= 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 4.14 125/127] selftests/x86/syscall_nt: Clear weird flags after each test Date: Thu, 17 Sep 2020 22:12:18 -0400 Message-Id: <20200918021220.2066485-125-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200918021220.2066485-1-sashal@kernel.org> References: <20200918021220.2066485-1-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