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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D8BADC433E0 for ; Fri, 26 Jun 2020 17:21:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD2C52065F for ; Fri, 26 Jun 2020 17:21:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593192089; bh=+OoI5HO5jec01TiPSARTaK/vibaKquih75HHyaat+zo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gTstW0Iut7jUUL/UBAYmxUspa6GpYPvWI7VVIDF9fPB06kINjaTWQR5fKXeiGyr2O HlXbjKWcN3E6BAbCFQt1c++5txdH54HpQzHdedmuISu3FY45T/DSAVR8JP18sG1baT iClJGuv89lnTm/MBD81XhDZnFi7detiWMdBO9Qb0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728370AbgFZRV2 (ORCPT ); Fri, 26 Jun 2020 13:21:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:39944 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726381AbgFZRVX (ORCPT ); Fri, 26 Jun 2020 13:21:23 -0400 Received: from localhost (c-67-180-165-146.hsd1.ca.comcast.net [67.180.165.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7446120823; Fri, 26 Jun 2020 17:21:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593192083; bh=+OoI5HO5jec01TiPSARTaK/vibaKquih75HHyaat+zo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H+u5bmyC/WoHUHYRd7qLu7rHCXOADNouAEKHXurNm/t/6K0jy4ofab4A/8+OrrYP/ kvT+zTgfXpMlj4OJo9kyANSJG+Fx/DonmgNUMIAUwIUuinIEclamwBPY5+JNC2gq5o WrwlcqqCongJHi1JIzhPrfAWoZocNLBLHbNrIVX4= From: Andy Lutomirski To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Andrew Cooper , Juergen Gross , Andy Lutomirski Subject: [PATCH 5/6] selftests/x86/syscall_nt: Clear weird flags after each test Date: Fri, 26 Jun 2020 10:21:15 -0700 Message-Id: <907bfa5a42d4475b8245e18b67a04b13ca51ffdb.1593191971.git.luto@kernel.org> X-Mailer: git-send-email 2.25.4 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 f060534b66a0..5fc82b9cebed 100644 --- a/tools/testing/selftests/x86/syscall_nt.c +++ b/tools/testing/selftests/x86/syscall_nt.c @@ -59,6 +59,7 @@ 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 { -- 2.25.4