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 1D6C2C433E0 for ; Fri, 26 Jun 2020 17:21:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E73BF2065F for ; Fri, 26 Jun 2020 17:21:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593192092; bh=rNBkOdFFjPU7AEXE+DgR/v/daMsve5cpZy8JC6DX1ys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QCrBamXSgp7BPeGmy8pvlLj6Sy0tzwQeV4l0n5tv4uxAv7eCXRcP7ykBSGQYrJLZ9 vtgepPT0pu5YIs6SD5N+JbZ06nLaeoQzvFjn7XfkwZFlwgEvFtaALBxKM1j/7vz0dk axlCOFjO2LpPZVNCY4QFlxpXXvd/rpH+M7WT776Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728326AbgFZRV1 (ORCPT ); Fri, 26 Jun 2020 13:21:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:39906 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726955AbgFZRVX (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 A356B20707; Fri, 26 Jun 2020 17:21:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593192082; bh=rNBkOdFFjPU7AEXE+DgR/v/daMsve5cpZy8JC6DX1ys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F/3LHwJ3oEtznMDU+nFKghpHgcn1o/ctkRWpzVk0e2RcXTKC2IGupaWfr30FKDKYR oqVZ4piA5WSzuqdPxDftuzZE8iFILLEDZ2eJzE7YxlWCVJUQQSEyotPkUo0hxg9jpn JMpr5XrI2m5gIZg/3ooHlR66IEK71tS0fjrnTk3s= From: Andy Lutomirski To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Andrew Cooper , Juergen Gross , Andy Lutomirski Subject: [PATCH 4/6] selftests/x86/syscall_nt: Add more flag combinations Date: Fri, 26 Jun 2020 10:21:14 -0700 Message-Id: <12924e2fe2c5826568b7fc9436d85ca7f5eb1743.1593191971.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 Add EFLAGS.AC to the mix. Signed-off-by: Andy Lutomirski --- tools/testing/selftests/x86/syscall_nt.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c index 02309a195041..f060534b66a0 100644 --- a/tools/testing/selftests/x86/syscall_nt.c +++ b/tools/testing/selftests/x86/syscall_nt.c @@ -73,6 +73,12 @@ int main(void) printf("[RUN]\tSet NT and issue a syscall\n"); do_it(X86_EFLAGS_NT); + printf("[RUN]\tSet AC and issue a syscall\n"); + do_it(X86_EFLAGS_AC); + + printf("[RUN]\tSet NT|AC and issue a syscall\n"); + do_it(X86_EFLAGS_NT | X86_EFLAGS_AC); + /* * Now try it again with TF set -- TF forces returns via IRET in all * cases except non-ptregs-using 64-bit full fast path syscalls. @@ -80,8 +86,17 @@ int main(void) sethandler(SIGTRAP, sigtrap, 0); + printf("[RUN]\tSet TF and issue a syscall\n"); + do_it(X86_EFLAGS_TF); + printf("[RUN]\tSet NT|TF and issue a syscall\n"); do_it(X86_EFLAGS_NT | X86_EFLAGS_TF); + printf("[RUN]\tSet AC|TF and issue a syscall\n"); + do_it(X86_EFLAGS_AC | X86_EFLAGS_TF); + + printf("[RUN]\tSet NT|AC|TF and issue a syscall\n"); + do_it(X86_EFLAGS_NT | X86_EFLAGS_AC | X86_EFLAGS_TF); + return nerrs == 0 ? 0 : 1; } -- 2.25.4