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 36B43C433E0 for ; Wed, 24 Jun 2020 22:50:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CD862073E for ; Wed, 24 Jun 2020 22:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593039056; bh=P5ZTgqOEqubrFlz1VMbmsQWDYNF2ojtgUJjGOh04Vgw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=C22YTgJ4lPhBgtod2nG1YEHWjdw8UmyF4A9quFm7AMJ7HVmiawPrPWvQhCVoYGSO/ Hs0qDnBD83PlLJpsa0/Q3hMDjK/Nrqf7MNwXWbUXPQt2NoI9PtCgr+Hv3cxUlZxwr4 QqetnYXtFUIyhhwBe1ui6VBVvz+iLczijWRMQDTs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388443AbgFXWuy (ORCPT ); Wed, 24 Jun 2020 18:50:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:43218 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387974AbgFXWux (ORCPT ); Wed, 24 Jun 2020 18:50:53 -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 8B85920768; Wed, 24 Jun 2020 22:50:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593039052; bh=P5ZTgqOEqubrFlz1VMbmsQWDYNF2ojtgUJjGOh04Vgw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oWJHmbUzGOqAdjDNIFb/jx+hH7zLw7ubm1LlBXunFAOkAK1vF21dICPuP+1GewUSC OtTrJ91ZvD1IIyWC4jP6RJ82RWcdMWkJ1sBuW1zm9nmwiq7O+se1mBR/t90Po0RkDh VSCUILMYE94VZ78MXYv5Y16/eN/HLkWXE0oBmNfE= From: Andy Lutomirski To: X86 ML , LKML Cc: Sasha Levin , Andy Lutomirski Subject: [PATCH 1/3] selftests/x86/fsgsbase: Fix a comment in the ptrace_write_gsbase test Date: Wed, 24 Jun 2020 15:50:48 -0700 Message-Id: <901034a91a40169ec84f1f699ea86704dff762e4.1593038991.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 A comment was unclear. Fix it. Fixes: 5e7ec8578fa3 ("selftests/x86/fsgsbase: Test ptracer-induced GS base write with FSGSBASE") Signed-off-by: Andy Lutomirski --- tools/testing/selftests/x86/fsgsbase.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/x86/fsgsbase.c b/tools/testing/selftests/x86/fsgsbase.c index 9a4349813a30..f47495d2f070 100644 --- a/tools/testing/selftests/x86/fsgsbase.c +++ b/tools/testing/selftests/x86/fsgsbase.c @@ -498,7 +498,8 @@ static void test_ptrace_write_gsbase(void) * base would zero the selector. On newer kernels, * this behavior has changed -- poking the base * changes only the base and, if FSGSBASE is not - * available, this may not effect. + * available, this may have no effect once the tracee + * is resumed. */ if (gs == 0) printf("\tNote: this is expected behavior on older kernels.\n"); -- 2.25.4