From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934364AbbJHPkh (ORCPT ); Thu, 8 Oct 2015 11:40:37 -0400 Received: from mail.skyhub.de ([78.46.96.112]:32995 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933645AbbJHPkg (ORCPT ); Thu, 8 Oct 2015 11:40:36 -0400 Date: Thu, 8 Oct 2015 17:41:11 +0200 From: Borislav Petkov To: Andy Lutomirski Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Brian Gerst , Denys Vlasenko , Linus Torvalds Subject: Re: [PATCH v2 14/36] x86/entry/64/compat: Disable SYSENTER and SYSCALL32 entries Message-ID: <20151008154111.GB24052@nazgul.tnic> References: <8d6e84bf651519289dc532dcc230adfabbd2a3eb.1444091584.git.luto@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <8d6e84bf651519289dc532dcc230adfabbd2a3eb.1444091584.git.luto@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 05, 2015 at 05:48:02PM -0700, Andy Lutomirski wrote: > We've disabled the vDSO helpers to call them, so turn off the > entries entirely (temporarily) in preparation for cleaning them up. > > Signed-off-by: Andy Lutomirski > --- > arch/x86/entry/entry_64_compat.S | 13 +++++++++++++ > 1 file changed, 13 insertions(+) What do we say for the case when someone bisects, lands at this patch and, as Murphy would generally do it, has a reproducer which is calling SYSENTER/SYSCALL32? Tough luck? -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --