From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758388AbZEDQX1 (ORCPT ); Mon, 4 May 2009 12:23:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757754AbZEDQW6 (ORCPT ); Mon, 4 May 2009 12:22:58 -0400 Received: from 170-13.widener.edu ([147.31.170.13]:38676 "EHLO bender.cs.widener.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756875AbZEDQW6 (ORCPT ); Mon, 4 May 2009 12:22:58 -0400 X-Greylist: delayed 1083 seconds by postgrey-1.27 at vger.kernel.org; Mon, 04 May 2009 12:22:56 EDT From: Samuel Bronson To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, Samuel Bronson Subject: [PATCH] vm86: Make it clear that the default return value is actually VM86_SIGNAL ... not just any old zero! Date: Mon, 4 May 2009 13:06:10 -0400 Message-Id: <1241456770-2054-1-git-send-email-naesten@gmail.com> X-Mailer: git-send-email 1.6.3.rc3.24.g6ffd5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The magic 0 tripped me up in trying to extend the vm86(2) manpage to actually explain vm86()'s interface -- my greps for VM86_SIGNAL came up fruitless. Signed-off-by: Samuel Bronson --- I'm not on the list, so please CC: me in any responses. Thanks! If anyone wants to take a look at the WIP manpage, see: http://repo.or.cz/w/man-pages/vm86.git?a=blob;f=man2/vm86.2;hb=HEAD --- arch/x86/kernel/vm86_32.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index d7ac84e..b8035a0 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -318,9 +318,9 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk } /* - * Save old state, set default return value (%ax) to 0 + * Save old state, set default return value (%ax) to 0 (VM86_SIGNAL) */ - info->regs32->ax = 0; + info->regs32->ax = VM86_SIGNAL; tsk->thread.saved_sp0 = tsk->thread.sp0; tsk->thread.saved_fs = info->regs32->fs; tsk->thread.saved_gs = get_user_gs(info->regs32); -- 1.6.3.rc3.24.g6ffd5