From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758688Ab2FPDOX (ORCPT ); Fri, 15 Jun 2012 23:14:23 -0400 Received: from terminus.zytor.com ([198.137.202.10]:50921 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755486Ab2FPDOV (ORCPT ); Fri, 15 Jun 2012 23:14:21 -0400 Date: Fri, 15 Jun 2012 20:14:10 -0700 From: tip-bot for Suresh Siddha Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, suresh.b.siddha@intel.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, suresh.b.siddha@intel.com, tglx@linutronix.de In-Reply-To: <1339722435.3475.57.camel@sbsiddha-desk.sc.intel.com> References: <1339722435.3475.57.camel@sbsiddha-desk.sc.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/urgent] x86, compat: Use test_thread_flag(TIF_IA32) in compat signal delivery Git-Commit-ID: 0b91f45b23cb73ce11acdc3cf4c6efd4441e3b3e X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Fri, 15 Jun 2012 20:14:15 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 0b91f45b23cb73ce11acdc3cf4c6efd4441e3b3e Gitweb: http://git.kernel.org/tip/0b91f45b23cb73ce11acdc3cf4c6efd4441e3b3e Author: Suresh Siddha AuthorDate: Thu, 14 Jun 2012 18:07:15 -0700 Committer: H. Peter Anvin CommitDate: Thu, 14 Jun 2012 18:16:04 -0700 x86, compat: Use test_thread_flag(TIF_IA32) in compat signal delivery Signal delivery compat path may not have the 'TS_COMPAT' flag (that flag indicates how we entered the kernel). So use test_thread_flag(TIF_IA32) instead of is_ia32_task(): one of the functions of TIF_IA32 is just what kind of signal frame we want. Signed-off-by: Suresh Siddha Link: http://lkml.kernel.org/r/1339722435.3475.57.camel@sbsiddha-desk.sc.intel.com Cc: stable@kernel.org # v3.4 Signed-off-by: H. Peter Anvin --- arch/x86/ia32/ia32_signal.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index daeca56..673ac9b 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -38,7 +38,7 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { int err = 0; - bool ia32 = is_ia32_task(); + bool ia32 = test_thread_flag(TIF_IA32); if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t))) return -EFAULT;