From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759109Ab2CWSRv (ORCPT ); Fri, 23 Mar 2012 14:17:51 -0400 Received: from smtp.outflux.net ([198.145.64.163]:51254 "EHLO smtp.outflux.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757786Ab2CWSRu (ORCPT ); Fri, 23 Mar 2012 14:17:50 -0400 Date: Fri, 23 Mar 2012 10:58:55 -0700 From: Kees Cook To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Darren Hart , Peter Zijlstra , Andrew Morton , Jiri Kosina , "Eric W. Biederman" , David Howells , "Serge E. Hallyn" , kernel-hardening@lists.openwall.com, spender@grsecurity.net Subject: [PATCH] futex: mark get_robust_list as deprecated Message-ID: <20120323175855.GA23668@www.outflux.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-HELO: www.outflux.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Notify get_robust_list users that the syscall is going away. Suggested-by: Thomas Gleixner Signed-off-by: Kees Cook --- kernel/futex.c | 2 ++ kernel/futex_compat.c | 2 ++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kernel/futex.c b/kernel/futex.c index 439440d..545d7a3 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2449,6 +2449,8 @@ SYSCALL_DEFINE3(get_robust_list, int, pid, if (!futex_cmpxchg_enabled) return -ENOSYS; + WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n"); + rcu_read_lock(); ret = -ESRCH; diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c index a9642d5..83e368b 100644 --- a/kernel/futex_compat.c +++ b/kernel/futex_compat.c @@ -142,6 +142,8 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, if (!futex_cmpxchg_enabled) return -ENOSYS; + WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n"); + rcu_read_lock(); ret = -ESRCH; -- 1.7.0.4 -- Kees Cook ChromeOS Security