linux-kernel - [PATCH 065/139] futex: Revert "futex: Mark get_robust

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Message-Id: <1362062689-2567-66-git-send-email-luis.henriques@canonical.com>
Date:	Thu, 28 Feb 2013 14:43:35 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Richard Weinberger <richard@....at>, akpm@...ux-foundation.org,
	paul.gortmaker@...driver.com, davej@...hat.com,
	keescook@...omium.org, ebiederm@...ssion.com,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 065/139] futex: Revert "futex: Mark get_robust_list as deprecated"

3.5.7.7 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Gleixner <tglx@...utronix.de>

commit fe2b05f7ca9f906be61dced5489f63b8b4d7c770 upstream.

This reverts commit ec0c4274e33c0373e476b73e01995c53128f1257.

get_robust_list() is in use and a removal would break existing user
space. With the permission checks in place it's not longer a security
hole. Remove the deprecation warnings.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Cyrill Gorcunov <gorcunov@...nvz.org>
Cc: Richard Weinberger <richard@....at>
Cc: akpm@...ux-foundation.org
Cc: paul.gortmaker@...driver.com
Cc: davej@...hat.com
Cc: keescook@...omium.org
Cc: ebiederm@...ssion.com
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 kernel/futex.c        | 2 --
 kernel/futex_compat.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index 19eb089..8879430 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2471,8 +2471,6 @@ 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 83e368b..a9642d5 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -142,8 +142,6 @@ 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;
-- 
1.8.1.2

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