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futex: Mark get_robust_list as deprecated

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Notify get_robust_list users that the syscall is going away.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: kernel-hardening@lists.openwall.com
Cc: spender@grsecurity.net
Link: http://lkml.kernel.org/r/20120323190855.GA27213@www.outflux.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Kees Cook
2012-03-23 12:08:55 -07:00
committed by Thomas Gleixner
parent bdbb776f88
commit ec0c4274e3
3 changed files with 14 additions and 0 deletions
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2
kernel/futex.c
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@@ -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;

2
kernel/futex_compat.c
View File

@@ -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;