[PATCH] lightweight robust futexes updates

- fix: initialize the robust list(s) to NULL in copy_process.

- doc update

- cleanup: rename _inuser to _inatomic

- __user cleanups and other small cleanups

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

7 files changed, 7 insertions, 7 deletions

diff --git a/include/asm-frv/futex.h b/include/asm-frv/futex.h
index 9a0e9026ba5ea..08b3d1da35839 100644
--- a/include/asm-frv/futex.h
+++ b/include/asm-frv/futex.h
@@ -10,7 +10,7 @@
 extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr);
 
 static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	return -ENOSYS;
 }
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index 514bd401cd7e0..df893c160318a 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -50,7 +50,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	return -ENOSYS;
 }
diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h
index 41184a31885c2..7b8ceefd010f0 100644
--- a/include/asm-i386/futex.h
+++ b/include/asm-i386/futex.h
@@ -105,7 +105,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
diff --git a/include/asm-mips/futex.h b/include/asm-mips/futex.h
index c5fb2d6d918ae..a554089991f26 100644
--- a/include/asm-mips/futex.h
+++ b/include/asm-mips/futex.h
@@ -100,7 +100,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	return -ENOSYS;
 }
diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index 80ed9854e42bd..f1b3c00bc1ce8 100644
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -82,7 +82,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	return -ENOSYS;
 }
diff --git a/include/asm-x86_64/futex.h b/include/asm-x86_64/futex.h
index 7d9eb1a845467..9804bf07b092f 100644
--- a/include/asm-x86_64/futex.h
+++ b/include/asm-x86_64/futex.h
@@ -95,7 +95,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inuser(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 20face6b798d9..55fff96ae8591 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -100,7 +100,7 @@ long do_futex(unsigned long uaddr, int op, int val,
 		unsigned long timeout, unsigned long uaddr2, int val2,
 		int val3);
 
-extern int handle_futex_death(unsigned int *uaddr, struct task_struct *curr);
+extern int handle_futex_death(u32 __user *uaddr, struct task_struct *curr);
 
 #ifdef CONFIG_FUTEX
 extern void exit_robust_list(struct task_struct *curr);