Merge branch 'linus' into perf/core

Merge reason: pick up perf fixes

Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/arm/kernel/calls.S

@@ -375,6 +375,7 @@
 		CALL(sys_rt_tgsigqueueinfo)
 		CALL(sys_perf_event_open)
 /* 365 */	CALL(sys_recvmmsg)
+		CALL(sys_accept4)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted

arch/arm/kernel/kgdb.c

@@ -79,7 +79,7 @@ sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task)
 		return;
 
 	/* Initialize to zero */
-	for (regno = 0; regno < GDB_MAX_REGS; regno++)
+	for (regno = 0; regno < DBG_MAX_REG_NUM; regno++)
 		gdb_regs[regno] = 0;
 
 	/* Otherwise, we have only some registers from switch_to() */

arch/arm/kernel/sys_arm.c

@@ -62,8 +62,9 @@ asmlinkage int sys_vfork(struct pt_regs *regs)
 /* sys_execve() executes a new program.
  * This is called indirectly via a small wrapper
  */
-asmlinkage int sys_execve(const char __user *filenamei, char __user * __user *argv,
-			  char __user * __user *envp, struct pt_regs *regs)
+asmlinkage int sys_execve(const char __user *filenamei,
+			  const char __user *const __user *argv,
+			  const char __user *const __user *envp, struct pt_regs *regs)
 {
 	int error;
 	char * filename;
@@ -78,14 +79,17 @@ out:
 	return error;
 }
 
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
+int kernel_execve(const char *filename,
+		  const char *const argv[],
+		  const char *const envp[])
 {
 	struct pt_regs regs;
 	int ret;
 
 	memset(&regs, 0, sizeof(struct pt_regs));
-	ret = do_execve(filename, (char __user * __user *)argv,
-			(char __user * __user *)envp, &regs);
+	ret = do_execve(filename,
+			(const char __user *const __user *)argv,
+			(const char __user *const __user *)envp, &regs);
 	if (ret < 0)
 		goto out;