[PATCH] x86-64: add might_sleeps to more *_user functions

Add might_sleep to more *_user functions.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/lib/csum-wrappers.c

@@ -22,6 +22,7 @@ unsigned int
 csum_partial_copy_from_user(const char __user *src, char *dst, 
 			    int len, unsigned int isum, int *errp)
 { 
+	might_sleep();
 	*errp = 0;
 	if (likely(access_ok(VERIFY_READ,src, len))) { 
 		/* Why 6, not 7? To handle odd addresses aligned we
@@ -69,6 +70,7 @@ unsigned int
 csum_partial_copy_to_user(const char *src, char __user *dst, 
 			  int len, unsigned int isum, int *errp)
 { 
+	might_sleep();
 	if (unlikely(!access_ok(VERIFY_WRITE, dst, len))) {
 		*errp = -EFAULT;
 		return 0; 

arch/x86_64/lib/usercopy.c

@@ -14,6 +14,7 @@
 #define __do_strncpy_from_user(dst,src,count,res)			   \
 do {									   \
 	long __d0, __d1, __d2;						   \
+	might_sleep();							   \
 	__asm__ __volatile__(						   \
 		"	testq %1,%1\n"					   \
 		"	jz 2f\n"					   \
@@ -63,6 +64,7 @@ strncpy_from_user(char *dst, const char __user *src, long count)
 unsigned long __clear_user(void __user *addr, unsigned long size)
 {
 	long __d0;
+	might_sleep();
 	/* no memory constraint because it doesn't change any memory gcc knows
 	   about */
 	asm volatile(