X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fuaccess.h;h=adbf16b8cfbbbf8e52ece9bf71a089845f8ca71a;hb=refs%2Fheads%2Fvserver;hp=3872e924cdd6f7c6fca25a8983467d80e47dc79c;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-powerpc/uaccess.h b/include/asm-powerpc/uaccess.h
index 3872e924c..adbf16b8c 100644
--- a/include/asm-powerpc/uaccess.h
+++ b/include/asm-powerpc/uaccess.h
@@ -7,6 +7,7 @@
 #include <linux/sched.h>
 #include <linux/errno.h>
 #include <asm/processor.h>
+#include <asm/page.h>
 
 #define VERIFY_READ	0
 #define VERIFY_WRITE	1
@@ -179,9 +180,11 @@ do {								\
 #define __put_user_nocheck(x, ptr, size)			\
 ({								\
 	long __pu_err;						\
-	might_sleep();						\
+	__typeof__(*(ptr)) __user *__pu_addr = (ptr);		\
+	if (!is_kernel_addr((unsigned long)__pu_addr))		\
+		might_sleep();					\
 	__chk_user_ptr(ptr);					\
-	__put_user_size((x), (ptr), (size), __pu_err);		\
+	__put_user_size((x), __pu_addr, (size), __pu_err);	\
 	__pu_err;						\
 })
 
@@ -258,9 +261,11 @@ do {								\
 ({								\
 	long __gu_err;						\
 	unsigned long __gu_val;					\
+	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);	\
 	__chk_user_ptr(ptr);					\
-	might_sleep();						\
-	__get_user_size(__gu_val, (ptr), (size), __gu_err);	\
+	if (!is_kernel_addr((unsigned long)__gu_addr))		\
+		might_sleep();					\
+	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
 	(x) = (__typeof__(*(ptr)))__gu_val;			\
 	__gu_err;						\
 })
@@ -270,9 +275,11 @@ do {								\
 ({								\
 	long __gu_err;						\
 	long long __gu_val;					\
+	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);	\
 	__chk_user_ptr(ptr);					\
-	might_sleep();						\
-	__get_user_size(__gu_val, (ptr), (size), __gu_err);	\
+	if (!is_kernel_addr((unsigned long)__gu_addr))		\
+		might_sleep();					\
+	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
 	(x) = (__typeof__(*(ptr)))__gu_val;			\
 	__gu_err;						\
 })
@@ -297,7 +304,7 @@ extern unsigned long __copy_tofrom_user(void __user *to,
 
 #ifndef __powerpc64__
 
-extern inline unsigned long copy_from_user(void *to,
+static inline unsigned long copy_from_user(void *to,
 		const void __user *from, unsigned long n)
 {
 	unsigned long over;
@@ -312,7 +319,7 @@ extern inline unsigned long copy_from_user(void *to,
 	return n;
 }
 
-extern inline unsigned long copy_to_user(void __user *to,
+static inline unsigned long copy_to_user(void __user *to,
 		const void *from, unsigned long n)
 {
 	unsigned long over;