--- zzzz-none-000/linux-2.6.19.2/include/linux/uaccess.h	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/include/linux/uaccess.h	2007-01-19 14:42:56.000000000 +0000
@@ -34,9 +34,12 @@
 #define probe_kernel_address(addr, retval)		\
 	({						\
 		long ret;				\
+		mm_segment_t old_fs = get_fs();		\
 							\
 		inc_preempt_count();			\
+		set_fs(KERNEL_DS);			\
 		ret = __get_user(retval, addr);		\
+		set_fs(old_fs);				\
 		dec_preempt_count();			\
 		ret;					\
 	})