On Thu, 18 Sep 2008 17:41:08 +1000
Stephen Rothwell [off-list ref] wrote:

I have created today's linux-next tree at
git://git.kernel.org/pub/scm/linux/kernel/git/sfr/linux-next.git
(patches at
http://www.kernel.org/pub/linux/kernel/people/sfr/linux-next/)

Anyone using this kernel shold apply this x86 fix:

--- a/include/linux/uaccess.h~uaccess-fix-parameters-inversion-for-__copy_from_user_inatomic
+++ a/include/linux/uaccess.h

@@ -78,7 +78,7 @@ static inline unsigned long __copy_from_
 							\
 		set_fs(KERNEL_DS);			\
 		pagefault_disable();			\
-		ret = __copy_from_user_inatomic((__force typeof(retval) __user *)(addr), &(retval), sizeof(retval));		\
+		ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval));		\
 		pagefault_enable();			\
 		set_fs(old_fs);				\
 		ret;					\

_

to prevent a storm of warnings like

[   58.694606] SLAB: cache with size 16384 has lost its name
[   58.694773] SLAB: cache with size 8192 has lost its name
[   58.694940] SLAB: cache with size 8192 has lost its name
[   58.695101] SLAB: cache with size 4096 has lost its name
[   58.695260] SLAB: cache with size 4096 has lost its name
[   58.695418] SLAB: cache with size 2048 has lost its name

plus probably other more nasty things.