tile: uaccess s/might_sleep/might_fault/

mstsirkin · Ingo Molnar · commit f8abe86cc4fb · 2013-05-28T09:41:09.000+02:00
The only reason uaccess routines might sleep is if they fault. Make this explicit. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1369577426-26721-8-git-send-email-mst@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
@@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic(
 static inline unsigned long __must_check
 __copy_in_user(void __user *to, const void __user *from, unsigned long n)
 {
-	might_sleep();
+	might_fault();
 	return __copy_in_user_inatomic(to, from, n);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic(`
`442`	`442`	`static inline unsigned long __must_check`
`443`	`443`	`__copy_in_user(void __user to, const void __user from, unsigned long n)`
`444`	`444`	`{`
`445`		`- might_sleep();`
	`445`	`+ might_fault();`
`446`	`446`	`return __copy_in_user_inatomic(to, from, n);`
`447`	`447`	`}`
`448`	`448`