The only reason uaccess routines might sleep
is if they fault. Make this explicit.

Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
 arch/microblaze/include/asm/uaccess.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/microblaze/include/asm/uaccess.h 
b/arch/microblaze/include/asm/uaccess.h
index efe59d8..2fc8bf7 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -145,7 +145,7 @@ static inline unsigned long __must_check __clear_user(void 
__user *to,
 static inline unsigned long __must_check clear_user(void __user *to,
                                                        unsigned long n)
 {
-       might_sleep();
+       might_fault();
        if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
                return n;
 
@@ -371,7 +371,7 @@ extern long __user_bad(void);
 static inline long copy_from_user(void *to,
                const void __user *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        if (access_ok(VERIFY_READ, from, n))
                return __copy_from_user(to, from, n);
        return n;
@@ -385,7 +385,7 @@ static inline long copy_from_user(void *to,
 static inline long copy_to_user(void __user *to,
                const void *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        if (access_ok(VERIFY_WRITE, to, n))
                return __copy_to_user(to, from, n);
        return n;
-- 
MST

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to