[ARM] 3420/1: Missing clobber in example code
Patch from Paul Brook
The example code in the source documentation for __kernel_dmb
clobbers r0 but doesn't list it the asm clobber list.
Signed-off-by: Paul Brook <paul@codesourcery.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 355914f..ab8e600 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -666,7 +666,7 @@
*
* #define __kernel_dmb() \
* asm volatile ( "mov r0, #0xffff0fff; mov lr, pc; sub pc, r0, #95" \
- * : : : "lr","cc" )
+ * : : : "r0", "lr","cc" )
*/
__kuser_memory_barrier: @ 0xffff0fa0