[Xen-devel] [PATCH for-4.6] arm: constify atomic_read parameter

[Wei Liu <wei.liu2@xxxxxxxxxx>]

7d98594e6e added const to atomic_read. Do the same for Arm
counterpart.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Breakage from XSA-273 changes.
---
 xen/include/asm-arm/atomic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/asm-arm/atomic.h b/xen/include/asm-arm/atomic.h
index 5a38c67fbd..73c53efc2b 100644
--- a/xen/include/asm-arm/atomic.h
+++ b/xen/include/asm-arm/atomic.h
@@ -110,7 +110,7 @@ typedef struct { int counter; } atomic_t;
  * strex/ldrex monitor on some implementations. The reason we can use it for
  * atomic_set() is the clrex or dummy strex done on every exception return.
  */
-static inline int atomic_read(atomic_t *v)
+static inline int atomic_read(const atomic_t *v)
 {
     return *(volatile int *)&v->counter;
 }
-- 
2.11.0


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