[Xen-devel] [PATCH 2/2] fix: make atomic_read() param const

[Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>]

This wouldn't let me make a param of a function that used atomic_read() const.

Signed-off-by: Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>
---
 xen/include/asm-arm/atomic.h | 2 +-
 xen/include/asm-x86/atomic.h | 2 +-
 xen/include/xen/atomic.h     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/include/asm-arm/atomic.h b/xen/include/asm-arm/atomic.h
index 8e8c5d1..cd86cf0 100644
--- a/xen/include/asm-arm/atomic.h
+++ b/xen/include/asm-arm/atomic.h
@@ -102,7 +102,7 @@ void __bad_atomic_size(void);
  * 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;
 }
diff --git a/xen/include/asm-x86/atomic.h b/xen/include/asm-x86/atomic.h
index 9bf4bc1..a16f0f6 100644
--- a/xen/include/asm-x86/atomic.h
+++ b/xen/include/asm-x86/atomic.h
@@ -86,7 +86,7 @@ void __bad_atomic_size(void);
  *
  * Atomically reads the value of @v.
  */
-static inline int atomic_read(atomic_t *v)
+static inline int atomic_read(const atomic_t *v)
 {
     return read_atomic(&v->counter);
 }
diff --git a/xen/include/xen/atomic.h b/xen/include/xen/atomic.h
index 5d5c051..6cbc6d8 100644
--- a/xen/include/xen/atomic.h
+++ b/xen/include/xen/atomic.h
@@ -37,7 +37,7 @@ typedef struct { int counter; } atomic_t;
  *
  * Atomically reads the value of @v.
  */
-static inline int atomic_read(atomic_t *v);
+static inline int atomic_read(const atomic_t *v);
 
 /**
  * _atomic_read - read atomic variable non-atomically
-- 
2.5.0


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