On 15/07/16 07:50, Corneliu ZUZU wrote:
This wouldn't let me make a param of a function that used atomic_read() const.
Signed-off-by: Corneliu ZUZU <cz...@bitdefender.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
Reviewed-by: Julien Grall <julien.gr...@arm.com>
Regards,
---
Changed since v3: <nothing>
---
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 a79420a..78dad29 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 3e99b03..1729e29 100644
--- a/xen/include/asm-x86/atomic.h
+++ b/xen/include/asm-x86/atomic.h
@@ -80,7 +80,7 @@ void __bad_atomic_size(void);
} \
})
-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 d072912..6827468 100644
--- a/xen/include/xen/atomic.h
+++ b/xen/include/xen/atomic.h
@@ -32,7 +32,7 @@ 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
--
Julien Grall
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