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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v4 2/7] asm-x86/atomic.h: minor: proper atomic_inc_and_test() placement
Place atomic_inc_and_test() implementation after atomic_inc().
Also empty line fix.
Signed-off-by: Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
Changed since v3: <nothing>
---
xen/include/asm-x86/atomic.h | 39 +++++++++++++++++++--------------------
1 file changed, 19 insertions(+), 20 deletions(-)
diff --git a/xen/include/asm-x86/atomic.h b/xen/include/asm-x86/atomic.h
index d246b70..5f9f2dd 100644
--- a/xen/include/asm-x86/atomic.h
+++ b/xen/include/asm-x86/atomic.h
@@ -110,7 +110,6 @@ static inline int _atomic_read(atomic_t v)
return v.counter;
}
-
/**
* atomic_set - set atomic variable
* @v: pointer of type atomic_t
@@ -217,6 +216,25 @@ static inline void atomic_inc(atomic_t *v)
}
/**
+ * atomic_inc_and_test - increment and test
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static inline int atomic_inc_and_test(atomic_t *v)
+{
+ unsigned char c;
+
+ asm volatile (
+ "lock; incl %0; sete %1"
+ : "=m" (*(volatile int *)&v->counter), "=qm" (c)
+ : "m" (*(volatile int *)&v->counter) : "memory" );
+ return c != 0;
+}
+
+/**
* atomic_dec - decrement atomic variable
* @v: pointer of type atomic_t
*
@@ -250,25 +268,6 @@ static inline int atomic_dec_and_test(atomic_t *v)
}
/**
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-static inline int atomic_inc_and_test(atomic_t *v)
-{
- unsigned char c;
-
- asm volatile (
- "lock; incl %0; sete %1"
- : "=m" (*(volatile int *)&v->counter), "=qm" (c)
- : "m" (*(volatile int *)&v->counter) : "memory" );
- return c != 0;
-}
-
-/**
* atomic_add_negative - add and test if negative
* @v: pointer of type atomic_t
* @i: integer value to add
--
2.5.0
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