asm-arm/atomic.h: fix arm32|arm64 macros duplication

Move duplicate macros between asm-arm/arm32/atomic.h and asm-arm/arm64/atomic.h
to asm-arm/atomic.h.

Signed-off-by: Corneliu ZUZU <czuzu@bitdefender.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: Julien Grall <julien.grall@arm.com>

diff --git a/xen/arch/arm/README.LinuxPrimitives b/xen/arch/arm/README.LinuxPrimitives
index 3115f51d47c6081935aaf1f90361974bcf3f68cf..028e8721f9881639a4e5d30e7979a84fe40ffb94 100644 (file)
--- a/xen/arch/arm/README.LinuxPrimitives
+++ b/xen/arch/arm/README.LinuxPrimitives
@@ -23,6 +23,10 @@ atomics: last sync @ v3.16-rc6 (last commit: 8715466b6027)
 
 linux/arch/arm64/include/asm/atomic.h   xen/include/asm-arm/arm64/atomic.h
 
+The following functions were taken from Linux:
+    atomic_add(), atomic_add_return(), atomic_sub(), atomic_sub_return(),
+    atomic_cmpxchg(), __atomic_add_unless()
+
 ---------------------------------------------------------------------
 
 mem*: last sync @ v3.16-rc6 (last commit: d875c9b37240)
@@ -91,6 +95,10 @@ atomics: last sync @ v3.16-rc6 (last commit: 030d0178bdbd)
 
 linux/arch/arm/include/asm/atomic.h     xen/include/asm-arm/arm32/atomic.h
 
+The following functions were taken from Linux:
+    atomic_add(), atomic_add_return(), atomic_sub(), atomic_sub_return(),
+    atomic_cmpxchg(), __atomic_add_unless()
+
 ---------------------------------------------------------------------
 
 mem*: last sync @ v3.16-rc6 (last commit: d98b90ea22b0)

diff --git a/xen/include/asm-arm/arm32/atomic.h b/xen/include/asm-arm/arm32/atomic.h
index 7ec712f7b93c369922d820301b5ef8a1ab13d30a..c03eb684cd9e8a603104b30d52d8060492b90f89 100644 (file)
--- a/xen/include/asm-arm/arm32/atomic.h
+++ b/xen/include/asm-arm/arm32/atomic.h
@@ -147,19 +147,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
        return oldval;
 }
 
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-
-#define atomic_inc(v)          atomic_add(1, v)
-#define atomic_dec(v)          atomic_sub(1, v)
-
-#define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
-#define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
-#define atomic_inc_return(v)    (atomic_add_return(1, v))
-#define atomic_dec_return(v)    (atomic_sub_return(1, v))
-#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
-
-#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
-
 #endif /* __ARCH_ARM_ARM32_ATOMIC__ */
 /*
  * Local variables:

diff --git a/xen/include/asm-arm/arm64/atomic.h b/xen/include/asm-arm/arm64/atomic.h
index b49219e7a95c0a62a2028654d5178a2cb9094e36..bce38d4ca27acaed034483c055b1e25f65743286 100644 (file)
--- a/xen/include/asm-arm/arm64/atomic.h
+++ b/xen/include/asm-arm/arm64/atomic.h
@@ -113,8 +113,6 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
        return oldval;
 }
 
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-
 static inline int __atomic_add_unless(atomic_t *v, int a, int u)
 {
        int c, old;
@@ -125,17 +123,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
        return c;
 }
 
-#define atomic_inc(v)          atomic_add(1, v)
-#define atomic_dec(v)          atomic_sub(1, v)
-
-#define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
-#define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
-#define atomic_inc_return(v)    (atomic_add_return(1, v))
-#define atomic_dec_return(v)    (atomic_sub_return(1, v))
-#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
-
-#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
-
 #endif
 /*
  * Local variables:

diff --git a/xen/include/asm-arm/atomic.h b/xen/include/asm-arm/atomic.h
index 29ab265f001585782fbcd76ea2a25ee24c9ff7c7..18cb2e1616e8377080fee1543c2e5a6b21e9ae96 100644 (file)
--- a/xen/include/asm-arm/atomic.h
+++ b/xen/include/asm-arm/atomic.h
@@ -138,6 +138,19 @@ static inline void _atomic_set(atomic_t *v, int i)
 # error "unknown ARM variant"
 #endif
 
+#define atomic_inc(v)       atomic_add(1, v)
+#define atomic_dec(v)       atomic_sub(1, v)
+
+#define atomic_inc_and_test(v)  (atomic_add_return(1, v) == 0)
+#define atomic_dec_and_test(v)  (atomic_sub_return(1, v) == 0)
+#define atomic_inc_return(v)    (atomic_add_return(1, v))
+#define atomic_dec_return(v)    (atomic_sub_return(1, v))
+#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
+
+#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
+
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
 #endif /* __ARCH_ARM_ATOMIC__ */
 /*
  * Local variables: