Add the primitives cmpxchg_local, cmpxchg64 and cmpxchg64_local to ia64. They
use cmpxchg_acq as underlying macro, just like the already existing ia64
cmpxchg().
Changelog:
ia64 cmpxchg_local coding style fix
Quoting Keith Owens:
As a matter of coding style, I prefer
#define cmpxchg_local cmpxchg
#define cmpxchg64_local cmpxchg64
Which makes it absolutely clear that they are the same code. With your
patch, humans have to do a string compare of two defines to see if they
are the same.
Signed-off-by: Mathieu Desnoyers <[email protected]>
CC: [email protected]
CC: [email protected]
CC: Keith Owens <[email protected]>
---
include/asm-ia64/intrinsics.h | 4 ++++
1 file changed, 4 insertions(+)
Index: linux-2.6-lttng/include/asm-ia64/intrinsics.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-ia64/intrinsics.h 2007-08-12 09:33:57.000000000 -0400
+++ linux-2.6-lttng/include/asm-ia64/intrinsics.h 2007-08-12 15:09:49.000000000 -0400
@@ -158,6 +158,10 @@ extern long ia64_cmpxchg_called_with_bad
/* for compatibility with other platforms: */
#define cmpxchg(ptr,o,n) cmpxchg_acq(ptr,o,n)
+#define cmpxchg64(ptr,o,n) cmpxchg_acq(ptr,o,n)
+
+#define cmpxchg_local cmpxchg
+#define cmpxchg64_local cmpxchg64
#ifdef CONFIG_IA64_DEBUG_CMPXCHG
# define CMPXCHG_BUGCHECK_DECL int _cmpxchg_bugcheck_count = 128;
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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