From: Pranith Kumar <pranith@gatech.edu>
To: arnd@arndb.de
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/1] define generic version of cmpxchg{64} only if not, previously defined
Date: Thu, 05 Jun 2014 18:09:48 -0400 [thread overview]
Message-ID: <5390EAAC.5070601@gatech.edu> (raw)
define generic versions of cmpxchg{64} only if not previously defined.
This makes these definition in-line to other definitions of generic versions
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
---
include/asm-generic/cmpxchg.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/asm-generic/cmpxchg.h b/include/asm-generic/cmpxchg.h
index 811fb1e..7154b79 100644
--- a/include/asm-generic/cmpxchg.h
+++ b/include/asm-generic/cmpxchg.h
@@ -102,7 +102,12 @@ unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
#endif
+#ifndef cmpxchg
#define cmpxchg(ptr, o, n) cmpxchg_local((ptr), (o), (n))
+#endif
+
+#ifndef cmpxchg64
#define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n))
+#endif
#endif /* __ASM_GENERIC_CMPXCHG_H */
--
1.7.9.5
next reply other threads:[~2014-06-05 22:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 22:09 Pranith Kumar [this message]
2014-06-05 22:09 ` [PATCH 1/1] define generic version of cmpxchg{64} only if not, previously defined Pranith Kumar
2014-06-11 12:55 ` Arnd Bergmann
2014-06-11 16:07 ` Pranith Kumar
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