From: Ingo Molnar <mingo@elte.hu>
To: lkml <linux-kernel@vger.kernel.org>
Cc: Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
Arjan van de Ven <arjan@infradead.org>,
Nicolas Pitre <nico@cam.org>,
Jes Sorensen <jes@trained-monkey.org>,
Al Viro <viro@ftp.linux.org.uk>, Oleg Nesterov <oleg@tv-sign.ru>,
David Howells <dhowells@redhat.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Christoph Hellwig <hch@infradead.org>, Andi Kleen <ak@suse.de>,
Russell King <rmk+lkml@arm.linux.org.uk>
Subject: [patch 01/19] mutex subsystem, add atomic_xchg() to all arches
Date: Tue, 3 Jan 2006 11:07:13 +0100 [thread overview]
Message-ID: <20060103100713.GA23289@elte.hu> (raw)
add atomic_xchg() to all the architectures. Needed by the new mutex code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
----
include/asm-alpha/atomic.h | 1 +
include/asm-arm/atomic.h | 2 ++
include/asm-arm26/atomic.h | 2 ++
include/asm-cris/atomic.h | 2 ++
include/asm-frv/atomic.h | 1 +
include/asm-h8300/atomic.h | 2 ++
include/asm-i386/atomic.h | 1 +
include/asm-ia64/atomic.h | 1 +
include/asm-m32r/atomic.h | 1 +
include/asm-m68k/atomic.h | 1 +
include/asm-m68knommu/atomic.h | 1 +
include/asm-mips/atomic.h | 1 +
include/asm-parisc/atomic.h | 1 +
include/asm-powerpc/atomic.h | 1 +
include/asm-s390/atomic.h | 1 +
include/asm-sh/atomic.h | 2 ++
include/asm-sh64/atomic.h | 2 ++
include/asm-sparc/atomic.h | 1 +
include/asm-sparc64/atomic.h | 1 +
include/asm-v850/atomic.h | 2 ++
include/asm-x86_64/atomic.h | 1 +
include/asm-xtensa/atomic.h | 1 +
22 files changed, 29 insertions(+)
Index: linux/include/asm-alpha/atomic.h
===================================================================
--- linux.orig/include/asm-alpha/atomic.h
+++ linux/include/asm-alpha/atomic.h
@@ -176,6 +176,7 @@ static __inline__ long atomic64_sub_retu
}
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-arm/atomic.h
===================================================================
--- linux.orig/include/asm-arm/atomic.h
+++ linux/include/asm-arm/atomic.h
@@ -175,6 +175,8 @@ static inline void atomic_clear_mask(uns
#endif /* __LINUX_ARM_ARCH__ */
+#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;
Index: linux/include/asm-arm26/atomic.h
===================================================================
--- linux.orig/include/asm-arm26/atomic.h
+++ linux/include/asm-arm26/atomic.h
@@ -76,6 +76,8 @@ static inline int atomic_cmpxchg(atomic_
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
Index: linux/include/asm-cris/atomic.h
===================================================================
--- linux.orig/include/asm-cris/atomic.h
+++ linux/include/asm-cris/atomic.h
@@ -136,6 +136,8 @@ static inline int atomic_cmpxchg(atomic_
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
Index: linux/include/asm-frv/atomic.h
===================================================================
--- linux.orig/include/asm-frv/atomic.h
+++ linux/include/asm-frv/atomic.h
@@ -415,6 +415,7 @@ extern uint32_t __cmpxchg_32(uint32_t *v
#endif
#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-h8300/atomic.h
===================================================================
--- linux.orig/include/asm-h8300/atomic.h
+++ linux/include/asm-h8300/atomic.h
@@ -95,6 +95,8 @@ static inline int atomic_cmpxchg(atomic_
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
Index: linux/include/asm-i386/atomic.h
===================================================================
--- linux.orig/include/asm-i386/atomic.h
+++ linux/include/asm-i386/atomic.h
@@ -216,6 +216,7 @@ static __inline__ int atomic_sub_return(
}
#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
Index: linux/include/asm-ia64/atomic.h
===================================================================
--- linux.orig/include/asm-ia64/atomic.h
+++ linux/include/asm-ia64/atomic.h
@@ -89,6 +89,7 @@ ia64_atomic64_sub (__s64 i, atomic64_t *
}
#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-m32r/atomic.h
===================================================================
--- linux.orig/include/asm-m32r/atomic.h
+++ linux/include/asm-m32r/atomic.h
@@ -243,6 +243,7 @@ static __inline__ int atomic_dec_return(
#define atomic_add_negative(i,v) (atomic_add_return((i), (v)) < 0)
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
Index: linux/include/asm-m68k/atomic.h
===================================================================
--- linux.orig/include/asm-m68k/atomic.h
+++ linux/include/asm-m68k/atomic.h
@@ -140,6 +140,7 @@ static inline void atomic_set_mask(unsig
}
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-m68knommu/atomic.h
===================================================================
--- linux.orig/include/asm-m68knommu/atomic.h
+++ linux/include/asm-m68knommu/atomic.h
@@ -129,6 +129,7 @@ static inline int atomic_sub_return(int
}
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-mips/atomic.h
===================================================================
--- linux.orig/include/asm-mips/atomic.h
+++ linux/include/asm-mips/atomic.h
@@ -289,6 +289,7 @@ static __inline__ int atomic_sub_if_posi
}
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
Index: linux/include/asm-parisc/atomic.h
===================================================================
--- linux.orig/include/asm-parisc/atomic.h
+++ linux/include/asm-parisc/atomic.h
@@ -165,6 +165,7 @@ static __inline__ int atomic_read(const
/* exported interface */
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
Index: linux/include/asm-powerpc/atomic.h
===================================================================
--- linux.orig/include/asm-powerpc/atomic.h
+++ linux/include/asm-powerpc/atomic.h
@@ -165,6 +165,7 @@ static __inline__ int atomic_dec_return(
}
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
Index: linux/include/asm-s390/atomic.h
===================================================================
--- linux.orig/include/asm-s390/atomic.h
+++ linux/include/asm-s390/atomic.h
@@ -199,6 +199,7 @@ atomic_compare_and_swap(int expected_old
}
#define atomic_cmpxchg(v, o, n) (atomic_compare_and_swap((o), (n), &((v)->counter)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-sh/atomic.h
===================================================================
--- linux.orig/include/asm-sh/atomic.h
+++ linux/include/asm-sh/atomic.h
@@ -101,6 +101,8 @@ static inline int atomic_cmpxchg(atomic_
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
Index: linux/include/asm-sh64/atomic.h
===================================================================
--- linux.orig/include/asm-sh64/atomic.h
+++ linux/include/asm-sh64/atomic.h
@@ -113,6 +113,8 @@ static inline int atomic_cmpxchg(atomic_
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
Index: linux/include/asm-sparc/atomic.h
===================================================================
--- linux.orig/include/asm-sparc/atomic.h
+++ linux/include/asm-sparc/atomic.h
@@ -20,6 +20,7 @@ typedef struct { volatile int counter; }
extern int __atomic_add_return(int, atomic_t *);
extern int atomic_cmpxchg(atomic_t *, int, int);
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
Index: linux/include/asm-sparc64/atomic.h
===================================================================
--- linux.orig/include/asm-sparc64/atomic.h
+++ linux/include/asm-sparc64/atomic.h
@@ -72,6 +72,7 @@ extern int atomic64_sub_ret(int, atomic6
#define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0)
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
Index: linux/include/asm-v850/atomic.h
===================================================================
--- linux.orig/include/asm-v850/atomic.h
+++ linux/include/asm-v850/atomic.h
@@ -104,6 +104,8 @@ static inline int atomic_cmpxchg(atomic_
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
Index: linux/include/asm-x86_64/atomic.h
===================================================================
--- linux.orig/include/asm-x86_64/atomic.h
+++ linux/include/asm-x86_64/atomic.h
@@ -389,6 +389,7 @@ static __inline__ long atomic64_sub_retu
#define atomic64_dec_return(v) (atomic64_sub_return(1,v))
#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
Index: linux/include/asm-xtensa/atomic.h
===================================================================
--- linux.orig/include/asm-xtensa/atomic.h
+++ linux/include/asm-xtensa/atomic.h
@@ -224,6 +224,7 @@ static inline int atomic_sub_return(int
#define atomic_add_negative(i,v) (atomic_add_return((i),(v)) < 0)
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
next reply other threads:[~2006-01-03 10:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-03 10:07 Ingo Molnar [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-01-03 16:45 [patch 01/19] mutex subsystem, add atomic_xchg() to all arches Ingo Molnar
2006-01-02 16:33 Ingo Molnar
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