From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
Ingo Molnar <mingo@redhat.com>,
Greg Kroah-Hartman <gregkh@suse.de>,
Christoph Hellwig <hch@infradead.org>
Cc: ltt-dev@shafik.org, systemtap@sources.redhat.com,
Douglas Niehaus <niehaus@eecs.ku.edu>,
"Martin J. Bligh" <mbligh@mbligh.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 1/10] local_t : architecture agnostic
Date: Thu, 21 Dec 2006 00:22:00 -0000 [thread overview]
Message-ID: <20061221002050.GQ28643@Krystal> (raw)
In-Reply-To: <20061221001545.GP28643@Krystal>
This is the architecture agnostic local_t extension.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -33,6 +33,19 @@ #define local_dec(l) atomic_long_dec(&(l
#define local_add(i,l) atomic_long_add((i),(&(l)->a))
#define local_sub(i,l) atomic_long_sub((i),(&(l)->a))
+#define local_sub_and_test(i, l) atomic_long_sub_and_test((i), (&(l)->a))
+#define local_dec_and_test(l) atomic_long_dec_and_test(&(l)->a)
+#define local_inc_and_test(l) atomic_long_inc_and_test(&(l)->a)
+#define local_add_negative(i, l) atomic_long_add_negative((i), (&(l)->a))
+#define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a))
+#define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a))
+#define local_inc_return(l) atomic_long_inc_return(&(l)->a)
+
+#define local_cmpxchg(l, old, new) atomic_long_cmpxchg((&(l)->a), (old), (new))
+#define local_xchg(l, new) atomic_long_xchg((&(l)->a), (new))
+#define local_add_unless(l, a, u) atomic_long_add_unless((&(l)->a), (a), (u))
+#define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
+
/* Non-atomic variants, ie. preemption disabled and won't be touched
* in interrupt, etc. Some archs can optimize this case well. */
#define __local_inc(l) local_set((l), local_read(l) + 1)
@@ -44,19 +57,19 @@ #define __local_sub(i,l) local_set((l),
* much more efficient than these naive implementations. Note they take
* a variable (eg. mystruct.foo), not an address.
*/
-#define cpu_local_read(v) local_read(&__get_cpu_var(v))
-#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
-#define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
-#define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
-#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
-#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
+#define cpu_local_read(l) local_read(&__get_cpu_var(l))
+#define cpu_local_set(l, i) local_set(&__get_cpu_var(l), (i))
+#define cpu_local_inc(l) local_inc(&__get_cpu_var(l))
+#define cpu_local_dec(l) local_dec(&__get_cpu_var(l))
+#define cpu_local_add(i, l) local_add((i), &__get_cpu_var(l))
+#define cpu_local_sub(i, l) local_sub((i), &__get_cpu_var(l))
/* Non-atomic increments, ie. preemption disabled and won't be touched
* in interrupt, etc. Some archs can optimize this case well.
*/
-#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v))
-#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v))
-#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v))
-#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v))
+#define __cpu_local_inc(l) __local_inc(&__get_cpu_var(l))
+#define __cpu_local_dec(l) __local_dec(&__get_cpu_var(l))
+#define __cpu_local_add(i, l) __local_add((i), &__get_cpu_var(l))
+#define __cpu_local_sub(i, l) __local_sub((i), &__get_cpu_var(l))
#endif /* _ASM_GENERIC_LOCAL_H */
OpenPGP public key: http://krystal.dyndns.org:8080/key/compudj.gpg
Key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2006-12-21 0:21 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-21 0:22 [PATCH 0/10] local_t : adding and standardising atomic primitives Mathieu Desnoyers
2006-12-21 0:22 ` Mathieu Desnoyers [this message]
2006-12-21 0:24 ` [PATCH 2/10] local_t : alpha Mathieu Desnoyers
2006-12-21 0:25 ` [PATCH 3/10] local_t : i386 Mathieu Desnoyers
2006-12-21 19:47 ` [Ltt-dev] [PATCH 3/10] local_t : i386, local_add_return fix Mathieu Desnoyers
2006-12-21 0:26 ` [PATCH 4/10] local_t : ia64 Mathieu Desnoyers
2006-12-21 0:27 ` [PATCH 5/10] " Mathieu Desnoyers
2006-12-21 18:56 ` [Ltt-dev] [PATCH 5/10] local_t : MIPS Mathieu Desnoyers
2006-12-21 0:27 ` [PATCH 6/10] local_t : parisc Mathieu Desnoyers
2006-12-21 0:28 ` [PATCH 7/10] local_t : powerpc Mathieu Desnoyers
2006-12-21 14:04 ` [Ltt-dev] " Mathieu Desnoyers
2007-01-24 10:00 ` Paul Mackerras
2007-01-24 10:43 ` Gabriel Paubert
2007-01-24 17:05 ` Mathieu Desnoyers
2006-12-21 0:29 ` [PATCH 8/10] local_t : s390 Mathieu Desnoyers
2006-12-21 0:41 ` [PATCH 9/10] local_t : sparc64 Mathieu Desnoyers
2006-12-21 3:01 ` [PATCH 10/10] local_t : x86_64 Mathieu Desnoyers
2006-12-21 19:55 ` [Ltt-dev] [PATCH 10/10] local_t : x86_64 : local_add_return Mathieu Desnoyers
2006-12-26 19:48 ` [PATCH 0/10] local_t : adding and standardising atomic primitives Pavel Machek
2007-01-09 3:20 ` [PATCH] local_t : Documentation Mathieu Desnoyers
2007-01-09 21:02 ` Andrew Morton
2007-01-09 22:11 ` Mathieu Desnoyers
2007-01-09 22:12 ` Andrew Morton
2007-01-09 22:38 ` Pavel Machek
2007-01-09 22:41 ` Pavel Machek
2007-01-09 23:27 ` [PATCH] local_t : Documentation - update Mathieu Desnoyers
2007-01-09 23:45 ` Pavel Machek
2007-01-10 0:39 ` Mathieu Desnoyers
2007-01-10 1:06 ` [Ltt-dev] " Mathieu Desnoyers
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