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From: Uros Bizjak <ubizjak@gmail.com>
To: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	loongarch@lists.linux.dev, linux-mips@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-arch@vger.kernel.org,
	linux-perf-users@vger.kernel.org
Cc: Uros Bizjak <ubizjak@gmail.com>, Arnd Bergmann <arnd@arndb.de>
Subject: [PATCH 08/10] locking/generic: Wire up local{,64}_try_cmpxchg
Date: Sun,  5 Mar 2023 21:56:26 +0100	[thread overview]
Message-ID: <20230305205628.27385-9-ubizjak@gmail.com> (raw)
In-Reply-To: <20230305205628.27385-1-ubizjak@gmail.com>

Implement generic support for local{,64}_try_cmpxchg.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
---
 include/asm-generic/local.h   | 1 +
 include/asm-generic/local64.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index fca7f1d84818..7f97018df66f 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -42,6 +42,7 @@ typedef struct
 #define local_inc_return(l) atomic_long_inc_return(&(l)->a)
 
 #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
+#define local_try_cmpxchg(l, po, n) atomic_long_try_cmpxchg((&(l)->a), (po), (n))
 #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
 #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)
diff --git a/include/asm-generic/local64.h b/include/asm-generic/local64.h
index 765be0b7d883..54b91e93ae76 100644
--- a/include/asm-generic/local64.h
+++ b/include/asm-generic/local64.h
@@ -43,6 +43,7 @@ typedef struct {
 #define local64_inc_return(l)	local_inc_return(&(l)->a)
 
 #define local64_cmpxchg(l, o, n) local_cmpxchg((&(l)->a), (o), (n))
+#define local64_try_cmpxchg(l, po, n) local_try_cmpxchg((&(l)->a), (po), (n))
 #define local64_xchg(l, n)	local_xchg((&(l)->a), (n))
 #define local64_add_unless(l, _a, u) local_add_unless((&(l)->a), (_a), (u))
 #define local64_inc_not_zero(l)	local_inc_not_zero(&(l)->a)
@@ -81,6 +82,7 @@ typedef struct {
 #define local64_inc_return(l)	atomic64_inc_return(&(l)->a)
 
 #define local64_cmpxchg(l, o, n) atomic64_cmpxchg((&(l)->a), (o), (n))
+#define local64_try_cmpxchg(l, po, n) atomic64_try_cmpxchg((&(l)->a), (po), (n))
 #define local64_xchg(l, n)	atomic64_xchg((&(l)->a), (n))
 #define local64_add_unless(l, _a, u) atomic64_add_unless((&(l)->a), (_a), (u))
 #define local64_inc_not_zero(l)	atomic64_inc_not_zero(&(l)->a)
-- 
2.39.2


  parent reply	other threads:[~2023-03-05 21:05 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-05 20:56 [PATCH 00/10] locking: Introduce local{,64}_try_cmpxchg Uros Bizjak
2023-03-05 20:56 ` [PATCH 01/10] locking/atomic: Add missing cast to try_cmpxchg() fallbacks Uros Bizjak
2023-03-24 14:13   ` Mark Rutland
2023-03-24 15:43     ` Uros Bizjak
2023-03-24 16:14       ` Mark Rutland
2023-03-24 16:32         ` Mark Rutland
2023-03-26 19:28           ` Uros Bizjak
2023-04-03 10:19             ` Mark Rutland
2023-04-04 12:24               ` Uros Bizjak
2023-04-04 13:19                 ` Mark Rutland
2023-04-04 13:23                   ` Uros Bizjak
2023-03-05 20:56 ` [PATCH 02/10] locking/atomic: Add generic try_cmpxchg{,64}_local support Uros Bizjak
2023-03-05 20:56 ` [PATCH 03/10] locking/alpha: Wire up local_try_cmpxchg Uros Bizjak
2023-03-05 20:56 ` [PATCH 04/10] locking/loongarch: " Uros Bizjak
2023-03-05 20:56 ` [PATCH 05/10] locking/mips: " Uros Bizjak
2023-03-05 20:56 ` [PATCH 06/10] locking/powerpc: " Uros Bizjak
2023-03-05 20:56 ` [PATCH 07/10] locking/x86: " Uros Bizjak
2023-03-05 20:56 ` Uros Bizjak [this message]
2023-03-05 20:56 ` [PATCH 09/10] locking/x86: Enable local{,64}_try_cmpxchg Uros Bizjak
2023-03-05 20:56 ` [PATCH 10/10] perf/ring_buffer: use local_try_cmpxchg in __perf_output_begin Uros Bizjak

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