linux-kernel - [PATCH 05/10] locking/mips: Wire up local_try

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Message-Id: <20230305205628.27385-6-ubizjak@gmail.com>
Date:   Sun,  5 Mar 2023 21:56:23 +0100
From:   Uros Bizjak <ubizjak@...il.com>
To:     linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
        loongarch@...ts.linux.dev, linux-mips@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-arch@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Cc:     Uros Bizjak <ubizjak@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: [PATCH 05/10] locking/mips: Wire up local_try_cmpxchg

Implement target specific support for local_try_cmpxchg.

Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Uros Bizjak <ubizjak@...il.com>
---
 arch/mips/include/asm/local.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h
index 08366b1fd273..b611361a760b 100644
--- a/arch/mips/include/asm/local.h
+++ b/arch/mips/include/asm/local.h
@@ -96,6 +96,8 @@ static __inline__ long local_sub_return(long i, local_t * l)
 
 #define local_cmpxchg(l, o, n) \
 	((long)cmpxchg_local(&((l)->a.counter), (o), (n)))
+#define local_try_cmpxchg(l, po, n) \
+	(try_cmpxchg_local(&((l)->a.counter), (po), (n)))
 #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n)))
 
 /**
-- 
2.39.2