linux-kernel - [tip: locking/core] locking/atomic/x86: Redeclare x86_32 arch_atomic64

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Message-ID: <172122712354.2215.11754309852163574251.tip-bot2@tip-bot2>
Date: Wed, 17 Jul 2024 14:38:43 -0000
From: "tip-bot2 for Uros Bizjak" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Uros Bizjak <ubizjak@...il.com>, Ingo Molnar <mingo@...nel.org>,
 Linus Torvalds <torvalds@...ux-foundation.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: locking/core] locking/atomic/x86: Redeclare x86_32
 arch_atomic64_{add,sub}() as void

The following commit has been merged into the locking/core branch of tip:

Commit-ID:     dce2a224763ce968445e14c43b49321936309c75
Gitweb:        https://git.kernel.org/tip/dce2a224763ce968445e14c43b49321936309c75
Author:        Uros Bizjak <ubizjak@...il.com>
AuthorDate:    Wed, 05 Jun 2024 20:13:16 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Wed, 17 Jul 2024 16:28:19 +02:00

locking/atomic/x86: Redeclare x86_32 arch_atomic64_{add,sub}() as void

Correct the return type of x86_32 arch_atomic64_add() and
arch_atomic64_sub() functions to 'void' and remove redundant return.

Signed-off-by: Uros Bizjak <ubizjak@...il.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Link: https://lore.kernel.org/r/20240605181424.3228-2-ubizjak@gmail.com
---
 arch/x86/include/asm/atomic64_32.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
index 8db2ec4..1f650b4 100644
--- a/arch/x86/include/asm/atomic64_32.h
+++ b/arch/x86/include/asm/atomic64_32.h
@@ -163,20 +163,18 @@ static __always_inline s64 arch_atomic64_dec_return(atomic64_t *v)
 }
 #define arch_atomic64_dec_return arch_atomic64_dec_return
 
-static __always_inline s64 arch_atomic64_add(s64 i, atomic64_t *v)
+static __always_inline void arch_atomic64_add(s64 i, atomic64_t *v)
 {
 	__alternative_atomic64(add, add_return,
 			       ASM_OUTPUT2("+A" (i), "+c" (v)),
 			       ASM_NO_INPUT_CLOBBER("memory"));
-	return i;
 }
 
-static __always_inline s64 arch_atomic64_sub(s64 i, atomic64_t *v)
+static __always_inline void arch_atomic64_sub(s64 i, atomic64_t *v)
 {
 	__alternative_atomic64(sub, sub_return,
 			       ASM_OUTPUT2("+A" (i), "+c" (v)),
 			       ASM_NO_INPUT_CLOBBER("memory"));
-	return i;
 }
 
 static __always_inline void arch_atomic64_inc(atomic64_t *v)