From: guoren@kernel.org
To: palmer@rivosinc.com, heiko@sntech.de, hch@infradead.org,
arnd@arndb.de, peterz@infradead.org, will@kernel.org,
boqun.feng@gmail.com, longman@redhat.com, shorne@gmail.com,
conor.dooley@microchip.com
Cc: linux-csky@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
Guo Ren <guoren@linux.alibaba.com>, Guo Ren <guoren@kernel.org>
Subject: [PATCH V9 07/15] riscv: cmpxchg: Remove xchg32 and xchg64
Date: Mon, 8 Aug 2022 03:13:10 -0400 [thread overview]
Message-ID: <20220808071318.3335746-8-guoren@kernel.org> (raw)
In-Reply-To: <20220808071318.3335746-1-guoren@kernel.org>
From: Guo Ren <guoren@linux.alibaba.com>
The xchg32 and xchg64 are unused, so remove them.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
---
arch/riscv/include/asm/cmpxchg.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 67ab6375b650..567ed2e274c4 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -76,18 +76,6 @@
(__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \
})
-#define xchg32(ptr, x) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 4); \
- arch_xchg((ptr), (x)); \
-})
-
-#define xchg64(ptr, x) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- arch_xchg((ptr), (x)); \
-})
-
/*
* Atomic compare and exchange. Compare OLD with MEM, if identical,
* store NEW in MEM. Return the initial value in MEM. Success is
--
2.36.1
next prev parent reply other threads:[~2022-08-08 7:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-08 7:13 [PATCH V9 00/15] arch: Add qspinlock support and atomic cleanup guoren
2022-08-08 7:13 ` [PATCH V9 01/15] asm-generic: ticket-lock: Remove unnecessary atomic_read guoren
2022-08-08 7:13 ` [PATCH V9 02/15] asm-generic: ticket-lock: Use the same struct definitions with qspinlock guoren
2022-08-08 7:13 ` [PATCH V9 03/15] asm-generic: ticket-lock: Move into ticket_spinlock.h guoren
2022-08-08 7:13 ` [PATCH V9 04/15] asm-generic: ticket-lock: Keep ticket-lock the same semantic with qspinlock guoren
2022-08-08 7:13 ` [PATCH V9 05/15] asm-generic: spinlock: Add queued spinlock support in common header guoren
2022-08-08 7:13 ` [PATCH V9 06/15] riscv: atomic: Clean up unnecessary acquire and release definitions guoren
2022-08-08 7:13 ` guoren [this message]
2022-08-08 7:13 ` [PATCH V9 08/15] riscv: cmpxchg: Forbid arch_cmpxchg64 for 32-bit guoren
2022-08-08 7:13 ` [PATCH V9 09/15] riscv: cmpxchg: Optimize cmpxchg64 guoren
2022-08-08 7:13 ` [PATCH V9 10/15] riscv: Enable ARCH_INLINE_READ*/WRITE*/SPIN* guoren
2022-08-08 7:13 ` [PATCH V9 11/15] riscv: Add qspinlock support guoren
2022-08-08 7:13 ` [PATCH V9 12/15] riscv: Add combo spinlock support guoren
2022-08-08 7:13 ` [PATCH V9 13/15] openrisc: cmpxchg: Cleanup unnecessary codes guoren
2022-08-08 7:13 ` [PATCH V9 14/15] openrisc: Move from ticket-lock to qspinlock guoren
2022-08-08 7:13 ` [PATCH V9 15/15] csky: spinlock: Use the generic header files guoren
2022-08-08 7:25 ` [PATCH V9 00/15] arch: Add qspinlock support and atomic cleanup Guo Ren
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