Thread (41 messages) 41 messages, 10 authors, 2023-02-15

Re: [PATCH 13/19] arch/riscv: rename internal name __xchg to __arch_xchg

From: Palmer Dabbelt <palmer@dabbelt.com>
Date: 2023-02-15 05:22:34
Also in: dri-devel, intel-gfx, linux-alpha, linux-arm-kernel, linux-m68k, linux-mips, linux-riscv, linux-s390, linux-sh, lkml, loongarch, sparclinux

On Thu, 22 Dec 2022 03:46:29 PST (-0800), andrzej.hajda@intel.com wrote:
quoted hunk ↗ jump to hunk
__xchg will be used for non-atomic xchg macro.

Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
---
 arch/riscv/include/asm/atomic.h  | 2 +-
 arch/riscv/include/asm/cmpxchg.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h
index 0dfe9d857a762b..bba472928b5393 100644
--- a/arch/riscv/include/asm/atomic.h
+++ b/arch/riscv/include/asm/atomic.h
@@ -261,7 +261,7 @@ c_t arch_atomic##prefix##_xchg_release(atomic##prefix##_t *v, c_t n)	\
 static __always_inline							\
 c_t arch_atomic##prefix##_xchg(atomic##prefix##_t *v, c_t n)		\
 {									\
-	return __xchg(&(v->counter), n, size);				\
+	return __arch_xchg(&(v->counter), n, size);			\
 }									\
 static __always_inline							\
 c_t arch_atomic##prefix##_cmpxchg_relaxed(atomic##prefix##_t *v,	\
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 12debce235e52d..2f4726d3cfcc25 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -114,7 +114,7 @@
 					    _x_, sizeof(*(ptr)));	\
 })

-#define __xchg(ptr, new, size)						\
+#define __arch_xchg(ptr, new, size)					\
 ({									\
 	__typeof__(ptr) __ptr = (ptr);					\
 	__typeof__(new) __new = (new);					\
@@ -143,7 +143,7 @@
 #define arch_xchg(ptr, x)						\
 ({									\
 	__typeof__(*(ptr)) _x_ = (x);					\
-	(__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr)));	\
+	(__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr)));	\
 })

 #define xchg32(ptr, x)							\
Acked-by: Palmer Dabbelt <redacted>
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