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Date: Sun, 31 Jul 2022 22:42:28 -0400
From: guoren@...nel.org
To: guoren@...nel.org, arnd@...db.de
Cc: linux-csky@...r.kernel.org, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>
Subject: [PATCH 1/2] csky: cmpxchg: Coding convention for BUILD_BUG()
From: Guo Ren <guoren@...ux.alibaba.com>
Use BUILD_BUG() instead of the custom bad_xchg.
Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...nel.org>
---
arch/csky/include/asm/cmpxchg.h | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/csky/include/asm/cmpxchg.h b/arch/csky/include/asm/cmpxchg.h
index 5f693fadb56c..916043b845f1 100644
--- a/arch/csky/include/asm/cmpxchg.h
+++ b/arch/csky/include/asm/cmpxchg.h
@@ -4,10 +4,9 @@
#define __ASM_CSKY_CMPXCHG_H
#ifdef CONFIG_SMP
+#include <linux/bug.h>
#include <asm/barrier.h>
-extern void __bad_xchg(void);
-
#define __xchg_relaxed(new, ptr, size) \
({ \
__typeof__(ptr) __ptr = (ptr); \
@@ -46,7 +45,7 @@ extern void __bad_xchg(void);
:); \
break; \
default: \
- __bad_xchg(); \
+ BUILD_BUG(); \
} \
__ret; \
})
@@ -76,7 +75,7 @@ extern void __bad_xchg(void);
:); \
break; \
default: \
- __bad_xchg(); \
+ BUILD_BUG(); \
} \
__ret; \
})
@@ -107,7 +106,7 @@ extern void __bad_xchg(void);
:); \
break; \
default: \
- __bad_xchg(); \
+ BUILD_BUG(); \
} \
__ret; \
})
@@ -139,7 +138,7 @@ extern void __bad_xchg(void);
:); \
break; \
default: \
- __bad_xchg(); \
+ BUILD_BUG(); \
} \
__ret; \
})
--
2.36.1
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