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From 0043f6d3073da1b4adc0cdfd9bf1768a58034353 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Mon, 17 Jun 2019 20:11:17 -0700
Subject: [PATCH] Only use inline asm in headers on GNU-compatible compilers
---
arch/x86/include/uapi/asm/swab.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/include/uapi/asm/swab.h b/arch/x86/include/uapi/asm/swab.h
index cd3fd8ddbe9a..2074e5d7d94d 100644
--- a/arch/x86/include/uapi/asm/swab.h
+++ b/arch/x86/include/uapi/asm/swab.h
@@ -5,6 +5,8 @@
#include <linux/types.h>
#include <linux/compiler.h>
+#ifdef __GNUC__
+
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
asm("bswapl %0" : "=r" (val) : "0" (val));
@@ -34,4 +36,6 @@ static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
}
#define __arch_swab64 __arch_swab64
+#endif /* __GNUC__ */
+
#endif /* _ASM_X86_SWAB_H */
--
2.25.0
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