From: Geert Uytterhoeven <geert@linux-m68k.org>
To: linux-m68k@vger.kernel.org, linux-next@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH -next] m68k: Add missing cmpxchg64() if CONFIG_RMW_INSNS=y
Date: Thu, 14 Mar 2013 20:30:49 +0100 [thread overview]
Message-ID: <1363289449-16116-1-git-send-email-geert@linux-m68k.org> (raw)
If CONFIG_RMW_INSNS=y:
drivers/block/blockconsole.c: In function ‘bcon_advance_console_bytes’:
drivers/block/blockconsole.c:164: error: implicit declaration of function ‘cmpxchg64’
Map cmpxchg64 to cmpxchg64_local, which is already mapped to
__cmpxchg64_local_generic, just like for the CONFIG_RMW_INSNS=n case.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
http://kisskb.ellerman.id.au/kisskb/buildresult/8398995/
arch/m68k/include/asm/cmpxchg.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/m68k/include/asm/cmpxchg.h b/arch/m68k/include/asm/cmpxchg.h
index 5c81d0e..bc755bc 100644
--- a/arch/m68k/include/asm/cmpxchg.h
+++ b/arch/m68k/include/asm/cmpxchg.h
@@ -124,6 +124,9 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
#define cmpxchg_local(ptr, o, n) \
((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
(unsigned long)(n), sizeof(*(ptr))))
+
+#define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n))
+
#else
/*
--
1.7.0.4
reply other threads:[~2013-03-14 19:31 UTC|newest]
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