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Message-ID: <51CCEC27.8050508@asianux.com> Date: Fri, 28 Jun 2013 09:51:35 +0800 From: Chen Gang <gang.chen@...anux.com> To: Chris Metcalf <cmetcalf@...era.com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Linux-Arch <linux-arch@...r.kernel.org> Subject: [PATCH] arch: tile: include: asm: add cmpxchg64() definition Need add cmpxchg64(), or will cause compiling issue. Just define it as cmpxchg(), since cmpxchg() can support 8 bytes. The related error (with allmodconfig): drivers/block/blockconsole.c: In function ‘bcon_advance_console_bytes’: drivers/block/blockconsole.c:164:2: error: implicit declaration of function ‘cmpxchg64’ [-Werror=implicit-function-declaration] Signed-off-by: Chen Gang <gang.chen@...anux.com> --- arch/tile/include/asm/cmpxchg.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h index 276f067..7688c28 100644 --- a/arch/tile/include/asm/cmpxchg.h +++ b/arch/tile/include/asm/cmpxchg.h @@ -68,6 +68,8 @@ extern unsigned long __cmpxchg_called_with_bad_pointer(void); #define tas(ptr) (xchg((ptr), 1)) +#define cmpxchg64(ptr, o, n) cmpxchg((ptr), (o), (n)) + #endif /* __ASSEMBLY__ */ #endif /* _ASM_TILE_CMPXCHG_H */ -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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