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Date: Sat, 15 Jun 2013 16:47:47 -0400 From: Chris Metcalf <cmetcalf@...era.com> To: <linux-kernel@...r.kernel.org> Subject: [PATCH] tilepro: work around module link error with gcc 4.7 gcc 4.7.x is emitting calls to __ffsdi2 where previously it used to inline the appropriate ctz instructions. While this needs to be fixed in gcc, it's also easy to avoid having it cause build failures when building with those compilers by exporting __ffsdi2 to modules. Signed-off-by: Chris Metcalf <cmetcalf@...era.com> Cc: stable@...nel.org --- arch/tile/lib/exports.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c index 4385cb6..a93b02a 100644 --- a/arch/tile/lib/exports.c +++ b/arch/tile/lib/exports.c @@ -84,4 +84,6 @@ uint64_t __ashrdi3(uint64_t, unsigned int); EXPORT_SYMBOL(__ashrdi3); uint64_t __ashldi3(uint64_t, unsigned int); EXPORT_SYMBOL(__ashldi3); +int __ffsdi2(uint64_t); +EXPORT_SYMBOL(__ffsdi2); #endif -- 1.7.10.3 -- 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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