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Date: Tue, 2 Jul 2013 12:07:13 +0100 From: Luis Henriques <luis.henriques@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Chris Metcalf <cmetcalf@...era.com>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 25/50] tilepro: work around module link error with gcc 4.7 3.5.7.16 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Chris Metcalf <cmetcalf@...era.com> commit 3cb3f839d306443f3d1e79b0bde1a2ad2c12b555 upstream. 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> Signed-off-by: Luis Henriques <luis.henriques@...onical.com> --- 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 dd5f0a3..b05d919 100644 --- a/arch/tile/lib/exports.c +++ b/arch/tile/lib/exports.c @@ -82,4 +82,6 @@ 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 -- 1.8.1.2 -- 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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