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authorChris Metcalf <cmetcalf@tilera.com>2013-06-15 16:47:47 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-27 10:34:31 -0700
commita0631b300bac987a591ae485d8a19a08aa57b4d2 (patch)
tree60555eae6cc8ad098882708e82213dc49b78696f
parent68af5a0e5cdb5e5c9ae53af4eb6e5ab8dbdd9cb4 (diff)
tilepro: work around module link error with gcc 4.7
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@tilera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/tile/lib/exports.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
index 49284fae9d09..0996ef7ebd89 100644
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -89,4 +89,6 @@ 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