This is a note to let you know that I've just added the patch titled
tilepro: work around module link error with gcc 4.7
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
tilepro-work-around-module-link-error-with-gcc-4.7.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 3cb3f839d306443f3d1e79b0bde1a2ad2c12b555 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <[email protected]>
Date: Sat, 15 Jun 2013 16:47:47 -0400
Subject: tilepro: work around module link error with gcc 4.7
From: Chris Metcalf <[email protected]>
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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/tile/lib/exports.c | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -89,4 +89,6 @@ uint64_t __ashrdi3(uint64_t, unsigned in
EXPORT_SYMBOL(__ashrdi3);
uint64_t __ashldi3(uint64_t, unsigned int);
EXPORT_SYMBOL(__ashldi3);
+int __ffsdi2(uint64_t);
+EXPORT_SYMBOL(__ffsdi2);
#endif
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/tilepro-work-around-module-link-error-with-gcc-4.7.patch
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