From: Chris Metcalf <cmetcalf@tilera.com>
Date: Sat, 15 Jun 2013 20:47:47 +0000 (-0400)
Subject: tilepro: work around module link error with gcc 4.7
X-Git-Tag: v3.10-rc7~19^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3cb3f839d306443f3d1e79b0bde1a2ad2c12b555;p=pandora-kernel.git

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@tilera.com>
Cc: stable@kernel.org
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