From: Alexander Duyck Date: Fri, 16 Nov 2012 21:56:35 +0000 (-0800) Subject: x86: Drop 4 unnecessary calls to __pa_symbol X-Git-Tag: v3.9-rc1~108^2~23 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05a476b6e3795f205806662bf09ab95774266292;p=pandora-kernel.git x86: Drop 4 unnecessary calls to __pa_symbol While debugging the __pa_symbol inline patch I found that there were a couple spots where __pa_symbol was used as follows: __pa_symbol(x) - __pa_symbol(y) The compiler had reduced them to: x - y Since we also support a debug case where __pa_symbol is a function call it would probably be useful to just change the two cases I found so that they are always just treated as "x - y". As such I am casting the values to phys_addr_t and then doing simple subtraction so that the correct type and value is returned. Signed-off-by: Alexander Duyck Link: http://lkml.kernel.org/r/20121116215552.8521.68085.stgit@ahduyck-cp1.jf.intel.com Signed-off-by: H. Peter Anvin --- Reading git-diff-tree failed