From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Fri, 16 Nov 2012 21:57:32 +0000 (-0800)
Subject: x86/ftrace: Use __pa_symbol instead of __pa on C visible symbols
X-Git-Tag: v3.9-rc1~108^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=217f155e9fc68bf2a6c58a7b47e0d1ce68d78818;p=pandora-kernel.git

x86/ftrace: Use __pa_symbol instead of __pa on C visible symbols

Instead of using __pa which is meant to be a general function for converting
virtual addresses to physical addresses we can use __pa_symbol which is the
preferred way of decoding kernel text virtual addresses to physical addresses.

In this case we are not directly converting C visible symbols however if we
know that the instruction pointer is somewhere between _text and _etext we
know that we are going to be translating an address form the kernel text
space.

Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Link: http://lkml.kernel.org/r/20121116215718.8521.24026.stgit@ahduyck-cp1.jf.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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