From c1931e21816a031a5aff7084e7f10eb84e24d8cc Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Tue, 13 May 2014 20:48:57 +1000
Subject: [PATCH] powerpc/pseries: hcall functions are exported to modules,
 need _GLOBAL_TOC()

The hcall macros may call out to c code for tracing, so we need
to set up a valid r2. This fixes an oops found when testing
ibmvscsi as a module.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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