From c51a6821bdbc9068adda93b3b8ee65df8e4642a6 Mon Sep 17 00:00:00 2001
From: LEROY Christophe <christophe.leroy@c-s.fr>
Date: Fri, 19 Sep 2014 10:36:10 +0200
Subject: [PATCH] powerpc/8xx: Invalidate non present TLB as early as possible

8xx sometimes need to load a invalid/non-present TLBs in
it DTLB asm handler.

These must be invalidated separaly as linux mm doesn't.

Commit 5efab4a02c89c252fb4cce097aafde5f8208dbfe was invalidating them in
arch/powerpc/mm/fault.c.
This patch does the invalidation earlier in order to free the TLB as soon as
possible. This also has the advantage of removing some 8xx specific code from
fault.c

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <scottwood@freescale.com>
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