From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 12 Mar 2013 22:49:06 +0000 (+1100)
Subject: powerpc: Fix STAB initialization
X-Git-Tag: firefly_0821_release~3680^2~603^2~85
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=13938117a57f88a22f0df9722a5db7271fda85cd;p=firefly-linux-kernel-4.4.55.git

powerpc: Fix STAB initialization

Commit f5339277eb8d3aed37f12a27988366f68ab68930 accidentally removed
more than just iSeries bits and took out the call to stab_initialize()
thus breaking support for POWER3 processors.

Put it back. (Yes, nobody noticed until now ...)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org> [v3.4+]
---

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 1b6e1271719f..6ec6c1997b3a 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -759,6 +759,8 @@ void __init early_init_mmu(void)
 	/* Initialize stab / SLB management */
 	if (mmu_has_feature(MMU_FTR_SLB))
 		slb_initialize();
+	else
+		stab_initialize(get_paca()->stab_real);
 }
 
 #ifdef CONFIG_SMP