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Date:	Mon, 15 Sep 2014 12:25:15 -0700
From:	Greg Kroah-Hartman <>
Cc:	Greg Kroah-Hartman <>,, Paul Burton <>,
	Markos Chandras <>,
	James Hogan <>
Subject: [PATCH 3.16 076/158] MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores

3.16-stable review patch.  If anyone has any objections, please let me know.


From: Markos Chandras <>

commit 6521d9a436a62e83ce57d6be6e5484e1098c1380 upstream.

The CPS code is doing several memory loads when configuring the VPEs
from secondary cores, so the segmentation control registers must be
initialized in time otherwise the kernel will crash with strange
TLB exceptions.

Reviewed-by: Paul Burton <>
Signed-off-by: Markos Chandras <>
Signed-off-by: James Hogan <>
Signed-off-by: Greg Kroah-Hartman <>

 arch/mips/kernel/cps-vec.S |    4 ++++
 1 file changed, 4 insertions(+)

--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -13,6 +13,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/asmmacro.h>
 #include <asm/cacheops.h>
+#include <asm/eva.h>
 #include <asm/mipsregs.h>
 #include <asm/mipsmtregs.h>
 #include <asm/pm.h>
@@ -166,6 +167,9 @@ dcache_done:
 1:	jal	mips_cps_core_init
+	/* Do any EVA initialization if necessary */
+	eva_init
 	 * Boot any other VPEs within this core that should be online, and
 	 * deactivate this VPE if it should be offline.

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