From f2296a3d297d15f6df72ebb73a90af6b643c14dc Mon Sep 17 00:00:00 2001
From: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Date: Fri, 15 Nov 2013 09:50:50 +0530
Subject: [PATCH] powerpc/powernv: Add config option for hwpoisoning.

Add config option to enable generic memory hwpoisoning infrastructure for
ppc64.

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b44b52c0a8f07..ba4730b0e2a4e 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -379,6 +379,12 @@ config ARCH_HAS_WALK_MEMORY
 config ARCH_ENABLE_MEMORY_HOTREMOVE
 	def_bool y
 
+config PPC64_SUPPORTS_MEMORY_FAILURE
+	bool "Add support for memory hwpoison"
+	depends on PPC_BOOK3S_64
+	default "y" if PPC_POWERNV
+	select ARCH_SUPPORTS_MEMORY_FAILURE
+
 config KEXEC
 	bool "kexec system call"
 	depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP))
-- 
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