From 2946798ed0905de19cafc23279242917066d3c49 Mon Sep 17 00:00:00 2001
From: Mahendran Ganesh <opensource.ganesh@gmail.com>
Date: Fri, 4 May 2018 14:57:48 +0800
Subject: [PATCH] FROMLIST: arm64/mm: define
 ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT

Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This
enables Speculative Page Fault handler.

Change-Id: Ic55bd1993b3af78ddac25867c5f422861079bb27
Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com>
Link: https://patchwork.kernel.org/project/linux-mm/patch/1525247602-1565-1-git-send-email-opensource.ganesh@gmail.com/
Bug: 161210518
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index cd1eb15a6232..5d6f0ccb467a 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -206,6 +206,7 @@ config ARM64
 	select SWIOTLB
 	select SYSCTL_EXCEPTION_TRACE
 	select THREAD_INFO_IN_TASK
+	select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
 	help
 	  ARM 64-bit (AArch64) Linux support.