[PATCH v11 02/26] x86/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT

From: Laurent Dufour
Date: Thu May 17 2018 - 06:16:18 EST


Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT which turns on the
Speculative Page Fault handler when building for 64bit.

Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx>
---
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 47e7f582f86a..603f788a3e83 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -32,6 +32,7 @@ config X86_64
select SWIOTLB
select X86_DEV_DMA_OPS
select ARCH_HAS_SYSCALL_WRAPPER
+ select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT

#
# Arch settings
--
2.7.4