[PATCH v10 02/25] x86/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT

Laurent Dufour ldufour at linux.vnet.ibm.com
Wed Apr 18 00:33:08 AEST 2018


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

Cc: Thomas Gleixner <tglx at linutronix.de>
Signed-off-by: Laurent Dufour <ldufour at linux.vnet.ibm.com>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d8983df5a2bc..ebdeb48e4a4a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -30,6 +30,7 @@ config X86_64
 	select MODULES_USE_ELF_RELA
 	select X86_DEV_DMA_OPS
 	select ARCH_HAS_SYSCALL_WRAPPER
+	select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
 
 #
 # Arch settings
-- 
2.7.4



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