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 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