Introduce CONFIG_SPF which turns on the Speculative Page Fault handler when building for 64bits with SMP.
Signed-off-by: Laurent Dufour <lduf...@linux.vnet.ibm.com> --- arch/x86/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 063f1e0d51aa..a726618b7018 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2865,6 +2865,10 @@ config X86_DMA_REMAP config HAVE_GENERIC_GUP def_bool y +config SPF + def_bool y + depends on X86_64 && SMP + source "net/Kconfig" source "drivers/Kconfig" -- 2.7.4