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 a317d5594b6a..d74353b85aaf 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2882,6 +2882,10 @@ 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
