diff mbox series

[v5,01/22] x86/mm: Define CONFIG_SPF

Message ID 1507729966-10660-2-git-send-email-ldufour@linux.vnet.ibm.com (mailing list archive)
State Not Applicable
Headers show
Series Speculative page faults | expand

Commit Message

Laurent Dufour Oct. 11, 2017, 1:52 p.m. UTC 
Introduce CONFIG_SPF which turns on the Speculative Page Fault handler when
building for 64bits with SMP.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
---
 arch/x86/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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"