diff mbox series

[v8,02/24] x86/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT

Message ID 1518794738-4186-3-git-send-email-ldufour@linux.vnet.ibm.com (mailing list archive)
State Superseded, archived
Headers show
Series Speculative page faults | expand

Commit Message

Laurent Dufour Feb. 16, 2018, 3:25 p.m. UTC 
Introduce CONFIG_SPECULATIVE_PAGE_FAULT which turns on the Speculative Page
Fault handler when building for 64bits with SMP.

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

Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 52221529abf9..e7f0c6f9f877 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -29,6 +29,7 @@  config X86_64
 	select HAVE_ARCH_SOFT_DIRTY
 	select MODULES_USE_ELF_RELA
 	select X86_DEV_DMA_OPS
+	select SPECULATIVE_PAGE_FAULT if SMP
 
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