Thread (39 messages) 39 messages, 4 authors, 2018-01-17

Re: [PATCH v6 01/24] x86/mm: Define CONFIG_SPF

From: Thomas Gleixner <hidden>
Date: 2018-01-12 18:58:21
Also in: linux-mm, lkml

On Fri, 12 Jan 2018, Laurent Dufour wrote:
quoted hunk ↗ jump to hunk
Introduce CONFIG_SPF which turns on the Speculative Page Fault handler when
building for 64bits with SMP.

Signed-off-by: Laurent Dufour <redacted>
---
 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
Can you please put that into a generic place as

    config SPF
    	   bool

and let the architectures select it.

Also SPF could be bit more elaborate and self explaining for the causual
reader. 3 letter acronyms are reserved for non existing agencies.

Thanks,

	tglx
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