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SubjectRe: [PATCH v6 01/24] x86/mm: Define CONFIG_SPF
On Fri, 12 Jan 2018, Laurent Dufour wrote:

> 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 --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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