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SubjectRe: [PATCH v12 02/31] x86/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
On Tue, Apr 16, 2019 at 03:44:53PM +0200, Laurent Dufour wrote:
> Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT which turns on the
> Speculative Page Fault handler when building for 64bit.
>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>

I think this patch should be move as last patch in the serie so that
the feature is not enabled mid-way without all the pieces ready if
someone bisect. But i have not review everything yet so maybe it is
fine.

Reviewed-by: Jérôme Glisse <jglisse@redhat.com>

> ---
> arch/x86/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 0f2ab09da060..8bd575184d0b 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -30,6 +30,7 @@ config X86_64
> select SWIOTLB
> select X86_DEV_DMA_OPS
> select ARCH_HAS_SYSCALL_WRAPPER
> + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
>
> #
> # Arch settings
> --
> 2.21.0
>

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