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    Subject[PATCH v12 02/31] x86/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
    Date
    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>
    ---
    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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