Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for BOOK3S_64. This enables the Speculative Page Fault handler. Support is only provide for BOOK3S_64 currently because: - require CONFIG_PPC_STD_MMU because checks done in set_access_flags_filter() - require BOOK3S because we can't support for book3e_hugetlb_preload() called by update_mmu_cache() Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxx> --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 2d0be82c3061..a29887ea5383 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -238,6 +238,7 @@ config PPC select PCI_SYSCALL if PCI select RTC_LIB select SPARSE_IRQ + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT if PPC_BOOK3S_64 select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK select VIRT_TO_BUS if !PPC64 -- 2.21.0