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@xxxxxxxxxxxxxxxxxx> --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index be7aca467692..75f71b963630 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -232,6 +232,7 @@ config PPC select OLD_SIGACTION if PPC32 select OLD_SIGSUSPEND select SPARSE_IRQ + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT if PPC_BOOK3S_64 select SYSCTL_EXCEPTION_TRACE select VIRT_TO_BUS if !PPC64 # -- 2.7.4
