| From | Laurent Dufour <> | Subject | [PATCH v9 03/24] powerpc/mm: Define CONFIG_SPECULATIVE_PAGE_FAULT | Date | Tue, 13 Mar 2018 18:59:33 +0100 |
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Define CONFIG_SPECULATIVE_PAGE_FAULT for BOOK3S_64 and SMP. 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()
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 73ce5dd07642..acf2696a6505 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -233,6 +233,7 @@ config PPC select OLD_SIGACTION if PPC32 select OLD_SIGSUSPEND select SPARSE_IRQ + select SPECULATIVE_PAGE_FAULT if PPC_BOOK3S_64 && SMP select SYSCTL_EXCEPTION_TRACE select VIRT_TO_BUS if !PPC64 # -- 2.7.4
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