diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index cb782ac1c35d..73ce5dd07642 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -139,16 +139,21 @@ config PPC select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_PHYS_TO_DMA + select ARCH_HAS_PMEM_API if PPC64 + select ARCH_HAS_MEMBARRIER_CALLBACKS select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE select ARCH_HAS_SG_CHAIN + select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION) select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST + select ARCH_HAS_UACCESS_FLUSHCACHE if PPC64 select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAS_ZONE_DEVICE if PPC_BOOK3S_64 select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO + select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if PPC64 select ARCH_WANT_IPC_PARSE_VERSION @@ -164,6 +169,7 @@ config PPC select GENERIC_CLOCKEVENTS_BROADCAST if SMP select GENERIC_CMOS_UPDATE select GENERIC_CPU_AUTOPROBE + select GENERIC_CPU_VULNERABILITIES if PPC_BOOK3S_64 select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW_LEVEL select GENERIC_SMP_IDLE_THREAD @@ -177,8 +183,6 @@ config PPC select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK - select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION) - select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select HAVE_CBPF_JIT if !PPC64 select HAVE_CONTEXT_TRACKING if PPC64 select HAVE_DEBUG_KMEMLEAK @@ -335,7 +339,7 @@ config PPC_OF_PLATFORM_PCI default n config ARCH_SUPPORTS_DEBUG_PAGEALLOC - depends on PPC32 || PPC_STD_MMU_64 + depends on PPC32 || PPC_BOOK3S_64 def_bool y config ARCH_SUPPORTS_UPROBES @@ -722,7 +726,7 @@ config PPC_16K_PAGES config PPC_64K_PAGES bool "64k page size" - depends on !PPC_FSL_BOOK3E && (44x || PPC_STD_MMU_64 || PPC_BOOK3E_64) + depends on !PPC_FSL_BOOK3E && (44x || PPC_BOOK3S_64 || PPC_BOOK3E_64) select HAVE_ARCH_SOFT_DIRTY if PPC_BOOK3S_64 config PPC_256K_PAGES @@ -781,7 +785,7 @@ config FORCE_MAX_ZONEORDER config PPC_SUBPAGE_PROT bool "Support setting protections for 4k subpages" - depends on PPC_STD_MMU_64 && PPC_64K_PAGES + depends on PPC_BOOK3S_64 && PPC_64K_PAGES help This option adds support for a system call to allow user programs to set access permissions (read/write, readonly, or no access) @@ -865,6 +869,21 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. +config PPC_MEM_KEYS + prompt "PowerPC Memory Protection Keys" + def_bool y + depends on PPC_BOOK3S_64 + select ARCH_USES_HIGH_VMA_FLAGS + select ARCH_HAS_PKEYS + help + Memory Protection Keys provides a mechanism for enforcing + page-based protections, but without requiring modification of the + page tables when an application changes protection domains. + + For details, see Documentation/vm/protection-keys.txt + + If unsure, say y. + endmenu config ISA_DMA_API |