diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d7b09b064a8a..8094a01974cc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -133,6 +133,7 @@ config PPC select ARCH_HAS_DEBUG_WX if STRICT_KERNEL_RWX select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_DMA_MAP_DIRECT if PPC_PSERIES + select ARCH_HAS_DMA_OPS if PPC64 select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_KCOV @@ -185,7 +186,6 @@ config PPC select CPUMASK_OFFSTACK if NR_CPUS >= 8192 select DCACHE_WORD_ACCESS if PPC64 && CPU_LITTLE_ENDIAN select DMA_OPS_BYPASS if PPC64 - select DMA_OPS if PPC64 select DYNAMIC_FTRACE if FUNCTION_TRACER select EDAC_ATOMIC_SCRUB select EDAC_SUPPORT @@ -269,6 +269,7 @@ config PPC select HAVE_PERF_EVENTS_NMI if PPC64 select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP + select HAVE_RETHOOK if KPROBES select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RELIABLE_STACKTRACE select HAVE_RSEQ @@ -311,6 +312,7 @@ config PPC select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK select TRACE_IRQFLAGS_SUPPORT + select VDSO_GETRANDOM # # Please keep this list sorted alphabetically. # @@ -853,8 +855,8 @@ config DATA_SHIFT_BOOL bool "Set custom data alignment" depends on ADVANCED_OPTIONS depends on STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE - depends on PPC_BOOK3S_32 || (PPC_8xx && !PIN_TLB_DATA && !STRICT_KERNEL_RWX) || \ - PPC_85xx + depends on (PPC_8xx && !PIN_TLB_DATA && (!STRICT_KERNEL_RWX || !PIN_TLB_TEXT)) || \ + PPC_BOOK3S_32 || PPC_85xx help This option allows you to set the kernel data alignment. When RAM is mapped by blocks, the alignment needs to fit the size and @@ -870,9 +872,9 @@ config DATA_SHIFT range 20 24 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_85xx default 22 if STRICT_KERNEL_RWX && PPC_BOOK3S_32 default 18 if (DEBUG_PAGEALLOC || KFENCE) && PPC_BOOK3S_32 - default 23 if STRICT_KERNEL_RWX && PPC_8xx - default 23 if (DEBUG_PAGEALLOC || KFENCE) && PPC_8xx && PIN_TLB_DATA - default 19 if (DEBUG_PAGEALLOC || KFENCE) && PPC_8xx + default 23 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_8xx && \ + (PIN_TLB_DATA || PIN_TLB_TEXT) + default 19 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_8xx default 24 if STRICT_KERNEL_RWX && PPC_85xx default PAGE_SHIFT help @@ -1026,6 +1028,10 @@ config PPC_MEM_KEYS If unsure, say y. +config ARCH_PKEY_BITS + int + default 5 + config PPC_SECURE_BOOT prompt "Enable secure boot support" bool @@ -1269,8 +1275,27 @@ config TASK_SIZE_BOOL config TASK_SIZE hex "Size of user task space" if TASK_SIZE_BOOL default "0x80000000" if PPC_8xx - default "0xb0000000" if PPC_BOOK3S_32 + default "0xb0000000" if PPC_BOOK3S_32 && EXECMEM default "0xc0000000" + +config MODULES_SIZE_BOOL + bool "Set custom size for modules/execmem area" + depends on EXECMEM && ADVANCED_OPTIONS + help + This option allows you to set the size of kernel virtual address + space dedicated for modules/execmem. + For the time being it is only for 8xx and book3s/32. Other + platform share it with vmalloc space. + + Say N here unless you know what you are doing. + +config MODULES_SIZE + int "Size of modules/execmem area (In Mbytes)" if MODULES_SIZE_BOOL + range 1 256 if EXECMEM + default 64 if EXECMEM && PPC_BOOK3S_32 + default 32 if EXECMEM && PPC_8xx + default 0 + endmenu if PPC64 |