diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 19ee5f155a08..3e56c9c2f16e 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -128,14 +128,15 @@ config PPC select ARCH_HAS_HUGEPD if HUGETLB_PAGE select ARCH_HAS_MMIOWB if PPC64 select ARCH_HAS_PHYS_TO_DMA - select ARCH_HAS_PMEM_API if PPC64 + select ARCH_HAS_PMEM_API select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64 select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_MEMBARRIER_CALLBACKS - select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC64 + select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 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_UACCESS_FLUSHCACHE + select ARCH_HAS_UACCESS_MCSAFE if PPC64 select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_KEEP_MEMBLOCK @@ -183,6 +184,7 @@ config PPC select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13) select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2) select HAVE_CONTEXT_TRACKING if PPC64 + select HAVE_COPY_THREAD_TLS select HAVE_DEBUG_KMEMLEAK select HAVE_DEBUG_STACKOVERFLOW select HAVE_DYNAMIC_FTRACE @@ -568,7 +570,7 @@ config CRASH_DUMP config FA_DUMP bool "Firmware-assisted dump" - depends on PPC64 && PPC_RTAS + depends on PPC64 && (PPC_RTAS || PPC_POWERNV) select CRASH_CORE select CRASH_DUMP help @@ -579,7 +581,26 @@ config FA_DUMP is meant to be a kdump replacement offering robustness and speed not possible without system firmware assistance. - If unsure, say "N" + If unsure, say "y". Only special kernels like petitboot may + need to say "N" here. + +config PRESERVE_FA_DUMP + bool "Preserve Firmware-assisted dump" + depends on PPC64 && PPC_POWERNV && !FA_DUMP + help + On a kernel with FA_DUMP disabled, this option helps to preserve + crash data from a previously crash'ed kernel. Useful when the next + memory preserving kernel boot would process this crash data. + Petitboot kernel is the typical usecase for this option. + +config OPAL_CORE + bool "Export OPAL memory as /sys/firmware/opal/core" + depends on PPC64 && PPC_POWERNV + help + This option uses the MPIPL support in firmware to provide an + ELF core of OPAL memory after a crash. The ELF core is exported + as /sys/firmware/opal/core file which is helpful in debugging + OPAL crashes using GDB. config IRQ_ALL_CPUS bool "Distribute interrupts on all CPUs by default" @@ -1140,18 +1161,6 @@ config TASK_SIZE default "0x80000000" if PPC_8xx default "0xc0000000" -config CONSISTENT_SIZE_BOOL - bool "Set custom consistent memory pool size" - depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE - help - This option allows you to set the size of the - consistent memory pool. This pool of virtual memory - is used to make consistent memory allocations. - -config CONSISTENT_SIZE - hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL - default "0x00200000" if NOT_COHERENT_CACHE - config PIN_TLB bool "Pinned Kernel TLBs (860 ONLY)" depends on ADVANCED_OPTIONS && PPC_8xx && \ |