diff options
Diffstat (limited to 'arch/sparc/Kconfig')
| -rw-r--r-- | arch/sparc/Kconfig | 133 |
1 files changed, 44 insertions, 89 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 5bf2dc163540..a630d373e645 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -13,15 +13,16 @@ config 64BIT config SPARC bool default y + select ARCH_HAS_CPU_CACHE_ALIASING + select ARCH_HAS_DMA_OPS select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI select ARCH_MIGHT_HAVE_PC_SERIO select OF select OF_PROMTREE select HAVE_ASM_MODVERSIONS - select HAVE_IDE - select HAVE_OPROFILE select HAVE_ARCH_KGDB if !SMP || SPARC64 select HAVE_ARCH_TRACEHOOK + select HAVE_ARCH_SECCOMP if SPARC64 select HAVE_EXIT_THREAD select HAVE_PCI select SYSCTL_EXCEPTION_TRACE @@ -32,44 +33,54 @@ config SPARC select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_PCI_IOMAP - select HAVE_NMI_WATCHDOG if SPARC64 + select HAS_IOPORT + select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64 select HAVE_CBPF_JIT if SPARC32 select HAVE_EBPF_JIT if SPARC64 select HAVE_DEBUG_BUGVERBOSE select GENERIC_SMP_IDLE_THREAD - select GENERIC_CLOCKEVENTS - select GENERIC_STRNCPY_FROM_USER - select GENERIC_STRNLEN_USER select MODULES_USE_ELF_RELA select PCI_SYSCALL if PCI + select PCI_MSI_ARCH_FALLBACKS if PCI_MSI select ODD_RT_SIGACTION select OLD_SIGSUSPEND select CPU_NO_EFFICIENT_FFS select LOCKDEP_SMALL if LOCKDEP select NEED_DMA_MAP_STATE select NEED_SG_DMA_LENGTH + select TRACE_IRQFLAGS_SUPPORT config SPARC32 def_bool !64BIT select ARCH_32BIT_OFF_T + select ARCH_HAS_CPU_FINALIZE_INIT if !SMP select ARCH_HAS_SYNC_DMA_FOR_CPU - select GENERIC_ATOMIC64 select CLZ_TAB + select DMA_DIRECT_REMAP + select GENERIC_ATOMIC64 + select GENERIC_LIB_CMPDI2 + select GENERIC_LIB_UCMPDI2 select HAVE_UID16 + select HAVE_PAGE_SIZE_4KB + select LOCK_MM_AND_FIND_VMA select OLD_SIGACTION + select ZONE_DMA config SPARC64 def_bool 64BIT + select ALTERNATE_USER_ADDRESS_SPACE select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_KRETPROBES select HAVE_KPROBES select MMU_GATHER_RCU_TABLE_FREE if SMP + select MMU_GATHER_MERGE_VMAS + select MMU_GATHER_NO_FLUSH_CACHE select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_DYNAMIC_FTRACE - select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_PAGE_SIZE_8KB select HAVE_SYSCALL_TRACEPOINTS - select HAVE_CONTEXT_TRACKING + select HAVE_CONTEXT_TRACKING_USER select HAVE_TIF_NOHZ select HAVE_DEBUG_KMEMLEAK select IOMMU_HELPER @@ -80,11 +91,12 @@ config SPARC64 select RTC_DRV_STARFIRE select HAVE_PERF_EVENTS select PERF_USE_VMALLOC - select IRQ_PREFLOW_FASTEOI select ARCH_HAVE_NMI_SAFE_CMPXCHG select HAVE_C_RECORDMCOUNT select HAVE_ARCH_AUDITSYSCALL select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_DEBUG_PAGEALLOC + select ARCH_SUPPORTS_HUGETLBFS select HAVE_NMI select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS @@ -94,6 +106,12 @@ config SPARC64 select ARCH_HAS_PTE_SPECIAL select PCI_DOMAINS if PCI select ARCH_HAS_GIGANTIC_PAGE + select HAVE_SOFTIRQ_ON_OWN_STACK + select HAVE_SETUP_PER_CPU_AREA + select NEED_PER_CPU_EMBED_FIRST_CHUNK + select NEED_PER_CPU_PAGE_FIRST_CHUNK + select ARCH_SUPPORTS_SCHED_SMT if SMP + select ARCH_SUPPORTS_SCHED_MC if SMP config ARCH_PROC_KCORE_TEXT def_bool y @@ -101,10 +119,6 @@ config ARCH_PROC_KCORE_TEXT config CPU_BIG_ENDIAN def_bool y -config ARCH_ATU - bool - default y if SPARC64 - config STACKTRACE_SUPPORT bool default y if SPARC64 @@ -120,15 +134,6 @@ config AUDIT_ARCH bool default y -config HAVE_SETUP_PER_CPU_AREA - def_bool y if SPARC64 - -config NEED_PER_CPU_EMBED_FIRST_CHUNK - def_bool y if SPARC64 - -config NEED_PER_CPU_PAGE_FIRST_CHUNK - def_bool y if SPARC64 - config MMU bool default y @@ -136,17 +141,7 @@ config MMU config HIGHMEM bool default y if SPARC32 - -config ZONE_DMA - bool - default y if SPARC32 - -config GENERIC_ISA_DMA - bool - default y if SPARC32 - -config ARCH_SUPPORTS_DEBUG_PAGEALLOC - def_bool y if SPARC64 + select KMAP_LOCAL config PGTABLE_LEVELS default 4 if 64BIT @@ -175,7 +170,7 @@ config SMP Management" code will be disabled if you say Y here. See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + available at <https://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -223,26 +218,11 @@ config EARLYFB bool "Support for early boot text console" default y depends on SPARC64 + select FONT_SUN8x16 + select FONT_SUPPORT help Say Y here to enable a faster early framebuffer boot console. -config SECCOMP - bool "Enable seccomp to safely compute untrusted bytecode" - depends on SPARC64 && PROC_FS - default y - help - This kernel feature is useful for number crunching applications - that may need to compute untrusted bytecode during their - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via /proc/<pid>/seccomp, it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. - - If unsure, say Y. Only embedded should say N here. - config HOTPLUG_CPU bool "Support for hot-pluggable CPUs" depends on SPARC64 && SMP @@ -281,7 +261,7 @@ config NODES_SHIFT int "Maximum NUMA Nodes (as a power of 2)" range 4 5 if SPARC64 default "5" - depends on NEED_MULTIPLE_NODES + depends on NUMA help Specify the maximum number of NUMA Nodes available on the target system. Increases memory reserved to accommodate various tables. @@ -293,42 +273,23 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y if SPARC64 -config FORCE_MAX_ZONEORDER - int "Maximum zone order" - default "13" +config ARCH_FORCE_MAX_ORDER + int "Order of maximal physically contiguous allocations" + default "12" help - The kernel memory allocator divides physically contiguous memory - blocks into "zones", where each zone is a power of two number of - pages. This option selects the largest power of two that the kernel - keeps in the memory allocator. If you need to allocate very large - blocks of physically contiguous memory, then you may need to - increase this value. + The kernel page allocator limits the size of maximal physically + contiguous allocations. The limit is called MAX_PAGE_ORDER and it + defines the maximal power of two of number of pages that can be + allocated as a single contiguous block. This option allows + overriding the default setting when ability to allocate very + large blocks of physically contiguous memory is required. - This config option is actually maximum order plus one. For example, - a value of 13 means that the largest free memory block is 2^12 pages. + Don't change if unsure. -if SPARC64 +if SPARC64 || COMPILE_TEST source "kernel/power/Kconfig" endif -config SCHED_SMT - bool "SMT (Hyperthreading) scheduler support" - depends on SPARC64 && SMP - default y - help - SMT scheduler support improves the CPU scheduler's decision making - when dealing with SPARC cpus at a cost of slightly increased overhead - in some places. If unsure say N here. - -config SCHED_MC - bool "Multi-core scheduler support" - depends on SPARC64 && SMP - default y - help - Multi-core scheduler support improves the CPU scheduler's decision - making when dealing with multi-core CPU chips at a cost of slightly - increased overhead in some places. If unsure say N here. - config CMDLINE_BOOL bool "Default bootloader kernel arguments" depends on SPARC64 @@ -510,14 +471,8 @@ config COMPAT bool depends on SPARC64 default y - select COMPAT_BINFMT_ELF select HAVE_UID16 select ARCH_WANT_OLD_COMPAT_IPC select COMPAT_OLD_SIGACTION -config SYSVIPC_COMPAT - bool - depends on COMPAT && SYSVIPC - default y - source "drivers/sbus/char/Kconfig" |