diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 4e9ebf65d071..2828ecde133d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -46,6 +46,7 @@ config MIPS select ARCH_DISCARD_MEMBLOCK select GENERIC_SMP_IDLE_THREAD select BUILDTIME_EXTABLE_SORT + select GENERIC_CPU_AUTOPROBE select GENERIC_CLOCKEVENTS select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC select GENERIC_CMOS_UPDATE @@ -68,6 +69,7 @@ config MIPS select HANDLE_DOMAIN_IRQ select HAVE_EXIT_THREAD select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_COPY_THREAD_TLS menu "Machine selection" @@ -1039,14 +1041,6 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool -config ARCH_HAS_ILOG2_U32 - bool - default n - -config ARCH_HAS_ILOG2_U64 - bool - default n - config GENERIC_HWEIGHT bool default y @@ -1372,6 +1366,7 @@ config CPU_LOONGSON3 select WEAK_ORDERING select WEAK_REORDERING_BEYOND_LLSC select MIPS_PGD_C0_CONTEXT + select MIPS_L1_CACHE_SHIFT_6 select GPIOLIB help The Loongson 3 processor implements the MIPS64R2 instruction @@ -2120,10 +2115,13 @@ config MIPS_VA_BITS_48 bool "48 bits virtual memory" depends on 64BIT help - Support a maximum at least 48 bits of application virtual memory. - Default is 40 bits or less, depending on the CPU. - This option result in a small memory overhead for page tables. - This option is only supported with 16k and 64k page sizes. + Support a maximum at least 48 bits of application virtual + memory. Default is 40 bits or less, depending on the CPU. + For page sizes 16k and above, this option results in a small + memory overhead for page tables. For 4k page size, a fourth + level of page tables is added which imposes both a memory + overhead as well as slower TLB fault handling. + If unsure, say N. choice @@ -2133,7 +2131,6 @@ choice config PAGE_SIZE_4KB bool "4kB" depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 - depends on !MIPS_VA_BITS_48 help This option select the standard 4kB Linux page size. On some R3000-family processors this is the only available page size. Using @@ -2982,6 +2979,7 @@ config HAVE_LATENCYTOP_SUPPORT config PGTABLE_LEVELS int + default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 default 3 if 64BIT && !PAGE_SIZE_64KB default 2 |