diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 25f3b0a11ca8..8c4be1f301cf 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -601,6 +601,7 @@ config CAVIUM_OCTEON_SIMULATOR select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_HOTPLUG_CPU select SYS_HAS_CPU_CAVIUM_OCTEON help The Octeon simulator is software performance model of the Cavium @@ -615,9 +616,12 @@ config CAVIUM_OCTEON_REFERENCE_BOARD select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_HOTPLUG_CPU select SYS_HAS_EARLY_PRINTK select SYS_HAS_CPU_CAVIUM_OCTEON select SWAP_IO_SPACE + select HW_HAS_PCI + select ARCH_SUPPORTS_MSI help This option supports all of the Octeon reference boards from Cavium Networks. It builds a kernel that dynamically determines the Octeon @@ -782,8 +786,17 @@ config SYS_HAS_EARLY_PRINTK bool config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU + help + Say Y here to allow turning CPUs off and on. CPUs can be + controlled through /sys/devices/system/cpu. + (Note: power management support will enable this option + automatically on SMP systems. ) + Say N if you want to disable CPU hotplug. + +config SYS_SUPPORTS_HOTPLUG_CPU bool - default n config I8259 bool @@ -851,6 +864,11 @@ config SYS_SUPPORTS_BIG_ENDIAN config SYS_SUPPORTS_LITTLE_ENDIAN bool +config SYS_SUPPORTS_HUGETLBFS + bool + depends on CPU_SUPPORTS_HUGEPAGES && 64BIT + default y + config IRQ_CPU bool @@ -1055,6 +1073,7 @@ config CPU_MIPS64_R1 select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES help Choose this option to build a kernel for release 1 or later of the MIPS64 architecture. Many modern embedded systems with a 64-bit @@ -1074,6 +1093,7 @@ config CPU_MIPS64_R2 select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES help Choose this option to build a kernel for release 2 or later of the MIPS64 architecture. Many modern embedded systems with a 64-bit @@ -1160,6 +1180,7 @@ config CPU_R5500 select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL + select CPU_SUPPORTS_HUGEPAGES help NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV instruction set. @@ -1245,6 +1266,7 @@ config CPU_CAVIUM_OCTEON select WEAK_ORDERING select WEAK_REORDERING_BEYOND_LLSC select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES help The Cavium Octeon processor is a highly integrated chip containing many ethernet hardware widgets for networking tasks. The processor @@ -1364,6 +1386,8 @@ config CPU_SUPPORTS_32BIT_KERNEL bool config CPU_SUPPORTS_64BIT_KERNEL bool +config CPU_SUPPORTS_HUGEPAGES + bool # # Set to y for ptrace access to watch registers. @@ -2121,9 +2145,13 @@ endmenu menu "Power management options" +config ARCH_HIBERNATION_POSSIBLE + def_bool y + depends on SYS_SUPPORTS_HOTPLUG_CPU + config ARCH_SUSPEND_POSSIBLE def_bool y - depends on !SMP + depends on SYS_SUPPORTS_HOTPLUG_CPU source "kernel/power/Kconfig" |