bool
default y
+config LOCKDEP_SUPPORT
+ bool
+ default y
+
+config STACKTRACE_SUPPORT
+ bool
+ default y
+
config SEMAPHORE_SLEEPERS
bool
default y
In particular, it is needed for the x440.
If you don't have one of these computers, you should say N here.
+ If you want to build a NUMA kernel, you must select ACPI.
config X86_BIGSMP
bool "Support for other sub-arch SMP systems with more than 8 CPUs"
help
This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
It is intended for a generic binary kernel.
+ If you want a NUMA kernel, select ACPI. We need SRAT for NUMA.
config X86_ES7000
bool "Support for Unisys ES7000 IA32 series"
config ACPI_SRAT
bool
default y
- depends on NUMA && (X86_SUMMIT || X86_GENERICARCH)
+ depends on ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
select ACPI_NUMA
config HAVE_ARCH_PARSE_SRAT
endchoice
choice
- depends on EXPERIMENTAL && !X86_PAE
+ depends on EXPERIMENTAL
prompt "Memory split" if EMBEDDED
default VMSPLIT_3G
help
config VMSPLIT_3G
bool "3G/1G user/kernel split"
config VMSPLIT_3G_OPT
+ depends on !HIGHMEM
bool "3G/1G user/kernel split (for full 1G low memory)"
config VMSPLIT_2G
bool "2G/2G user/kernel split"
bool
depends on HIGHMEM64G
default y
+ select RESOURCES_64BIT
# Common NUMA Features
config NUMA
bool "Numa Memory Allocation and Scheduler Support"
- depends on SMP && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI))
+ depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI)
default n if X86_PC
default y if (X86_NUMAQ || X86_SUMMIT)
See <file:Documentation/mtrr.txt> for more information.
config EFI
- bool "Boot from EFI support (EXPERIMENTAL)"
+ bool "Boot from EFI support"
depends on ACPI
default n
---help---
but it is independent of the system firmware. And like a reboot
you can start any kernel with it, not just Linux.
- The name comes from the similiarity to the exec system call.
+ The name comes from the similarity to the exec system call.
It is an ongoing process to be certain the hardware in a machine
is properly shutdown, so do not be surprised if this code does not
enable suspend on SMP systems. CPUs can be controlled through
/sys/devices/system/cpu.
+config COMPAT_VDSO
+ bool "Compat VDSO support"
+ default y
+ depends on !PARAVIRT
+ help
+ Map the VDSO to the predictable old-style address too.
+ ---help---
+ Say N here if you are running a sufficiently recent glibc
+ version (2.3.3 or later), to remove the high-mapped
+ VDSO mapping and to exclusively use the randomized VDSO.
+
+ If unsure, say Y.
endmenu
+config ARCH_ENABLE_MEMORY_HOTPLUG
+ def_bool y
+ depends on HIGHMEM
menu "Power management options (ACPI, APM)"
depends on !X86_VOYAGER