bool
default y
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ bool
+ default y
+
config HAVE_SETUP_PER_CPU_AREA
def_bool PPC64
config TRACE_IRQFLAGS_SUPPORT
bool
- depends on PPC64
default y
config LOCKDEP_SUPPORT
bool
default y
-config GENERIC_CALIBRATE_DELAY
- bool
- default y
-
config GENERIC_FIND_NEXT_BIT
bool
default y
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_OPROFILE
select HAVE_SYSCALL_WRAPPERS if PPC64
+ select GENERIC_ATOMIC64 if PPC32
+ select HAVE_PERF_COUNTERS
config EARLY_PRINTK
bool
default y if PMAC_APM_EMU
bool
+config DTC
+ bool
+ default y
+
config DEFAULT_UIMAGE
bool
help
depends on PPC64 # not supported on 32 bits yet
default n
+config ARCH_SUPPORTS_DEBUG_PAGEALLOC
+ def_bool y
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
config IOMMU_HELPER
def_bool PPC64
+config SWIOTLB
+ bool "SWIOTLB support"
+ default n
+ select IOMMU_HELPER
+ ---help---
+ Support for IO bounce buffering for systems without an IOMMU.
+ This allows us to DMA to the full physical address space on
+ platforms where the size of a physical address is larger
+ than the bus address. Not all platforms support this.
+
config PPC_NEED_DMA_SYNC_OPS
def_bool y
- depends on NOT_COHERENT_CACHE
+ depends on (NOT_COHERENT_CACHE || SWIOTLB)
config HOTPLUG_CPU
bool "Support for enabling/disabling CPUs"
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
- depends on BOOK3S && EXPERIMENTAL
+ depends on PPC_BOOK3S && EXPERIMENTAL
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
help
Hypervisor-assisted dump is meant to be a kdump replacement
offering robustness and speed not possible without system
- hypervisor assistence.
+ hypervisor assistance.
If unsure, say "N"
config PPC_256K_PAGES
bool "256k page size" if 44x
- depends on !STDBINUTILS && (!SHMEM || BROKEN)
+ depends on !STDBINUTILS
help
Make the page size 256k.
default "0x80000000" if PPC_PREP || 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 && 8xx