[deliverable/linux.git] / arch / arm64 / kvm / Kconfig

#
# KVM configuration
#

source "virt/kvm/Kconfig"

menuconfig VIRTUALIZATION
	bool "Virtualization"
	---help---
	  Say Y here to get to see options for using your Linux host to run
	  other operating systems inside virtual machines (guests).
	  This option alone does not add any kernel code.

	  If you say N, all options in this submenu will be skipped and
	  disabled.

if VIRTUALIZATION

config KVM
	bool "Kernel-based Virtual Machine (KVM) support"
	select MMU_NOTIFIER
	select PREEMPT_NOTIFIERS
	select ANON_INODES
	select HAVE_KVM_CPU_RELAX_INTERCEPT
	select HAVE_KVM_ARCH_TLB_FLUSH_ALL
	select KVM_MMIO
	select KVM_ARM_HOST
	select KVM_ARM_VGIC
	select KVM_ARM_TIMER
	select KVM_GENERIC_DIRTYLOG_READ_PROTECT
	---help---
	  Support hosting virtualized guest machines.

	  If unsure, say N.

config KVM_ARM_HOST
	bool
	---help---
	  Provides host support for ARM processors.

config KVM_ARM_MAX_VCPUS
	int "Number maximum supported virtual CPUs per VM"
	depends on KVM_ARM_HOST
	default 4
	help
	  Static number of max supported virtual CPUs per VM.

	  If you choose a high number, the vcpu structures will be quite
	  large, so only choose a reasonable number that you expect to
	  actually use.

config KVM_ARM_VGIC
	bool
	depends on KVM_ARM_HOST && OF
	select HAVE_KVM_IRQCHIP
	---help---
	  Adds support for a hardware assisted, in-kernel GIC emulation.

config KVM_ARM_TIMER
	bool
	depends on KVM_ARM_VGIC
	---help---
	  Adds support for the Architected Timers in virtual machines.

endif # VIRTUALIZATION
Commit	Line	Data
c3eb5b14 MZ	1	#
	2	# KVM configuration
	3	#
	4
	5	source "virt/kvm/Kconfig"
	6
	7	menuconfig VIRTUALIZATION
	8	bool "Virtualization"
	9	---help---
	10	Say Y here to get to see options for using your Linux host to run
	11	other operating systems inside virtual machines (guests).
	12	This option alone does not add any kernel code.
	13
	14	If you say N, all options in this submenu will be skipped and
	15	disabled.
	16
	17	if VIRTUALIZATION
	18
	19	config KVM
	20	bool "Kernel-based Virtual Machine (KVM) support"
	21	select MMU_NOTIFIER
	22	select PREEMPT_NOTIFIERS
	23	select ANON_INODES
d241aac7	24	select HAVE_KVM_CPU_RELAX_INTERCEPT
7276030a	25	select HAVE_KVM_ARCH_TLB_FLUSH_ALL
c3eb5b14 MZ	26	select KVM_MMIO
	27	select KVM_ARM_HOST
	28	select KVM_ARM_VGIC
	29	select KVM_ARM_TIMER
7276030a	30	select KVM_GENERIC_DIRTYLOG_READ_PROTECT
c3eb5b14 MZ	31	---help---
	32	Support hosting virtualized guest machines.
	33
	34	If unsure, say N.
	35
	36	config KVM_ARM_HOST
	37	bool
	38	---help---
	39	Provides host support for ARM processors.
	40
da781470 AP	41	config KVM_ARM_MAX_VCPUS
	42	int "Number maximum supported virtual CPUs per VM"
	43	depends on KVM_ARM_HOST
	44	default 4
	45	help
	46	Static number of max supported virtual CPUs per VM.
	47
	48	If you choose a high number, the vcpu structures will be quite
	49	large, so only choose a reasonable number that you expect to
	50	actually use.
	51
c3eb5b14 MZ	52	config KVM_ARM_VGIC
	53	bool
	54	depends on KVM_ARM_HOST && OF
	55	select HAVE_KVM_IRQCHIP
	56	---help---
	57	Adds support for a hardware assisted, in-kernel GIC emulation.
	58
	59	config KVM_ARM_TIMER
	60	bool
	61	depends on KVM_ARM_VGIC
	62	---help---
	63	Adds support for the Architected Timers in virtual machines.
	64
	65	endif # VIRTUALIZATION