Marc Zyngier | c3eb5b1 | 2013-07-04 13:34:32 +0100 | [diff] [blame] | 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 |
Marc Zyngier | d241aac | 2013-08-02 11:41:13 +0100 | [diff] [blame] | 24 | select HAVE_KVM_CPU_RELAX_INTERCEPT |
Mario Smarduch | 7276030 | 2015-01-15 15:59:01 -0800 | [diff] [blame] | 25 | select HAVE_KVM_ARCH_TLB_FLUSH_ALL |
Marc Zyngier | c3eb5b1 | 2013-07-04 13:34:32 +0100 | [diff] [blame] | 26 | select KVM_MMIO |
| 27 | select KVM_ARM_HOST |
| 28 | select KVM_ARM_VGIC |
| 29 | select KVM_ARM_TIMER |
Mario Smarduch | 7276030 | 2015-01-15 15:59:01 -0800 | [diff] [blame] | 30 | select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
Pranith Kumar | 83fe27e | 2014-12-05 11:24:45 -0500 | [diff] [blame] | 31 | select SRCU |
Marc Zyngier | c3eb5b1 | 2013-07-04 13:34:32 +0100 | [diff] [blame] | 32 | ---help--- |
| 33 | Support hosting virtualized guest machines. |
| 34 | |
| 35 | If unsure, say N. |
| 36 | |
| 37 | config KVM_ARM_HOST |
| 38 | bool |
| 39 | ---help--- |
| 40 | Provides host support for ARM processors. |
| 41 | |
Anup Patel | da78147 | 2013-12-12 16:12:22 +0000 | [diff] [blame] | 42 | config KVM_ARM_MAX_VCPUS |
| 43 | int "Number maximum supported virtual CPUs per VM" |
| 44 | depends on KVM_ARM_HOST |
| 45 | default 4 |
| 46 | help |
| 47 | Static number of max supported virtual CPUs per VM. |
| 48 | |
| 49 | If you choose a high number, the vcpu structures will be quite |
| 50 | large, so only choose a reasonable number that you expect to |
| 51 | actually use. |
| 52 | |
Marc Zyngier | c3eb5b1 | 2013-07-04 13:34:32 +0100 | [diff] [blame] | 53 | config KVM_ARM_VGIC |
| 54 | bool |
| 55 | depends on KVM_ARM_HOST && OF |
| 56 | select HAVE_KVM_IRQCHIP |
| 57 | ---help--- |
| 58 | Adds support for a hardware assisted, in-kernel GIC emulation. |
| 59 | |
| 60 | config KVM_ARM_TIMER |
| 61 | bool |
| 62 | depends on KVM_ARM_VGIC |
| 63 | ---help--- |
| 64 | Adds support for the Architected Timers in virtual machines. |
| 65 | |
| 66 | endif # VIRTUALIZATION |