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