Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [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" |
Christoffer Dall | 662d971 | 2015-03-11 14:21:31 +0100 | [diff] [blame] | 21 | depends on MMU && OF |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 22 | select PREEMPT_NOTIFIERS |
| 23 | select ANON_INODES |
Marc Zyngier | 58d5ec8 | 2013-10-08 18:38:13 +0100 | [diff] [blame] | 24 | select HAVE_KVM_CPU_RELAX_INTERCEPT |
Mario Smarduch | 72fc36b | 2015-01-15 15:58:55 -0800 | [diff] [blame] | 25 | select HAVE_KVM_ARCH_TLB_FLUSH_ALL |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 26 | select KVM_MMIO |
| 27 | select KVM_ARM_HOST |
Mario Smarduch | 53c810c | 2015-01-15 15:58:57 -0800 | [diff] [blame] | 28 | select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
Pranith Kumar | 83fe27e | 2014-12-05 11:24:45 -0500 | [diff] [blame] | 29 | select SRCU |
Christoffer Dall | 662d971 | 2015-03-11 14:21:31 +0100 | [diff] [blame] | 30 | select MMU_NOTIFIER |
Eric Auger | 174178f | 2015-03-04 11:14:36 +0100 | [diff] [blame^] | 31 | select HAVE_KVM_EVENTFD |
| 32 | select HAVE_KVM_IRQFD |
Christoffer Dall | 662d971 | 2015-03-11 14:21:31 +0100 | [diff] [blame] | 33 | depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 34 | ---help--- |
Christoffer Dall | 662d971 | 2015-03-11 14:21:31 +0100 | [diff] [blame] | 35 | Support hosting virtualized guest machines. |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 36 | |
| 37 | This module provides access to the hardware capabilities through |
| 38 | a character device node named /dev/kvm. |
| 39 | |
| 40 | If unsure, say N. |
| 41 | |
| 42 | config KVM_ARM_HOST |
Christoffer Dall | 662d971 | 2015-03-11 14:21:31 +0100 | [diff] [blame] | 43 | bool |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 44 | ---help--- |
| 45 | Provides host support for ARM processors. |
| 46 | |
| 47 | config KVM_ARM_MAX_VCPUS |
Geoff Levand | f2dda9d | 2013-06-06 18:02:54 -0700 | [diff] [blame] | 48 | int "Number maximum supported virtual CPUs per VM" |
| 49 | depends on KVM_ARM_HOST |
| 50 | default 4 |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 51 | help |
| 52 | Static number of max supported virtual CPUs per VM. |
| 53 | |
| 54 | If you choose a high number, the vcpu structures will be quite |
| 55 | large, so only choose a reasonable number that you expect to |
| 56 | actually use. |
| 57 | |
Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 58 | endif # VIRTUALIZATION |