cgroup: add seq_file forward declaration for struct cftype
[deliverable/linux.git] / arch / arm / kvm / Kconfig
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1#
2# KVM configuration
3#
4
5source "virt/kvm/Kconfig"
6
7menuconfig 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
17if VIRTUALIZATION
18
19config KVM
20 bool "Kernel-based Virtual Machine (KVM) support"
662d9715 21 depends on MMU && OF
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22 select PREEMPT_NOTIFIERS
23 select ANON_INODES
58d5ec8f 24 select HAVE_KVM_CPU_RELAX_INTERCEPT
72fc36b6 25 select HAVE_KVM_ARCH_TLB_FLUSH_ALL
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26 select KVM_MMIO
27 select KVM_ARM_HOST
53c810c3 28 select KVM_GENERIC_DIRTYLOG_READ_PROTECT
83fe27ea 29 select SRCU
662d9715 30 select MMU_NOTIFIER
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31 select HAVE_KVM_EVENTFD
32 select HAVE_KVM_IRQFD
662d9715 33 depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER
749cf76c 34 ---help---
662d9715 35 Support hosting virtualized guest machines.
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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
42config KVM_ARM_HOST
662d9715 43 bool
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44 ---help---
45 Provides host support for ARM processors.
46
47config KVM_ARM_MAX_VCPUS
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48 int "Number maximum supported virtual CPUs per VM"
49 depends on KVM_ARM_HOST
50 default 4
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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
749cf76c 58endif # VIRTUALIZATION
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