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KVM: Allow dynamic allocation of the mmu shadow cache size

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The user is now able to set how many mmu pages will be allocated to the guest.

Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Izik Eidus
2007-10-02 18:52:55 +02:00
committed by Avi Kivity
parent 195aefde9c
commit 82ce2c9683
4 changed files with 94 additions and 3 deletions
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3
include/linux/kvm.h
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@@ -347,11 +347,14 @@ struct kvm_signal_mask {
*/
#define KVM_CAP_IRQCHIP 0
#define KVM_CAP_HLT 1
#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
/*
* ioctls for VM fds
*/
#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
/*
* KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
* a vcpu fd.