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kvm: powerpc: book3s: Allow the HV and PR selection per virtual machine

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This moves the kvmppc_ops callbacks to be a per VM entity. This
enables us to select HV and PR mode when creating a VM. We also
allow both kvm-hv and kvm-pr kernel module to be loaded. To
achieve this we move /dev/kvm ownership to kvm.ko module. Depending on
which KVM mode we select during VM creation we take a reference
count on respective module

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: fix coding style]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aneesh Kumar K.V 2013-10-07 22:18:01 +05:30 • committed by Alexander Graf
commit cbbc58d4fd
14 changed files with 186 additions and 90 deletions
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4
include/uapi/linux/kvm.h
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@ -518,6 +518,10 @@ struct kvm_ppc_smmu_info {
/* machine type bits, to be used as argument to KVM_CREATE_VM */
#define KVM_VM_S390_UCONTROL 1
/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
#define KVM_VM_PPC_HV 1
#define KVM_VM_PPC_PR 2
#define KVM_S390_SIE_PAGE_OFFSET 1
/*