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author | Suravee Suthikulpanit | 2016-05-04 21:09:42 +0200 |
---|---|---|
committer | Paolo Bonzini | 2016-05-18 18:04:26 +0200 |
commit | 03543133cea646406307870823343912c1ef0a3a (patch) | |
tree | 88d1abda922a1dec3e126abfaf8ffc68558e8964 /arch/x86 | |
parent | KVM: x86: Rename kvm_apic_get_reg to kvm_lapic_get_reg (diff) | |
download | kernel-qcow2-linux-03543133cea646406307870823343912c1ef0a3a.tar.gz kernel-qcow2-linux-03543133cea646406307870823343912c1ef0a3a.tar.xz kernel-qcow2-linux-03543133cea646406307870823343912c1ef0a3a.zip |
KVM: x86: Introducing kvm_x86_ops VM init/destroy hooks
Adding function pointers in struct kvm_x86_ops for processor-specific
layer to provide hooks for when KVM initialize and destroy VM.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/include/asm/kvm_host.h | 3 | ||||
-rw-r--r-- | arch/x86/kvm/x86.c | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index c99494b4bdf7..d644226737ee 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -848,6 +848,9 @@ struct kvm_x86_ops { bool (*cpu_has_high_real_mode_segbase)(void); void (*cpuid_update)(struct kvm_vcpu *vcpu); + int (*vm_init)(struct kvm *kvm); + void (*vm_destroy)(struct kvm *kvm); + /* Create, but do not attach this VCPU */ struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id); void (*vcpu_free)(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bcef92fc41d8..7fcaed49b3c5 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7756,6 +7756,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) kvm_page_track_init(kvm); kvm_mmu_init_vm(kvm); + if (kvm_x86_ops->vm_init) + return kvm_x86_ops->vm_init(kvm); + return 0; } @@ -7877,6 +7880,8 @@ void kvm_arch_destroy_vm(struct kvm *kvm) x86_set_memory_region(kvm, IDENTITY_PAGETABLE_PRIVATE_MEMSLOT, 0, 0); x86_set_memory_region(kvm, TSS_PRIVATE_MEMSLOT, 0, 0); } + if (kvm_x86_ops->vm_destroy) + kvm_x86_ops->vm_destroy(kvm); kvm_iommu_unmap_guest(kvm); kfree(kvm->arch.vpic); kfree(kvm->arch.vioapic); |