Re: [PART1 RFC v4 02/11] KVM: x86: Introducing kvm_x86_ops VM init/uninit hooks

From: Suravee Suthikulpanit
Date: Mon Apr 18 2016 - 16:40:30 EST


On 04/12/2016 03:49 AM, Radim KrÄmÃÅ wrote:
2016-04-07 03:20-0500, Suravee Suthikulpanit:
Adding function pointers in struct kvm_x86_ops for processor-specific
layer to provide hooks for when KVM initialize and un-initialize VM.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
@@ -7781,6 +7784,9 @@ static void kvm_free_vcpus(struct kvm *kvm)
kvm_for_each_vcpu(i, vcpu, kvm)

+ if (kvm_x86_ops->vm_uninit)
+ kvm_x86_ops->vm_uninit(kvm);

vm_uninit() doesn't seem to have much to do with kvm_free_vcpus(),
please call it from kvm_arch_destroy_vm().

(kvm_x86_ops.vm_destroy would be a better name then.)

Okay. I'll rename this and move the hook to be called from kvm_arch_destroy_vm().