On 2014-07-23 21:42, Tang Chen wrote: > This patch only handle "L1 and L2 vm share one apic access page" situation. > > When L1 vm is running, if the shared apic access page is migrated, > mmu_notifier will > request all vcpus to exit to L0, and reload apic access page physical address > for > all the vcpus' vmcs (which is done by patch 5/6). And when it enters L2 vm, > L2's vmcs > will be updated in prepare_vmcs02() called by nested_vm_run(). So we need to > do > nothing. > > When L2 vm is running, if the shared apic access page is migrated, > mmu_notifier will > request all vcpus to exit to L0, and reload apic access page physical address > for > all L2 vmcs. And this patch requests apic access page reload in L2->L1 vmexit.
Shouldn't this patch come before we allow apic access page migration? Jan
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