Il 11/09/2014 16:31, Gleb Natapov ha scritto: >> > What if the page being swapped out is L1's APIC access page? We don't >> > run prepare_vmcs12 in that case because it's an L2->L0->L2 entry, so we >> > need to "do something". > We will do something on L2->L1 exit. We will call > kvm_reload_apic_access_page(). > That is what patch 5 of this series is doing.
Sorry, I meant "the APIC access page prepared by L1" for L2's execution. You wrote: > if (!is_guest_mode() || !(vmcs12->secondary_vm_exec_control & > ECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) > write(PIC_ACCESS_ADDR) > > In other words if L2 shares L1 apic access page then reload, otherwise do > nothing. but in that case you have to redo nested_get_page, so "do nothing" doesn't work. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
