On 10/16/23 16:18, Vitaly Kuznetsov wrote:
In case keeping legacy mechanism is a must, I would suggest you somehow record the fact that the guest has opted for interrupt-based delivery (e.g. set a global variable or use a static key) and short-circuit do_async_page_fault() to immediately return and not do anything in this case.
I guess you mean "not do anything for KVM_PV_REASON_PAGE_READY in this case"?
Paolo
