Messages in this thread | | | Subject | Re: [PATCH 1/2] KVM: x86: set TMR when the interrupt is accepted | From | Paolo Bonzini <> | Date | Thu, 13 Aug 2015 09:31:48 +0200 |
| |
On 13/08/2015 08:35, Zhang, Yang Z wrote: >> You may be right. It is safe if no future hardware plans to use >> it. Let me check with our hardware team to see whether it will be >> used or not in future. > > After checking with Jun, there is no guarantee that the guest running > on another CPU will operate properly if hypervisor modify the vTMR > from another CPU. So the hypervisor should not to do it.
I guess I can cause a vmexit on level-triggered interrupts, it's not a big deal, but no weasel words, please.
What's going to break, and where is it documented?
Paolo
| |