Avi Kivity wrote: > Jan Kiszka wrote: >>> But I think I see a bigger issue - if we inject an regular interrupt >>> while another is pending, then we will encounter this problem. Looks >>> like we have to enable the interrupt window after injecting an interrupt >>> if there are still pending interrupts. >>> >> >> Yeah, probably. I'm just wondering now if we can set >> exit-on-interrupt-window while the vcpu state is interruptible (ie. >> _before_ the injection). There is some entry check like this for NMIs, >> but maybe no for interrupts. Need to check. >> > > Turns out it's not necessary, since the guest eoi will cause an exit and > allow the code to request an interrupt window.
But you added explicit handling now nevertheless? > > I've added an apic test program so we can track these issues > (user/test/x86/apic.c). > That's good. BTW, your NMI race fix is still lacking support for the -no-kvm-irqchip case. Will post an according patch later today. Jan -- Siemens AG, Corporate Technology, CT SE 2 ES-OS Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
