[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen: do not loose level interrupt notifications
On 27/10/2011 12:42, "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx> wrote: >> Is PV-HVM so different? > > Yes, it is. In the PV on HVM case we need to reassert an emulated > interrupt if the guest EOIs it without quenching the interrupt in the > ISR. > We are doing it already in the emulated code path but we are not doing > it for interrupts that have been remapped into pirqs. > > That said, if we don't care about the PV case we can simplify the patch, > I am appending a new one that only takes care of the PV on HVM case. Ah yes, when we are *emulating* an INTx line, either for an emulated device or because we are doing MSI-INTx emulation, we do have to remember to reassert. That makes sense. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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