On 2012-03-28 21:58, Eric Northup wrote: > On Wed, Mar 28, 2012 at 10:47 AM, Jan Kiszka <[email protected]> wrote: > [...] >> +4.61 KVM_SET_MSI >> + >> +Capability: KVM_CAP_SET_MSI >> +Architectures: x86 >> +Type: vm ioctl >> +Parameters: struct kvm_msi (in) >> +Returns: 0 on success, -1 on error > > Is this the actual behavior? It looked to me like the successful > return value ended up getting set by __apic_accept_irq(), which claims > to "Return 1 if successfully added and 0 if discarded".
True. And I think we want this information, e.g. to implement IRQ decoalescing for periodic HPET timers that use MSIs. Will adjust the documentations. Thanks for reviewing, Jan
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