On Tue, May 07, 2013 at 01:53:03AM +, Zhanghaoyu (A) wrote:
> >> >> With regard to old version linux guest(e.g., rhel-5.5), in ISR
> >> >> processing, mask and unmask msi-x vector every time, which result in
> >> >> VMEXIT, then QEMU will invoke kvm_irqchip_update_msi_route() to ask KVM
> >>
On Mon, May 06, 2013 at 01:00:09PM +0300, Michael S. Tsirkin wrote:
> On Mon, May 06, 2013 at 02:52:37AM +, Zhanghaoyu (A) wrote:
> > >> With regard to old version linux guest(e.g., rhel-5.5), in ISR
> > >> processing, mask and unmask msi-x vector every time, which result in
> > >> VMEXIT, th
>> >> With regard to old version linux guest(e.g., rhel-5.5), in ISR
>> >> processing, mask and unmask msi-x vector every time, which result in
>> >> VMEXIT, then QEMU will invoke kvm_irqchip_update_msi_route() to ask KVM
>> >> hypervisor to update the VM irq routing table. In KVM hypervisor,
>
On Mon, May 06, 2013 at 02:52:37AM +, Zhanghaoyu (A) wrote:
> >> With regard to old version linux guest(e.g., rhel-5.5), in ISR processing,
> >> mask and unmask msi-x vector every time, which result in VMEXIT, then QEMU
> >> will invoke kvm_irqchip_update_msi_route() to ask KVM hypervisor to
>> With regard to old version linux guest(e.g., rhel-5.5), in ISR processing,
>> mask and unmask msi-x vector every time, which result in VMEXIT, then QEMU
>> will invoke kvm_irqchip_update_msi_route() to ask KVM hypervisor to update
>> the VM irq routing table. In KVM hypervisor, synchronizing
On Sat, May 04, 2013 at 09:12:30AM +, Zhanghaoyu (A) wrote:
> With regard to old version linux guest(e.g., rhel-5.5), in ISR processing,
> mask and unmask msi-x vector every time, which result in VMEXIT, then QEMU
> will invoke kvm_irqchip_update_msi_route() to ask KVM hypervisor to update
>
With regard to old version linux guest(e.g., rhel-5.5), in ISR processing, mask
and unmask msi-x vector every time, which result in VMEXIT, then QEMU will
invoke kvm_irqchip_update_msi_route() to ask KVM hypervisor to update the VM
irq routing table. In KVM hypervisor, synchronizing RCU needed a