On 3/9/20 12:43 PM, Roman Kapl wrote:
On 3/5/20 11:37 PM, Alex Williamson wrote:
On Fri, 28 Feb 2020 13:08:00 +0100
Roman Kapl wrote:
For MSI-X interrupts, remember what the last used eventfd was (KVM
bypass vs QEMU) and only call vfio_set_irq_signaling if it has changed.
This not only hel
On 3/5/20 11:37 PM, Alex Williamson wrote:
On Fri, 28 Feb 2020 13:08:00 +0100
Roman Kapl wrote:
For MSI-X interrupts, remember what the last used eventfd was (KVM
bypass vs QEMU) and only call vfio_set_irq_signaling if it has changed.
This not only helps with performance, but it seems that in
On Fri, 28 Feb 2020 13:08:00 +0100
Roman Kapl wrote:
> For MSI-X interrupts, remember what the last used eventfd was (KVM
> bypass vs QEMU) and only call vfio_set_irq_signaling if it has changed.
>
> This not only helps with performance, but it seems that interrupts can
> be lost during VFIO_IRQ
For MSI-X interrupts, remember what the last used eventfd was (KVM
bypass vs QEMU) and only call vfio_set_irq_signaling if it has changed.
This not only helps with performance, but it seems that interrupts can
be lost during VFIO_IRQ_SET_ACTION_TRIGGER. With the 'x-no-kvm-msix'
switch and this pat