Re: [PATCH v9 1/2] selftests/vfio: Skip MSI tests for drivers that cannot raise interrupts

[David Matlack]

On 2026-03-17 02:42 PM, Rubin Du wrote:
> Some device drivers may not have the capability to trigger MSI/MSI-X
> interrupts from software. Add checks to skip the send_msi test and
> the MSI portion of the mix_and_match test when the driver's send_msi
> callback is NULL, allowing these drivers to still run the DMA tests.

I would prefer not to make send_msi() optional if possible. We sould
need changes like this in all future tests that want to use send_msi().

Is there really no way for the nv_falcon to do something to cause the NV
GPU to send an MSI?