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Re: [PATCH v3 3/5] x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery

On 1/6/21 10:39 AM, David Woodhouse wrote:
> From: David Woodhouse <dwmw@xxxxxxxxxxxx>
> It's useful to be able to test non-vector event channel delivery, to make
> sure Linux will work properly on older Xen which doesn't have it.
> It's also useful for those working on Xen and Xen-compatible hypervisors,
> because there are guest kernels still in active use which use PCI INTX
> even when vector delivery is available.
> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>



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