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



On 12/24/20 6:53 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>



This needs an update to Documentation/admin-guide/kernel-parameters.txt


-boris




 


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