Re: [Xen-devel] [PATCH v10 6/6] passthrough/io: Fall back to remapping interrupt when we can't use VT-d PI

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 15.03.17 at 06:11, <chao.gao@xxxxxxxxx> wrote:
> The current logic of using VT-d pi is when guest configurates the pirq's
> destination vcpu to a single vcpu, the according IRTE is updated to
> posted format. If the destination of the pirq is multiple vcpus, we just use
> interrupt remapping. Obviously, we should fall back to remapping interrupt
> when guest wrongly configurate destination of pirq or makes it have
> multi-destination vcpus.
> 
> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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