Re: [Xen-devel] [PATCH v6 03/18] iommu: Add iommu_intpost to control VT-d Posted-Interrupts feature

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.08.15 at 03:57, <feng.wu@xxxxxxxxx> wrote:
> VT-d Posted-Interrupts is an enhancement to CPU side Posted-Interrupt.
> With VT-d Posted-Interrupts enabled, external interrupts from
> direct-assigned devices can be delivered to guests without VMM
> intervention when guest is running in non-root mode.
> 
> This patch adds variable 'iommu_intpost' to control whether enable VT-d
> posted-interrupt or not in the generic IOMMU code.
> 
> Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>




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