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Re: [Xen-devel] [v3 04/15] iommu: Add iommu_intpost to control VT-d Posted-Interrupts feature

> From: Wu, Feng
> Sent: Wednesday, June 24, 2015 1:18 PM
> 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>

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