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SubjectRe: [v3 06/26] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts
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On Fri, 2014-12-12 at 23:14 +0800, Feng Wu wrote:
> We don't need to migrate the irqs for VT-d Posted-Interrupts here.
> When 'pst' is set in IRTE, the associated irq will be posted to
> guests instead of interrupt remapping. The destination of the
> interrupt is set in Posted-Interrupts Descriptor, and the migration
> happens during vCPU scheduling.
>
> However, we still update the cached irte here, which can be used
> when changing back to remapping mode.
>
> Signed-off-by: Feng Wu <feng.wu@intel.com>
> Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com>

Acked-by: David Woodhouse <David.Woodhouse@intel.com>

--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation
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