Messages in this thread | | | Subject | Re: [v3 06/26] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts | From | David Woodhouse <> | Date | Wed, 28 Jan 2015 15:29:06 +0000 |
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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 [unhandled content-type:application/x-pkcs7-signature] | |