Re: [Xen-devel] [PATCH 0/3] x2APIC improvement

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Jul 05, 2010 at 03:07:58PM +0800, Han, Weidong wrote:
> The patchset improves Xen x2APIC support. 
> 
> Patch 1/3: allocate iommu when create a drhd
>       A drhd is created when parse ACPI DMAR table, but drhd->iommu is not 
> allocated until iommu setup. But iommu is needed by x2APIC which will enable 
> interrupt remapping before iommu setup. This patch allocates iommu when 
> create drhd. And then drhd->ecap can be removed because it's the same as 
> iommu->ecap.
> 

Have these patches been tested on a machine where the number of DRHD !=
number of IOAPICs?


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