RE: [Xen-devel] x2apic mode vs. interrupt remapping

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> 03.03.10 15:09 >>>
>When iommu_supports_eim is called in enable_x2apic, drhd is already
>parsed in acpi_boot_init,

Provided there is any - in the given case there is none. Perhaps the
function should also return 0 if the list of drhd-s is empty?

>so iommu_supports_eim should return hardware's real capability. That
>is to say, if eim is no supported on platform, x2apic shouldn't be
>enabled at all. 

Jan


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