[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] x2apic mode vs. interrupt remapping
Jan Beulich wrote: >>>> "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? Yeah, if the drhd list is empty, it should return 0 instead of the default 1. The condition check maybe need enhancement. Xiantao >> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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