RE: [Xen-devel] [PATCH]x86:x2apic: Disable x2apic on x86-32 permanently

["Wei, Gang" <gang.wei@xxxxxxxxx>]

Keir Fraser wrote on 2011-01-21:
> Could you give more info on the bug, such as a backtrace? I wonder
> whether this might be better fixed in some more elegant way. Also I
> can't eyeball where
> map_domain_page() is being called during x2apic setup.

Just FYI.

x2apic_bsp_setup -> iommu_enable_IR -> enable_qinval-> alloc_pgtable_maddr-> 
__map_domain_page.

Jimmy



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