[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH][VTD] fix interrupt remapping to handle SMI RTE's with uninitialized reserved fields
Some BIOS does not zero out reserve fields in IOAPIC RTE's. clear_IO_APIC() zeroes out all RTE's except for RTE with MSI delivery type. This is a problem when the host OS converts SMI delivery type to some other type but leaving the reserved field uninitialized. This can cause interrupt remapping table out of bound error if "format" field is 1 and the uninitialized "index" field has a value that that is larger than the maximum index of interrupt remapping table. Signed-off-by: Allen Kay <allen.m.kay@xxxxxxxxx> Attachment:
vtd_11072.patch _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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