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cf7500c0ea
Long ago MP_ioapic_info was the primary way of setting up our ioapic data structures and mp_register_ioapic was a compatibility shim for acpi code. Now the situation is reversed and and mp_register_ioapic is the primary way of setting up our ioapic data structures. Keep the setting up of ioapic data structures uniform by having mp_register_ioapic call mp_register_ioapic. This changes a few fields: - type: is now hardset to MP_IOAPIC but type had to bey MP_IOAPIC or MP_ioapic_info would not have been called. - flags: is now hard coded to MPC_APIC_USABLE. We require flags to contain at least MPC_APIC_USEBLE in MP_ioapic_info and we don't ever examine flags so dropping a few flags that might possibly exist that we have never used is harmless. - apicaddr: Unchanged - apicver: Read from the ioapic instead of using the cached hardware value in the MP table. The real hardware value will be more accurate. - apicid: Now verified to be unique and changed if it is not. If the BIOS got this right this is a noop. If the BIOS did not fixing things appears to be the better solution. This adds gsi_base and gsi_end values to our ioapics defined with the mpatable, which will make our lives simpler later since we can always assume gsi_base and gsi_end are valid. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> LKML-Reference: <1269936436-7039-10-git-send-email-ebiederm@xmission.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> |
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