Re: [APIC] Avoid change apic_id failure panic

[William Lee Irwin III]

William Lee Irwin III <wli@xxxxxxxxxxxxxx> wrote:
>> They're usually not insane. xAPIC's have 8-bit physical ID's, not 4-bit,
>> but no one's bothered tracking whether the APIC's found were serial APIC
>> or xAPIC, and then dispatching on that in the IO-APIC physid check to
>> avoid unnecessarily renumbering the things or panicking.

On Thu, Jun 03, 2004 at 04:44:15PM -0700, Andrew Morton wrote:
> So... what should we do?

In all likelihood, make the thing a variable or return a value based
on the result of GET_APIC_VERSION(), particularly since guessing wrong
either way takes out machines before console_init(). Returning values
based on the result of GET_APIC_VERSION() has a predecent, get_maxlvt().


-- wli
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