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SubjectRe: [PATCH] x86/i8259: Work around buggy legacy PIC
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On 5/14/21 10:32 AM, Thomas Gleixner wrote:
>
> That's a valid assumption. As I said, we can make IOAPIC work even w/o
> PIC. I'll have a look how much PIC assumptions are still around.
>

As far as I read, the problem isn't actually the absence of a PIC (we
definitely boot systems without PICs all the time now), but rather that
the PIC is advertised in ACPI but is buggy or absent; a similar platform
with different firmware doesn't have problem.

If my understanding of the thread is correct, it's quirk fodder.

-hpa

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