Messages in this thread | | | Subject | Re: [PATCH] x86/i8259: Work around buggy legacy PIC | From | "H. Peter Anvin" <> | Date | Fri, 14 May 2021 10:35:57 -0700 |
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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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