Messages in this thread | | | Date | Fri, 20 Dec 2002 13:22:13 -0800 | Subject | Re: PATCH 2.5.x disable BAR when sizing | From | (Grant Grundler) |
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On Fri, Dec 20, 2002 at 12:14:43PM -0800, Linus Torvalds wrote: > Th eone system I had myself was a Sony PCG-CR1. I don't have any pointers > to the discussion, it was in the late 2.3.x tree if I remember correctly.
tnx - I'll look for that.
> Unlikely. The IO-APIC on x86 is in that region, but it doesn't respond > from external sources, it's not actually on the PCI bus and only visible > from the CPU. And the CPU decodes that address internally and sends it on > the APIC bus and thus PCI devices simply do not matter for it.
xAPIC != APIC xAPIC ~= SAPIC AFAICT, My x86 system uses an IO-xAPIC which programmed exactly like the IO-SAPIC on IA64. i wrote the parisc IO-SAPIC support. I haven't tried to reproduce the problem seen with IA64 on this box and it's possible I just can't.
> There's no point in you arguing about this. The problem exists and is real > on x86. The patch posted IS NOT GOING IN. That's final, and there's just > no point to arguing about it.
I agree - it shouldn't.
> Alternative methods anyone?
I'll work one out with Ivan K - he usually has good ideas.
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