Messages in this thread | | | Date | Thu, 23 Apr 2009 20:04:19 +0200 | From | Andi Kleen <> | Subject | Re: I/O APIC: Timer through 8259A revamp |
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On Thu, Apr 23, 2009 at 10:45:03AM -0700, yuhong wrote: > > The new burst of breakage came with the invention of ACPI and its tables > > for interrupt routing for the APIC. > Yep, when NVIDIA and ATI entered the chipset market, who would have > predicted that it would cause more 8254 and APIC related troubles? Or > it would be years before it were finally fixed properly? Even worse, > ATI made chipsets before AMD and Intel introduced their 64-bit CPUs, > yet it was the x86-64 architecture where the attempts to fix the ATI > APIC 8254 timer issues were going to. Only later when it was finally > fixed properly was it backported to x86.
I'm not sure what you mean here. The ATI timer fixes were done on both i386 and x86-64.
-Andi
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