Messages in this thread | | | From | Yuhong Bao <> | Subject | RE: I/O APIC: Timer through 8259A revamp | Date | Fri, 2 Oct 2009 23:51:08 -0700 |
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<20090423180419.GT13896@one.firstfloor.org> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0
> On Thu=2C Apr 23=2C 2009 at 10:45:03AM -0700=2C yuhong wrote: >>> The new burst of breakage came with the invention of ACPI and its tabl= es >>> for interrupt routing for the APIC. >> Yep=2C when NVIDIA and ATI entered the chipset market=2C 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=2C >> ATI made chipsets before AMD and Intel introduced their 64-bit CPUs=2C >> 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.
But why did it took so long to finally fix this when ATI has been making ch= ipsets since 2001? Even worse=2C why was the attempts to fix this issue going to the x86-64 br= anch when ATI was making chipsets before the AMD Athlon 64 was even release= d?
Yuhong Bao =0A= _________________________________________________________________=0A= Hotmail: Trusted email with powerful SPAM protection.=0A= http://clk.atdmt.com/GBL/go/177141665/direct/01/=
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