Re: Breakage caused by unreviewed patch in x86 tree

[H. Peter Anvin]

James Bottomley wrote:
> On Sun, 2008-04-27 at 15:00 -0700, H. Peter Anvin wrote:
> > James Bottomley wrote:
> > > I might add that the intel SAPIC functions
> > > in roughly the same manner, so this might break more than just voyager.
> > Are you referring to the IA64 SAPIC here, or something else?  The only 
> > mention of SAPIC in the x86 tree appear to be naming of fields in ACPI 
> > tables.
>
> Yes, that's the one ... but I believe a class of the xAPICs also used a
> similar principle.

I certainly have never seen a system on which the APIC has been mapped 
cacheable.  I would be very interested in the details, so if you could 
elaborate that would be extremely useful.

	-hpa

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