Re: flush_icache_range

Russ Anderson
2005-05-27T19:00:06Z

Grant Grundler wrote:
> On Fri, May 27, 2005 at 06:45:19PM +0200, Zoltan Menyhart wrote:
> > Anyway, due to the usage of the #ifdef CONFIG_ITANIUM's
> > and the way how they are used, I think the current kernel
> > does not support mixed Itanium 1 and 2 CPUs.
>
> I'm not sure how the HW could support given the two
> use a different system bus (Merced vs Mckinley).
>
> Even if someone made a chipset that could supported it (NumaLink?)
> they might ban such configurations to avoid getting
> dragged to the lowest common denominator in performance
> or have pay obscene amounts to test something few customers
> will actually use.

SGI does not mix Merced & McKinley in the same NUMAlinked system.

--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@sgi.com