Re: [PATCH] Summit patch for 2.5.34

From: James Cleverdon (
Date: Mon Sep 16 2002 - 14:03:21 EST

On Monday 16 September 2002 09:15 am, Alan Cox wrote:
> > - Is this the same summit code as is in 2.4-ac ?
> > (Ie, the one that boots on non summit systems too)
> Yes

It's the same, save for a few lines of code that use the local APIC's task
priority HW to try for some better dynamic interrupt balancing.

> > - I believe the way forward here is to work with James Bottomley,
> > who has a nice abstraction of the areas your patch touches for
> > his Voyager sub-architecture.
> For 2.5 maybe not for 2.4. Until Linus takes the subarch stuff the
> if if if bits will just get uglier. As well as voyager there are at least
> two more pending NUMA x86 platforms other than IBM summit
> -

I'll have to read up on James Bottomley's x86 subarch code.

James Cleverdon
IBM xSeries Linux Solutions
{jamesclv(Unix, preferred), cleverdj(Notes)} at us dot ibm dot com

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