Re: 2.6.19-rc <-> ThinkPads

Linus Torvalds
2006-11-01T19:48:47Z

On Wed, 1 Nov 2006, Michael S. Tsirkin wrote:

> > I've pushed out the changes, but here is the part that may or may not
> > matter for anybody who wants to test it if they don't use git or if it
> > hasn't mirrored out yet. Michael? Martin?
>
> I pulled the latest git, and seems to work for me, thanks.
> This still could be a false negative (happened already) so I'll
> continue using this, and will post the results.

Ok, thanks.

> > Somebody should look into that case. Does anybody feel like they want to
> > learn more about the IO-APIC? Halloween is over and gone, but if you want
> > to scare small children _next_ year, telling them about the IO-APIC is
> > likely a good strategy.
>
> Hmm, sounds interesting :)
> Is this a good place to start (I'm feeling lucky hit for IO-APIC)?
> http://www.intel.com/design/chipsets/datashts/290566.htm

Yeah, that's the datasheet. Note that a lot of the IO-APIC complexity is
not so much in the programming interfaces themselves, but in keeping track
of how the heck the thing is connected (ie ExtINT vs SCI vs "normal apic
interrupt" etc).

Linus