RE: [2.6.0-test3] Hyperthreading gone

[Brown, Len]

Hugh,
My changes go to Marcelo via Andy.  This one has been waiting in his
staging area while he was out on vacation.  Now that he is back --
unless something broke in his tree -- I assume he'll be sending it along
to Marcelo shortly.

Cheers,
-Len

Ps. If you'd like to see the code, here it is:
Andy's tree:
http://linux-acpi.bkbits.net:8080/linux-acpi-2.4
Len's tree:
http://linux-acpi.bkbits.net:8080/to-andy-2.4

Pps. Feel free to use my intel e-mail account -- I use my yahoo account
mostly to reduce spam so I don't read it every day.

> -----Original Message-----
> From: Hugh Dickins [mailto:hugh@xxxxxxxxxxx] 
> Sent: Monday, August 11, 2003 12:53 PM
> To: Len Brown
> Cc: Florian Weimer; Grover, Andrew; Marcelo Tosatti; 
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [2.6.0-test3] Hyperthreading gone
> 
> 
> Hi Len,
> 
> On Sun, 10 Aug 2003, Florian Weimer wrote:
> > Greg Norris <haphazard@xxxxxxxxx> writes:
> > 
> > > Did you select CPU Enumeration Only, or "normal" ACPI?
> > 
> > CPU Enumeration Only.
> > 
> > > If the former, did you specify the "acpismp=force" parameter at
> > > bootup?
> > 
> > I didn't.  Previous experience (with some 2.5.x versions) indicates
> > that Linux does not support full ACPI on this machine.  The
> > documentation suggests that the command line option enables 
> full ACPI,
> > so I hesitate to do this.
> 
> Florian, at the moment, in 2.4 and in 2.6, you do have to specify the
> "acpismp=force" boot parameter to get HT to work with CPU Enumeration
> Only: it can't enable full ACPI since you don't have full 
> ACPI built in,
> so no need to hesitate.  But of course it's stupid, and the ACPI guys
> agree it's wrong and to be fixed.
> 
> Len, what's up with this?  I'm not worried about 2.6 right now, but
> 4 weeks ago you were about to submit a patch to fix this for 2.4.22,
> which is now at 2.4.22-rc2 and still behaving as broken in -pre1.
> 
> Is it time to dig out my own patch and send to Marcelo again?
> 
> Hugh
> 
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