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sm-commit - Re: [SM-Commit] GIT changes to master cauldron by Karsten Behrmann (c8826657025d00ccd780bbf03ac4862b815d4c62)

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  • From: Juuso Alasuutari <iuso AT sourcemage.org>
  • To: sm-commit AT lists.ibiblio.org
  • Subject: Re: [SM-Commit] GIT changes to master cauldron by Karsten Behrmann (c8826657025d00ccd780bbf03ac4862b815d4c62)
  • Date: Sat, 24 Feb 2007 17:14:32 +0200

On Saturday 24 February 2007 12:18, Thomas Orgis wrote:
> Am Sat, 24 Feb 2007 11:10:19 +0200
>
> schrieb Juuso Alasuutari <iuso AT sourcemage.org>:
> > On Friday 23 February 2007 23:19, Karsten Behrmann wrote:
> > <snip>
> >
> > > +# CONFIG_SMP is not set
> >
> > linux-image-2.6.18-4-686. Multi-core CPUs are becoming commonplace and
> > the SMP setting apparently causes no harm on single-core systems. But
> > we'd still need to test this in practice too just to make sure.
>
> quoting menuconfig help:
>
> If you say N here, the kernel will run on single and
> multiprocessor
> machines, but will use only one CPU of a multiprocessor machine.
> If you say Y here, the kernel will run on many, but not
> all, singleprocessor machines. On a singleprocessor machine, the
> kernel will run faster if you say N
> here.
>
>
> So I'm more for offering both kernels. I don't know which systems are
> excluded by "many, but not all", but as long as we distribute an i486 iso
> instead of an i565 or i686 one and especiall as long as we ship a 32bit
> one (the multicores being mostly x86_64), the primary target of this iso is
> a single core 32bit processor - starting at i486 and compatibles (perhaps
> emulated in a vm)... I am used to other isos offering an smp kernel as
> additional choice. We could argue for the future if the smp or the non-smp
> kernel should be the default, but I really think we should have both.
> Producing the two should really not be the problem. Set the few different
> config vars, build, run the scripts (initrd), and just include one entry
> more for isolinux prompt.
>
> At last, smgl is about choice ...

OK, I can agree with that. After all I didn't even read the menuconfig help
before posting. :)

--
Juuso Alasuutari
[[ Source Mage GNU/Linux ]]

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