Re: SMP no boot in 2.1.110

Richard Gooch (Richard.Gooch@atnf.CSIRO.AU)
Sat, 25 Jul 1998 17:04:13 +1000

Linus Torvalds writes:
> On Sat, 25 Jul 1998, Richard Gooch wrote:
> >
> > If you move check_bugs() to before smp_init() then the MTRR code may
> > well cause problems.
> I changed the mtrr code to cope with it (untested of course, but my
> changes always work, ahem). But if for testing you move the two calls
> around again you need to disable the mtrr stuff (or undo my mtrr changes)
> > I would be more than happy for you to introduce an
> > architecture-specific function that gets called just before the init
> > thread is started. I could then move mtrr_init() into that function
> > for the i386 and not "pollute" the generic kernel code or make use of
> > the check_bugs() hack.
> Note that the 2.1.110 change at least makes it fairly innocuous: the mtrr
> stuff is still in check_bugs(), but at least it doesn't exist in two
> different places depending on whether you compiled for SMP or UP, so I
> don't find it too nasty at all. I just wanted to point out that if
> somebody wants to test the change, they need to worry about the mtrr
> stuff..

Hm. Can you put up a pre-patch so I can see what you've done?



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