Re: swsusp smp problems... [was Re: swsusp: Remove arch-specific references from generic code]

[Pavel Machek]

Hi!

> > At least part of them is caused by CONFIG_MTRR. I had to disable it on
> > i386 to make it work...
> 
> Later today I'll check if that helps on x86-64.
> 
> Anyway in the meantime I have played a bit with the CPU hotplug code.
> It needs some work, but looks promising.  I've changed disable_nonboot_cpus()
> to use the CPU hotplug code and it seems to work.  Well, almost, because some
> traces of the second CPU remain in the kernel, as some things do not work
> properly (eg flush_tlb_others() is called with a mask that triggers a BUG()
> in it etc.).  This should not be difficult to get fixed, however.  Strangely enough,
> the processes still fail to freeze after the second CPU has been disabled
> (specifically one of them, which is "syslogd").  I'm going to investigate this
> more thoroughly.
> 
> Turning the second CPU back on does not work for me, but in fact I haven't
> looked at it so far.

Can youm mail me (and probably l-k) the latest diffs? I started
playing with it, too... (remember that scrap-metal machine?).

								Pavel
-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
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