NEW_TIME_C is set. URL to the patch is:
http://www.kernel.org/pub/linux/kernel/people/rml/preempt-kernel/v2.4/preempt-kernel-rml-2.4.19-2.patch
We ultimately want to add in real-time support, such as Ingo's O(1)
scheduler - if this is 'complete' for MIPS. I don't know if it would be
better just to go for this in one hit, or if we'd need the preemption
sorted out anyway first. Or should we just go to a 2.5.x kernel instead?
Colin
Jun Sun
<jsun@mvista.com> To:
Colin.Helliwell@Zarlink.Com
cc:
linux-mips@linux-mips.org, jsun@mvista.com
16-Dec-2002 08:45 Subject: Re: Problems with
CONFIG_PREEMPT
PM
Several possibilities:
1) Not all MIPS boards can run pre-k. At minimum, you need to use
NEW_TIME_C, Or else you have to take a lot of stuff youself.
2) Not sure if all MIPS patches are in RML's patch. If you pass the URL
pointer, I can take a look.
3) Even with all above taken care of, there are still unsolved issues
(such as math emul not pre-k safe, some cache operations, etc).
However, these problems usually are much harder to show up. You won't
see them unless you delibrately want to. :-)
Jun
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