cvs commit: src/sys/kern sched_ule.c

Jeff Roberson jroberson at chesapeake.net
Sun Sep 30 18:44:21 PDT 2007


On Sun, 30 Sep 2007, Peter Grehan wrote:

> Hi Jeff,
>
>>> ARM has it:
> ..
>> Did you verify that it works? 
>
> No. Olivier would be able to answer though.

If you can test ULE on UP arm/powerpc I'd appreciate it.  Then we could 
add them to the set of supported architectures in ULE.

>
>> Does arm support SMP?  It looks like it does not?
>
> Don't think so.
>
>> For UP it doesn't need to wait for blocked lock to clear but it does need 
>> to set td_lock.  On UP there are no special synchronization requirements so 
>> it can happen as the very first instruction in cpu_switch.
>
> OK, I'll give it a whirl.
>
> later,
>
> Peter.
>

Thanks,
Jeff


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