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Date:      Sun, 30 Sep 2007 18:47:04 -0700 (PDT)
From:      Jeff Roberson <jroberson@chesapeake.net>
To:        Peter Grehan <grehan@FreeBSD.org>
Cc:        cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>, src-committers@FreeBSD.org, cognet@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/kern sched_ule.c
Message-ID:  <20070930184601.R583@10.0.0.1>
In-Reply-To: <47004ACF.5020901@freebsd.org>
References:  <200709271639.l8RGdREd032105@repoman.freebsd.org> <46FBDFE8.9050909@freebsd.org> <20070930153101.T583@10.0.0.1> <47004ACF.5020901@freebsd.org>

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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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