From owner-freebsd-mips@FreeBSD.ORG  Thu Sep 29 07:21:44 2011
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From: Adrian Chadd <adrian@freebsd.org>
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Subject: Re: eventtimer issue on mips: temporary workaround
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On 29 September 2011 14:49, Juli Mallett <jmallett@freebsd.org> wrote:

> If I'm understanding right, that's much of the thrust of the problem.
> I mean, we can check whether a non-masked interrupt was asserted
> before doing the wait, but there's still a window between that and the
> wait. =A0It sounds like we need a conditional wait instruction, which is

Yes. That's absolutely right.

> to say it sounds like the code does need a rethink for MIPS (although
> why "wait" wouldn't return immediately if there's a non-masked
> interrupt asserted is beyond me.) =A0But I'm still somewhat confused by
> the original post, so may be missing the mark on that.

No, I think you have it.



Adrian