Re: Please do not yell at people for trying to help you.

[Johnny Billquist <bqt%softjar.se@localhost>]

Matt,

On 2010-11-13 04:17, Matt Thomas wrote:
> The VAX now has a fast non-MP emulation of atomic_cas so that should be
> less of an issue.

I looked at this code, as well as your musings about the design. Did you 
miss one step in there, or did I miss something?

I thought that we needed to reset the address pointing location on all 
traps/exceptions, but we don't seem to be. So unless an interrupt 
actually calls the CAS function, the CAS will happily run to completion 
no matter how many intervening interrupt, exceptions and context 
switches occur.

I'm trying to see if this can be a problem, but I'm not sure. But based 
on your comments in your design, I seem to read that the idea was that 
the address pointer should be reset on every exception.

        Johnny

--
Johnny Billquist                  || "I'm on a bus
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