Subject: Re: Shark audio, part 6
To: Charles M. Hannum <mycroft@mit.edu>
From: Neil A. Carson <neil@causality.com>
List: port-arm32
Date: 08/12/1998 00:57:55
Charles M. Hannum wrote:
>
> >When I tried enabling interrupts in these functions (which one _should_
> >be able to), the machine fell over running lmbench (which it shouldn't).
>
> Well, I just `#if 0'd all the code that turns off interrupts during
> TLB and cache flushes, and ran lmbench, and it didn't even hiccup.
> It's conceivable that this had something to do with the
> splimp-splclock inversion that I fixed when I added splaudio, but I'm
> not sure. I definitely don't see any bug here, though.
Yep we've confirmed tonight that it seems to have gone away in more
recent kernels than my relatively prehistoric tree. I think Mark's
embedded in graphing IRQ latencies right now. Figures don't seem too bad
on the whole.
Did it help your warble at all?
Neil
--
Neil A. Carson