Re: [patch] sched: fix scheduling latencies for !PREEMPT kernels

Lee Revell
2004-09-15T02:59:44Z

On Tue, 2004-09-14 at 22:36, William Lee Irwin III wrote:
> I have neither of these locally. I suspect someone needs to care enough
> about the code for anything to happen soon. I suppose there are things
> that probably weren't tried, e.g. auditing to make sure dependencies on
> external synchronization are taken care of, removing implicit sleeping
> with the BKL held, then punt a private recursive spinlock in reiser3's
> direction. Not sure what went on, or if I want to get involved in this
> particular case.
>

There isn't really any information in the archives about what was
tried. Here's Andrew's message:

http://lkml.org/lkml/2004/7/12/266

And Hans':

http://lkml.org/lkml/2004/8/10/320

I suspect that "Use reiser4 (or ext3) if you care about latency" is a
good enough answer for most people.

Lee