Re: [RFC] sched: implement the exclusive wait queue as a LIFO queue
From: David Howells
Date: Wed Apr 28 2010 - 11:02:42 EST
Changli Gao <xiaosuo@xxxxxxxxx> wrote:
> > How often do the two actually mix? And if they do, is that really an
> > error?
>
> The sock.sk_sleep is used by exclusive and non-exclusive wait queues.
> exclusive and non-exclusive is identified by wait queues, not wait
> queue heads. Maybe there is a historical reason. It is much like a
> hack.
But is it actually used in both modes at the same time?
David
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