Re: [PATCH] 2.5.15 IDE 61

Neil Conway
2002-05-15T13:36:28Z

Alan Cox wrote:
>
> > The problem is that with the busy flag on we are wasting quite
> > a significant amount of CPU time spinning around it for no good...
>
> Why spin on the busy flag. Instead you just let the person who clears
> the flag check the pending work and do it.

Isn't that what happens? Since when are we spinning on busy? Certainly
not in vanilla 2.5.14, unless I'm much mistaken.

Martin - I haven't read your last couple of patches yet but did you
really change it this drastically?

Neil