Re: [PATCH 1/4] IPMI: Add parameter to limit CPU usage in kipmid

[Andrew Morton <akpm@linux-foundation.org>]

On Tue, 09 Mar 2010 13:49:07 -0600
Corey Minyard <minyard@acm.org> wrote:

> Jean Delvare wrote:
> > Hi Corey, Linus,
> >
> > On Wednesday 03 March 2010 05:14:38 pm Corey Minyard wrote:
> >   
> >> From: Martin Wilck <martin.wilck@ts.fujitsu.com>
> >>
> >> In some cases kipmid can use a lot of CPU.  This adds a way to tune
> >> the CPU used by kipmid to help in those cases.  By setting
> >> kipmid_max_busy_us to a value between 100 and 500, it is possible to
> >> bring down kipmid CPU load to practically 0 without loosing too much
> >> ipmi throughput performance.  Not setting the value, or setting the
> >> value to zero, operation is unaffected.
> >>
> >> Signed-off-by: Martin Wilck <martin.wilck@ts.fujitsu.com>
> >> Cc: Jean Delvare <jdelvare@suse.de>
> >> Signed-off-by: Corey Minyard <cminyard@mvista.com>
> >> ---
> >> This patch has been discussed quite a bit, and I believe all issues with it
> >> have been resolved.  It's not great, but nobody has a better way to handle
> >> the problem.
> >>     
> >
> > I still can't see this patch in Linus' tree as of 2.6.34-rc1. It has been 
> > waiting for sooo long already, can we finally get it in? Linus, will you apply 
> > it? Or should it go through Andrew?
> >   
> It's already in Andrew's patches.  It would be good if this could go in 
> for 2.6.34, I think it has been through enough review and such.

yup, I have it queued for 2.6.34.  -rc1 caught me napping so some
scrambling is happening.