Re: [PATCH v4 0/5] Reduce cross CPU IPI interference

[Gilad Ben-Yossef]

Hi

On Wed, Nov 23, 2011 at 3:36 AM, Chris Metcalf <cmetcalf@xxxxxxxxxx> wrote:
> On 11/22/2011 6:08 AM, Gilad Ben-Yossef wrote:
>> We have lots of infrastructure in place to partition a multi-core system such that we have a group of CPUs that are dedicated to
>
> Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
>
> I think this kind of work is very important as more and more processing
> moves to isolated cpus that need protection from miscellaneous kernel
> interrupts.  Keep at it! :-)

Thank you very much. I believe it also has some small contribution to
keeping idle CPUs idle in a multi-core system. I consider this my
personal carbon offset effort :-)

My current plan is to take a look at each invocation of on_each_cpu in
core kernel code and see if it makes sense to give it a similar
treatment.

Thanks,
Gilad

-- 
Gilad Ben-Yossef
Chief Coffee Drinker
gilad@xxxxxxxxxxxxx
Israel Cell: +972-52-8260388
US Cell: +1-973-8260388
http://benyossef.com

"Unfortunately, cache misses are an equal opportunity pain provider."
-- Mike Galbraith, LKML
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