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Re: [patch net-next 16/18] mlxsw: coRE: Add mlxsw specific workqueue and use it for FDB notif. processing

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(cc'ing linux-kernel)

Hello,

On Thu, Jun 02, 2016 at 10:41:06AM +0200, Jiri Pirko wrote:
> Wed, Jun 01, 2016 at 09:42:34PM CEST, bhaktipriya96@gmail.com wrote:
> >Hi Jiri,
> >
> >I'm working on the workqueue project and I'm updating the legacy
> >workqueue interface users to use the new workqueue API.
> >
> >This patch uses create_workqueue which is deprecated and needs an
> >update.
> >
> >Your commit description says
> >"It makes sense to create separate workqueue just for mlxsw driver
> >in this case and do not pollute system_wq."
> >
> >I would like to inquire what "polluting system_wq" means.
> 
> As the number of queued items is much bigger than originally expected, I
> wanted to have a separate wq for our driver. I believe it makes sense.

Unless it can queue a very large number of concurrent work items and
thus requires explicit concurrency limit, using a dedicated wq or not
doesn't make any difference.  Sharing system_wq doesn't pollute it.
All workqueues share the same worker pools anyway.

Thanks.

-- 
tejun

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Re: [patch net-next 16/18] mlxsw: coRE: Add mlxsw specific workqueue  and use it for FDB notif. processing Tejun Heo <tj@kernel.org> - 2016-06-02 16:40 +0200

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