linux-kernel - Re: [PATCH] mlxsw: core: Remove deprecated create

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Date:	Wed, 8 Jun 2016 09:55:27 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:	Jiri Pirko <jiri@...lanox.com>, Ido Schimmel <idosch@...lanox.com>,
	Tejun Heo <tj@...nel.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mlxsw: core: Remove deprecated create_workqueue

Tue, Jun 07, 2016 at 09:59:46PM CEST, bhaktipriya96@...il.com wrote:
>alloc_workqueue replaces deprecated create_workqueue().
>
>A dedicated workqueue has been used since the workqueue
>mlxsw_wq is used for FDB notif. processing with workitems that are
>involved in normal device operation && because it's a network device
>which can be depended upon during memory reclaim.
>
>Workitems &trans->timeout_dw and &mlxsw_sp->fdb_notify.dw,
>map to mlxsw_sp_fdb_notify_work (processes FDB notifications from the
>underlying device and resolves the netdev to which the entry points to
>and notifies the bridge using the switchdev notifier) and
>mlxsw_emad_trans_timeout_work (provides async EMAD register access)
>respectively. They require forward progress under memory pressure and
>hence, WQ_MEM_RECLAIM has been set.
>
>Since there are only a fixed number of work items, explicit concurrency
>limit is unnecessary here.
>
>Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>

Acked-by: Jiri Pirko <jiri@...lanox.com>