netdev - Re: [PATCH] net: ethernet: wiznet: Remove create

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Message-Id: <20160602.121541.1591890175711948513.davem@davemloft.net>
Date:	Thu, 02 Jun 2016 12:15:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhaktipriya96@...il.com
Cc:	akinobu.mita@...il.com, a@...table.cc,
	felipe.balbi@...ux.intel.com, fw@...len.de, tj@...nel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ethernet: wiznet: Remove create_workqueue

From: Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Date: Wed, 1 Jun 2016 23:29:15 +0530

> alloc_workqueue replaces deprecated create_workqueue().
> 
> A dedicated workqueue has been used since the workitems are involved
> in normal device operation. Workitems &priv->rx_work and &priv->tx_work,
> map to w5100_rx_work and w5100_tx_work respectively and are involved in
> receiving and transmitting packets. Forward progress under
> memory pressure is a requirement here.
> 
> create_workqueue has been replaced with alloc_workqueue with max_active
> as 0 since there is no need for throttling the number of active work
> items.
> 
> Since the driver may be used in memory reclaim path,
> WQ_MEM_RECLAIM has been set to guarantee forward progress.
> 
> flush_workqueue is unnecessary since destroy_workqueue() itself calls
> drain_workqueue() which flushes repeatedly till the workqueue
> becomes empty. Hence the call to flush_workqueue() has been dropped.
> 
> Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>

Applied to net-next, thanks.