netdev - Re: [PATCH net v2] enic: fix issues in enic

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Message-Id: <20150702.121042.1781111797127542915.davem@davemloft.net>
Date:	Thu, 02 Jul 2015 12:10:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	_govind@....com
Cc:	netdev@...r.kernel.org, ssujith@...co.com, benve@...co.com
Subject: Re: [PATCH net v2] enic: fix issues in enic_poll

From: Govindarajulu Varadarajan <_govind@....com>
Date: Wed,  1 Jul 2015 14:21:57 +0530

> In enic_poll, we clean tx and rx queues, when low latency busy socket polling
> is happening, enic_poll will only clean tx queue. After cleaning tx, it should
> return total budget for re-poll.
> 
> There is a small window between vnic_intr_unmask() and enic_poll_unlock_napi().
> In this window if an irq occurs and napi is scheduled on different cpu, it tries
> to acquire enic_poll_lock_napi() and fails. Unlock napi_poll before unmasking
> the interrupt.
> 
> v2:
> Do not change tx wonk done behaviour. Consider only rx work done for completing
> napi.
> 
> Signed-off-by: Govindarajulu Varadarajan <_govind@....com>

Applied, thanks.
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