netdev - Re: [PATCH net-next v2] enic: add wq clean up budget

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Message-Id: <20171226.131047.467196232531507124.davem@davemloft.net>
Date:   Tue, 26 Dec 2017 13:10:47 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     gvaradar@...co.com
Cc:     netdev@...r.kernel.org, govindarajulu90@...il.com, benve@...co.com
Subject: Re: [PATCH net-next v2] enic: add wq clean up budget

From: Govindarajulu Varadarajan <gvaradar@...co.com>
Date: Thu, 21 Dec 2017 08:12:28 -0800

> In case of tx clean up, we set '-1' as budget. This means clean up until
> wq is empty or till (1 << 32) pkts are cleaned. Under heavy load this
> will run for long time and cause
> "watchdog: BUG: soft lockup - CPU#25 stuck for 21s!" warning.
> 
> This patch sets wq clean up budget to 256.
> 
> Signed-off-by: Govindarajulu Varadarajan <gvaradar@...co.com>
> ---
> v2: resubmit: previous discussion: https://patchwork.ozlabs.org/patch/845011/

Applied.