linux-kernel - Re: [PATCH net][RESEND] strparser: Don't schedule in workqueue in paused state

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Date:   Wed, 20 Jun 2018 10:32:10 -0700
From:   Dave Watson <davejwatson@...com>
To:     Vakul Garg <vakul.garg@....com>
CC:     <davem@...emloft.net>, <doronrk@...com>, <tom@...ntonium.net>,
        <john.fastabend@...il.com>, <netdev@...r.kernel.org>,
        <ebiggers@...gle.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net][RESEND] strparser: Don't schedule in workqueue in
 paused state

On 06/21/18 03:29 AM, Vakul Garg wrote:
> In function strp_data_ready(), it is useless to call queue_work if
> the state of strparser is already paused. The state checking should
> be done before calling queue_work. The change reduces the context
> switches and improves the ktls-rx throughput by approx 20% (measured
> on cortex-a53 based platform).

Nice find, works for me. Although current code isn't broken, just
slower, net-next would be fine.

Acked-by: Dave Watson <davejwatson@...com>