netdev - Re: [PATCH net-next 1/4] ice: lower CPU usage of the GNSS read thread

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Message-ID: <d8de0d9c-6ccb-4fce-a954-177e6603cb46@lunn.ch>
Date:   Sat, 1 Apr 2023 20:29:55 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Michal Schmidt <mschmidt@...hat.com>
Cc:     intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Michal Michalik <michal.michalik@...el.com>,
        Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
        Karol Kolacinski <karol.kolacinski@...el.com>,
        Petr Oros <poros@...hat.com>
Subject: Re: [PATCH net-next 1/4] ice: lower CPU usage of the GNSS read thread

On Sat, Apr 01, 2023 at 07:26:56PM +0200, Michal Schmidt wrote:
> The ice-gnss-<dev_name> kernel thread, which reads data from the u-blox
> GNSS module, keep a CPU core almost 100% busy. The main reason is that
> it busy-waits for data to become available.

Hi Michal

Please could you change the patch subject. Maybe something like "Do
not busy wait in read" That gives a better idea what the patch does.

    Andrew