netdev - RE: [Intel-wired-lan] [PATCH net-next v2 0/6] ice: lower CPU usage with GNSS

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Message-ID: <CO1PR11MB5028938B5F57E9AEE0ED1578A0639@CO1PR11MB5028.namprd11.prod.outlook.com>
Date:   Thu, 20 Apr 2023 20:59:24 +0000
From:   "Mekala, SunithaX D" <sunithax.d.mekala@...el.com>
To:     mschmidt <mschmidt@...hat.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     Andrew Lunn <andrew@...n.ch>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Kolacinski, Karol" <karol.kolacinski@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
        Simon Horman <simon.horman@...igine.com>
Subject: RE: [Intel-wired-lan] [PATCH net-next v2 0/6] ice: lower CPU usage
 with GNSS

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Michal Schmidt
> Sent: Wednesday, April 12, 2023 1:19 AM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Andrew Lunn <andrew@...n.ch>; netdev@...r.kernel.org; Brandeburg, Jesse <jesse.brandeburg@...el.com>; Kolacinski, Karol <karol.kolacinski@...el.com>; Nguyen, Anthony L <anthony.l.nguyen@...el.com>; Simon Horman <simon.horman@...igine.com>
> Subject: [Intel-wired-lan] [PATCH net-next v2 0/6] ice: lower CPU usage with GNSS
>
> This series lowers the CPU usage of the ice driver when using its provided /dev/gnss*.
>
> v2:
>  - Changed subject of patch 1. Requested by Andrew Lunn.
>  - Added patch 2 to change the polling interval as recommended by Intel.
>  - Added patch 3 to remove sq_cmd_timeout as suggested by Simon Horman.
>
> Michal Schmidt (6):
>  ice: do not busy-wait to read GNSS data
>   ice: increase the GNSS data polling interval to 20 ms
>   ice: remove ice_ctl_q_info::sq_cmd_timeout
>   ice: sleep, don't busy-wait, for ICE_CTL_Q_SQ_CMD_TIMEOUT
>   ice: remove unused buffer copy code in ice_sq_send_cmd_retry()
>   ice: sleep, don't busy-wait, in the SQ send retry loop
>
>  drivers/net/ethernet/intel/ice/ice_common.c   | 29 +++++--------
>  drivers/net/ethernet/intel/ice/ice_controlq.c | 12 +++---  drivers/net/ethernet/intel/ice/ice_controlq.h |  3 +-
>  drivers/net/ethernet/intel/ice/ice_gnss.c     | 42 +++++++++----------
>  drivers/net/ethernet/intel/ice/ice_gnss.h     |  3 +-
>  5 files changed, 36 insertions(+), 53 deletions(-)
>
Tested-by: Sunitha Mekala <sunithax.d.mekala@...el.com> (A Contingent worker at Intel)