linux-kernel - Re: [PATCH V4 net-next] net: mana: Configure hwc timeout from hardware

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Message-ID: <20230719070826.GF8808@unreal>
Date:   Wed, 19 Jul 2023 10:08:26 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
        decui@...rosoft.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, longli@...rosoft.com,
        sharmaajay@...rosoft.com, cai.huoqing@...ux.dev,
        ssengar@...ux.microsoft.com, vkuznets@...hat.com,
        tglx@...utronix.de, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, schakrabarti@...rosoft.com
Subject: Re: [PATCH V4 net-next] net: mana: Configure hwc timeout from
 hardware

On Tue, Jul 18, 2023 at 11:00:32AM -0700, Souradeep Chakrabarti wrote:
> At present hwc timeout value is a fixed value. This patch sets the hwc
> timeout from the hardware. It now uses a new hardware capability
> GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG to query and set the value
> in hwc_timeout.
> 
> Signed-off-by: Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>
> ---
> V3 -> V4:
> * Changing branch to net-next.
> * Changed the commit message to 75 chars per line.
> ---
>  .../net/ethernet/microsoft/mana/gdma_main.c   | 30 ++++++++++++++++++-
>  .../net/ethernet/microsoft/mana/hw_channel.c  | 25 +++++++++++++++-
>  include/net/mana/gdma.h                       | 20 ++++++++++++-
>  include/net/mana/hw_channel.h                 |  5 ++++
>  4 files changed, 77 insertions(+), 3 deletions(-)

<...>

>  	gc->hwc.driver_data = NULL;
>  	gc->hwc.gdma_context = NULL;
> @@ -818,6 +839,7 @@ int mana_hwc_send_request(struct hw_channel_context *hwc, u32 req_len,
>  		dest_vrq = hwc->pf_dest_vrq_id;
>  		dest_vrcq = hwc->pf_dest_vrcq_id;
>  	}
> +	dev_err(hwc->dev, "HWC: timeout %u ms\n", hwc->hwc_timeout);

Why do you print this message every time and with error level?
Probably you should delete it.

Thanks