linux-kernel - Re: [PATCH net-next 03/16] devlink: Add devlink reload limit option

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Message-ID: <62b6436c-5f12-8362-b10f-3b19f913e08a@nvidia.com>
Date:   Sun, 4 Oct 2020 10:18:11 +0300
From:   Moshe Shemesh <moshe@...dia.com>
To:     Jakub Kicinski <kuba@...nel.org>, Jiri Pirko <jiri@...nulli.us>
CC:     Moshe Shemesh <moshe@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jiri Pirko <jiri@...dia.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 03/16] devlink: Add devlink reload limit option


On 10/3/2020 6:04 PM, Jakub Kicinski wrote:
> External email: Use caution opening links or attachments
>
>
> On Sat, 3 Oct 2020 09:51:00 +0200 Jiri Pirko wrote:
>>> enum devlink_attr {
>>>      /* don't change the order or add anything between, this is ABI! */
>>>      DEVLINK_ATTR_UNSPEC,
>>> @@ -507,6 +524,7 @@ enum devlink_attr {
>>>
>>>      DEVLINK_ATTR_RELOAD_ACTION,             /* u8 */
>>>      DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED,  /* u64 */
>>> +    DEVLINK_ATTR_RELOAD_LIMIT,      /* u8 */
>> Hmm, why there could be specified only single "limit"? I believe this
>> should be a bitfield. Same for the internal api to the driver.
> Hm I was expecting limits to be ordered (in maths sense) but you're
> right perhaps that can't be always guaranteed.
>
> Also - Moshe please double check that there will not be any kdoc
> warnings here - I just learned that W=1 builds don't check headers
> but I'll fix up my bot by the time you post v2.


Didn't know this tool, but I will. Thanks.