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Date: Wed, 29 May 2024 20:09:06 +0100
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Subject: Re: [net-next PATCH v4 2/7] net: ravb: Consider busypolling status
 when re-enabling interrupts
Content-Language: en-GB
To: Sergey Shtylyov <s.shtylyov@omp.ru>, "David S. Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
 =?UTF-8?Q?Niklas_S=C3=B6derlund?= <niklas.soderlund+renesas@ragnatech.se>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
 Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>,
 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
 netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
 linux-kernel@vger.kernel.org
References: <20240528150339.6791-1-paul.barker.ct@bp.renesas.com>
 <20240528150339.6791-3-paul.barker.ct@bp.renesas.com>
 <669d3b51-d068-8816-37d1-dab2ffadb250@omp.ru>
 <6bf07bb1-76c5-db5b-423b-a4c94bdf1ee3@omp.ru>
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Organization: Renesas Electronics Corporation
In-Reply-To: <6bf07bb1-76c5-db5b-423b-a4c94bdf1ee3@omp.ru>
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From: Paul Barker <paul.barker.ct@bp.renesas.com>
To: Sergey Shtylyov <s.shtylyov@omp.ru>, "David S. Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
 =?UTF-8?Q?Niklas_S=C3=B6derlund?= <niklas.soderlund+renesas@ragnatech.se>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
 Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>,
 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
 netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
 linux-kernel@vger.kernel.org
Message-ID: <3706ce73-6457-479c-ae4c-745ab73ec932@bp.renesas.com>
Subject: Re: [net-next PATCH v4 2/7] net: ravb: Consider busypolling status
 when re-enabling interrupts
References: <20240528150339.6791-1-paul.barker.ct@bp.renesas.com>
 <20240528150339.6791-3-paul.barker.ct@bp.renesas.com>
 <669d3b51-d068-8816-37d1-dab2ffadb250@omp.ru>
 <6bf07bb1-76c5-db5b-423b-a4c94bdf1ee3@omp.ru>
In-Reply-To: <6bf07bb1-76c5-db5b-423b-a4c94bdf1ee3@omp.ru>

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On 28/05/2024 17:47, Sergey Shtylyov wrote:
> On 5/28/24 7:44 PM, Sergey Shtylyov wrote:
>=20
>>> Make use of the busypolling status returned from NAPI complete to dec=
ide
>>
>>    My spellchecker/translator trip over "busypolling" -- consider usin=
g
>> "busy-polling"?
>>    And did you actually mean napi_complete_done()?
>=20
>    Ah, napi_complete() also returns a result... maybe this should be re=
worded
> as "NAPI completion"?
>=20
>>> if interrupts shall be re-enabled or not. This is useful to reduce th=
e
>>> interrupt overhead.
>>>
>>> While at it switch to using napi_complete_done() as it take into acco=
unt
>>
>>    Takes.
>>
>>> the work done when providing the busypolling status.
>>
>>    Again, "busy-polling"?

Ack to all of the above.

I used the commit message suggested by Niklas here. I'll revise it a
little for v5...

Thanks,

--=20
Paul Barker
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