netdev - Re: [PATCH v3 3/3] net: sched: use RCU read-side critical section in taprio

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Message-ID: <905b141a-7c7e-408b-bcd1-7935b8fdba0e@yandex.ru>
Date: Fri, 30 Aug 2024 16:48:39 +0300
From: Dmitry Antipov <dmantipov@...dex.ru>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: Vinicius Costa Gomes <vinicius.gomes@...el.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 netdev@...r.kernel.org, lvc-project@...uxtesting.org
Subject: Re: [PATCH v3 3/3] net: sched: use RCU read-side critical section in
 taprio_dump()

On 8/30/24 4:02 PM, Alexander Lobakin wrote:

> Why did you invert this condition and introduced +1 indent level?

Just to reduce amount of labels and related gotos. After adding 'unlock'
at the end of RCU critical section, it was too much of them IMHO.

> The original code doesn't have nla_nest_cancel(), why was it added?

IIUC both original and new code has 'nla_nest_start_noflag()' and
'nla_nest_{end,chancel}()' calls balanced correctly.

Dmitry