linux-kernel - Re: [v8 3/3] dmaengine: add driver for Sophgo CV18XX/SG200X dmamux

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Message-ID: <b42db5e1-102c-4ab7-b439-75301c8c27de@web.de>
Date: Wed, 31 Jul 2024 10:20:58 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Inochi Amaoto <inochiama@...look.com>, dmaengine@...r.kernel.org,
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
 Albert Ou <aou@...s.berkeley.edu>, Chen Wang <unicorn_wang@...look.com>,
 Conor Dooley <conor+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Palmer Dabbelt <palmer@...belt.com>, Paul Walmsley
 <paul.walmsley@...ive.com>, Rob Herring <robh@...nel.org>,
 Vinod Koul <vkoul@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
 Jingbao Qiu <qiujingbao.dlmu@...il.com>, Jisheng Zhang <jszhang@...nel.org>,
 Liu Gui <kenneth.liu@...hgo.com>, Yixun Lan <dlan@...too.org>
Subject: Re: [v8 3/3] dmaengine: add driver for Sophgo CV18XX/SG200X dmamux

…
>> Under which circumstances would you become interested to apply a statement
>> like “guard(spinlock_irqsave)(&dmamux->lock);”?
>> https://elixir.bootlin.com/linux/v6.10.2/source/include/linux/spinlock.h#L574
…
> This is very useful and I am pretty intersted, but I am not sure it
> is suitable. Could you share some technical detail (or some documents)
> about this method?

Further applications of scope-based resource management can become more helpful,
can't they?

Would you like to take another look at corresponding information sources?

Example:
Articles by Javier Carrasco Cruz
Linux Kernel Development - Automatic Cleanup
https://javiercarrascocruz.github.io/kernel-auto-cleanup-1
June 2024

Regards,
Markus