netdev - Re: [PATCH v2] wifi: wilc1000: Rework bus locking

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Message-ID: <87r085n8bv.fsf@kernel.org>
Date: Thu, 24 Oct 2024 12:44:52 +0300
From: Kalle Valo <kvalo@...nel.org>
To: Marek Vasut <marex@...x.de>
Cc: linux-wireless@...r.kernel.org,  "David S. Miller"
 <davem@...emloft.net>,  Adham Abozaeid <adham.abozaeid@...rochip.com>,
  Ajay Singh <ajay.kathat@...rochip.com>,  Alexis Lothoré
 <alexis.lothore@...tlin.com>,  Claudiu Beznea <claudiu.beznea@...on.dev>,
  Conor Dooley <conor+dt@...nel.org>,  Eric Dumazet <edumazet@...gle.com>,
  Jakub Kicinski <kuba@...nel.org>,  Krzysztof Kozlowski
 <krzk+dt@...nel.org>,  Paolo Abeni <pabeni@...hat.com>,  Rob Herring
 <robh@...nel.org>,  devicetree@...r.kernel.org,  netdev@...r.kernel.org
Subject: Re: [PATCH v2] wifi: wilc1000: Rework bus locking

Marek Vasut <marex@...x.de> writes:

> The bus locking in this driver is broken and produces subtle race
> condition with ksdioirqd and its mmc_claim_host()/mmc_release_host()
> usage in case of SDIO bus. Rework the locking to avoid this race
> condition.

[...]

> NOTE: I only tested the SDIO part

BTW if the patch is not yet ready to be applied to our trees it's a good
idea to mark it as RFC. That way the maintainers know that they should
skip it.

-- 
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