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From: "bumyong.lee" <bumyong.lee@samsung.com>
To: "'Linux regressions mailing list'" <regressions@lists.linux.dev>
Cc: <dmaengine@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<parthiban@linumiz.com>, <saravanan@linumiz.com>, "'karthikeyan'"
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In-Reply-To: <07b0c5f6-1fe2-474e-a312-5eb85a14a5c8@leemhuis.info>
Subject: RE: dmaengine: CPU stalls while loading bluetooth module
Date: Wed, 20 Mar 2024 09:49:31 +0900
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Hello.

> >> Hmmm. 6.8 final is due. Is that something we can live with? Or would
> >> it be a good idea to revert above commit for now and reapply it when
> >> something better emerged? I doubt that the answer is "yes, let's do
> >> that", but I have to ask.
> >
> > I couldn't find better way now.
> > I think it's better to follow you mentioned
> 
> 6.8 is out, but that issue afaics was not resolved, so allow me to ask:
> did "submit a revert" fell through the cracks or is there some other
> solution in the works? Or am I missing something?

"submit a revert" would fix the issue. but it would make another issue
that the errata[1] 719340 described.

Sometimes dma wouldn't work well when issueing dma_issue_pending()
after dma_terminate()

Best regards

[1]: https://developer.arm.com/documentation/genc008428/latest