linux-kernel - Re: AMD SME fails boot after "dma-mapping: direct calls for dma-iommu"

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Message-ID: <20240923151642.GA26627@lst.de>
Date: Mon, 23 Sep 2024 17:16:42 +0200
From: Christoph Hellwig <hch@....de>
To: "Alex Xu (Hello71)" <alex_y_xu@...oo.ca>
Cc: Leon Romanovsky <leon@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Christoph Hellwig <hch@....de>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: AMD SME fails boot after "dma-mapping: direct calls for
 dma-iommu"

On Mon, Sep 23, 2024 at 11:09:32AM -0400, Alex Xu (Hello71) wrote:
> Hi all,
> 
> Recently on torvalds master my ASRock B450 Pro4 with Ryzen 1600 cannot 
> boot with mem_encrypt=on. Bisect blames "dma-mapping: direct calls for 
> dma-iommu".
> 
> Let me know what further information is needed to troubleshoot this 
> issue.

Can you try the fixes already queued up here:

git://git.infradead.org/users/hch/dma-mapping.git for-next

?

> 
> Thanks,
> Alex.
---end quoted text---