linux-kernel - Re: [PATCH V2] dma-mapping: Set dma_mem pointer as NULL after it's freed

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Message-ID: <20231215113226.GC6479@lst.de>
Date: Fri, 15 Dec 2023 12:32:26 +0100
From: Christoph Hellwig <hch@....de>
To: joakim.zhang@...tech.com
Cc: hch@....de, m.szyprowski@...sung.com, robin.murphy@....com,
	iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
	cix-kernel-upstream@...tech.com
Subject: Re: [PATCH V2] dma-mapping: Set dma_mem pointer as NULL after it's
 freed

I've applied this after fixing the whitespace errors.

But we really need to get remoteporc off messing with the reserved
regions itself and retire this API entirely.