netdev - Re: [PATCH 1/2] uio: introduce UIO_MEM_DMA

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Date: Thu, 1 Feb 2024 05:46:37 +0100
From: Christoph Hellwig <hch@....de>
To: Chris Leech <cleech@...hat.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Nilesh Javali <njavali@...vell.com>, Christoph Hellwig <hch@....de>,
	John Meneghini <jmeneghi@...hat.com>, Lee Duncan <lduncan@...e.com>,
	Mike Christie <michael.christie@...cle.com>,
	Hannes Reinecke <hare@...nel.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	GR-QLogic-Storage-Upstream@...vell.com
Subject: Re: [PATCH 1/2] uio: introduce UIO_MEM_DMA_COHERENT type

As the least horrible way out this looks ok:

Reviewed-by: Christoph Hellwig <hch@....de>

Bt maybe you can add some commentary why this mem mode exists and
why no one should be using it in new code?