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Date: Thu, 1 Feb 2024 07:03:58 -0800
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Chris Leech <cleech@redhat.com>, Nilesh Javali <njavali@marvell.com>,
	John Meneghini <jmeneghi@redhat.com>, Lee Duncan <lduncan@suse.com>,
	Mike Christie <michael.christie@oracle.com>,
	Hannes Reinecke <hare@kernel.org>, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	GR-QLogic-Storage-Upstream@marvell.com
Subject: Re: [PATCH 1/2] uio: introduce UIO_MEM_DMA_COHERENT type
Message-ID: <2024020125-bunt-nearest-242b@gregkh>
References: <20240131191732.3247996-1-cleech@redhat.com>
 <20240131191732.3247996-2-cleech@redhat.com>
 <20240201044637.GC14176@lst.de>
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In-Reply-To: <20240201044637.GC14176@lst.de>

On Thu, Feb 01, 2024 at 05:46:37AM +0100, Christoph Hellwig wrote:
> As the least horrible way out this looks ok:
> 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> 
> Bt maybe you can add some commentary why this mem mode exists and
> why no one should be using it in new code?
> 

Good idea, and perhaps a kernel log warning when this is used as well
just to prevent anyone new from ever considering it.

thanks,

greg k-h