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Date: Tue, 20 Feb 2024 06:52:41 +0100
From: Christoph Hellwig <hch@lst.de>
To: Howard Yen <howardyen@google.com>
Cc: Christoph Hellwig <hch@lst.de>, m.szyprowski@samsung.com,
	robin.murphy@arm.com, gregkh@linuxfoundation.org,
	andriy.shevchenko@linux.intel.com, rafael@kernel.org,
	broonie@kernel.org, james@equiv.tech, james.clark@arm.com,
	masahiroy@kernel.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux.dev
Subject: Re: [PATCH v3] dma-coherent: add support for multi coherent rmems
 per dev
Message-ID: <20240220055241.GA7554@lst.de>
References: <20240208152808.3712149-1-howardyen@google.com> <20240213055426.GA22451@lst.de> <CAJDAHvZGnzKPLaovRcq_Os1Fcixp2o1kY9GFV8VXztrmKahejQ@mail.gmail.com>
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On Mon, Feb 19, 2024 at 07:12:18PM +0800, Howard Yen wrote:
> I tried to upload the patch to support multiple coherent rmems per device
> because in some system, the primary memory space for the device might
> be limited, so that add multiple coherent rmems support per device to satisfy
> the scenario.

I'm not sure what the means.

If you have non-trivial patches you really need to explain why you're
doing in detail as you need to convince maintainers that it is useful.