linux-kernel - Re: [PATCH v3] dma-coherent: add support for multi coherent rmems per dev

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Message-ID: <CAJDAHvZGnzKPLaovRcq_Os1Fcixp2o1kY9GFV8VXztrmKahejQ@mail.gmail.com>
Date: Mon, 19 Feb 2024 19:12:18 +0800
From: Howard Yen <howardyen@...gle.com>
To: Christoph Hellwig <hch@....de>
Cc: m.szyprowski@...sung.com, robin.murphy@....com, gregkh@...uxfoundation.org, 
	andriy.shevchenko@...ux.intel.com, rafael@...nel.org, broonie@...nel.org, 
	james@...iv.tech, james.clark@....com, masahiroy@...nel.org, 
	linux-kernel@...r.kernel.org, iommu@...ts.linux.dev
Subject: Re: [PATCH v3] dma-coherent: add support for multi coherent rmems per dev

On Tue, Feb 13, 2024 at 1:54 PM Christoph Hellwig <hch@....de> wrote:
>
> On Thu, Feb 08, 2024 at 03:28:05PM +0000, Howard Yen wrote:
> > Add support for multiple coherent rmems per device.
>
> Why?

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.

-- 
Regards,

Howard