linux-kernel - Re: [PATCH 2/2] x86/pci: Clean up usage of X86_DEV_DMA

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Message-ID: <20190411051849.GA26205@lst.de>
Date:   Thu, 11 Apr 2019 07:18:49 +0200
From:   Christoph Hellwig <hch@....de>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>, Christoph Hellwig <hch@....de>,
        linux-pci@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, Keith Busch <keith.busch@...el.com>,
        Jonathan Derrick <jonathan.derrick@...el.com>
Subject: Re: [PATCH 2/2] x86/pci: Clean up usage of X86_DEV_DMA_OPS

On Wed, Apr 10, 2019 at 04:45:01PM -0500, Bjorn Helgaas wrote:
> [+cc Keith, Jonathan (VMD guys)]
> 
> I'm OK with this from a PCI perspective.  It would be nice if
> 
>   dma_domain_list
>   dma_domain_list_lock
>   add_dma_domain()
>   del_dma_domain()
>   set_dma_domain_ops()
> 
> could all be moved to vmd.c, since they're really only used there.

I have another patch to eventually kill that, but it will need a little
more prep work and thus be delayed to the next merge window.