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

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Message-ID: <20190411133543.GO256045@google.com>
Date:   Thu, 11 Apr 2019 08:35:43 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Ingo Molnar <mingo@...nel.org>, 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 Thu, Apr 11, 2019 at 07:18:49AM +0200, Christoph Hellwig wrote:
> 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.

Awesome, thanks!  I really appreciate all the global cleanup work you do.

Bjorn