linux-kernel - Re: use generic dma-direct and swiotlb code for x86 V3

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Message-ID: <20180320083751.nrpt64dsmpqbhzc6@gmail.com>
Date:   Tue, 20 Mar 2018 09:37:51 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, x86@...nel.org,
        Tom Lendacky <thomas.lendacky@....com>,
        David Woodhouse <dwmw2@...radead.org>,
        Muli Ben-Yehuda <mulix@...ix.org>,
        Jon Mason <jdmason@...zu.us>, Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: use generic dma-direct and swiotlb code for x86 V3


* Christoph Hellwig <hch@....de> wrote:

> On Mon, Mar 19, 2018 at 11:27:37AM -0400, Konrad Rzeszutek Wilk wrote:
> > On Mon, Mar 19, 2018 at 11:38:12AM +0100, Christoph Hellwig wrote:
> > > Hi all,
> > > 
> > > this series switches the x86 code the the dma-direct implementation
> > > for direct (non-iommu) dma and the generic swiotlb ops.  This includes
> > > getting rid of the special ops for the AMD memory encryption case and
> > > the STA2x11 SOC.  The generic implementations are based on the x86
> > > code, so they provide the same functionality.
> > 
> > I need to test this on my baremertal and Xen setup - and I lost your
> > git repo URL - any chance you mention point out to me so I can
> > kick of a build?
> 
> git://git.infradead.org/users/hch/misc.git dma-direct-x86

Btw., what's the upstreaming route for these patches?

While it's a multi-arch series it's all pretty x86-heavy as well so we can host it 
in -tip (in tip:core/dma or such), but feel free to handle it yourself as well:

  Reviewed-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo