linux-kernel - Re: [PATCH v1] iommu/amd: flush not present cache in iommu_map

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Message-ID: <CAPL0++7G4zNp76z_8bzV84ky2vXeoX2jTCLSCC-CCWZMgwP5Pw@mail.gmail.com>
Date:   Mon, 29 Apr 2019 13:17:44 +0100
From:   Tom Murphy <tmurphy@...sta.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Joerg Roedel <joro@...tes.org>, iommu@...ts.linux-foundation.org,
        Tom Murphy <murphyt7@....ie>, linux-kernel@...r.kernel.org,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        James Sewart <jamessewart@...sta.com>
Subject: Re: [PATCH v1] iommu/amd: flush not present cache in iommu_map_page

On Mon, Apr 29, 2019 at 12:59 PM Christoph Hellwig <hch@...radead.org> wrote:
>
> On Sat, Apr 27, 2019 at 03:20:35PM +0100, Tom Murphy wrote:
> > I am working on another patch to improve the intel iotlb flushing in
> > the iommu ops patch which should cover this too.
>
> So are you looking into converting the intel-iommu driver to use
> dma-iommu as well?  That would be great!

Yes. My patches depend on the "iommu/vt-d: Delegate DMA domain to
generic iommu" patch which is currently being reviewed.