linux-kernel - Re: [RFC 0/4] Virtio uses DMA API for all devices

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Date:   Mon, 6 Aug 2018 09:34:21 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        robh@...nel.org, srikar@...ux.vnet.ibm.com, aik@...abs.ru,
        Jason Wang <jasowang@...hat.com>, linuxram@...ibm.com,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, paulus@...ba.org,
        joe@...ches.com, david@...son.dropbear.id.au,
        linuxppc-dev@...ts.ozlabs.org, elfring@...rs.sourceforge.net,
        haren@...ux.vnet.ibm.com
Subject: Re: [RFC 0/4] Virtio uses DMA API for all devices

On Mon, Aug 06, 2018 at 07:13:32PM +0300, Michael S. Tsirkin wrote:
> Oh that makes sense then. Could you post a pointer pls so
> this patchset is rebased on top (there are things to
> change about 4/4 but 1-3 could go in if they don't add
> overhead)?

The dma mapping direct calls will need a major work vs what I posted.
I plan to start that work in about two weeks once returning from my
vacation.