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Date:   Tue, 22 Jan 2019 11:45:24 +0100
From:   Greg KH <>
To:     Vincent Whitchurch <>
Cc:,,,, Vincent Whitchurch <>
Subject: Re: [PATCH 0/8] Virtio-over-PCIe on non-MIC

On Wed, Jan 16, 2019 at 05:32:45PM +0100, Vincent Whitchurch wrote:
> The Virtio-over-PCIe framework living under drivers/misc/mic/vop implements a
> generic framework to use virtio between two Linux systems, given shared memory
> and a couple of interrupts.  It does not actually require the Intel MIC
> hardware, x86-64, or even PCIe for that matter.  This patch series makes it
> buildable on more systems and adds a loopback driver to test it without special
> hardware.
> Note that I don't have access to Intel MIC hardware so some testing of the
> patchset (especially the patch "vop: Use consistent DMA") on that platform
> would be appreciated, to ensure that the series does not break anything there.
> Vincent Whitchurch (8):
>   vop: Use %z for size_t
>   vop: Cast pointers to uintptr_t
>   vop: Add definition of readq/writeq if missing
>   vop: Allow building on more systems
>   vop: vringh: Do not crash if no DMA channel
>   vop: Fix handling of >32 feature bits
>   vop: Use consistent DMA
>   vop: Add loopback

I applied a few of these to my tree.  Feel free to rebase and fix up
patch 2 and resend.


greg k-h

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