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Re: [Xen-devel] 9p file system for xen

On 12/1/2015 4:47 AM, Wei Liu wrote:
On Mon, Nov 30, 2015 at 12:19:18PM -0500, Neil Sikka wrote:
Hi Wei, could you please explain why/how you would have done the project
differently now and why these patches are not "good"? From my conversation
with Linda, I understood that her code is "Independent of virtio except the
9pvirtio specific code, which is used extensively."

I need to implement a xen transport for 9pfs. Linda was essentially
doing the same. But she didn't specify the canonical protocol between
frontend and backend.
For my own edification: In the interests of the limited time of my internship, we decided I shouldn't do the initialization using the xen toolstack. Were there are other expediencies that I'm unaware of?

I tried to follow the xen handshaking protocol between front and back end at startup.



As for "9pvirtio specific code", I think there is misunderstanding
because though a lot of files in QEMU are prefixed with virtio they are
actually not specific to virtio at all. I think the "independent of
virtio ..." part was referring to the new transport she wrote.


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