Re: [Lguest] [PATCH 0/6] virtio with config abstraction and ringimplementation

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Dor Laor wrote:
Rusty Russell wrote:

Hi all,

This patch series attempts to come closer to unifying kvm and lguest's
usage of virtio.  As these two are the first implementations we've seen,
I hope making them closer will make future ones closer too.

Drivers now unpack their own configuration: their probe() methods are
uniform.  The configuration mechanism is extensible and can be backed by
PCI, a string of bytes, or something else.

I've abstracted out the lguest ring buffer code into a common library.
The format has changed slightly (mainly because I had an epiphany about
inter-guest I/O).

        I also implemented a console (lguest needs one).

Finally, there is a working lguest implementation. Unfortunately,
lguest is being refactored for non-i386 ports, so the virtio patches sit
at the end of the (quite long) for-2.6.24 patchqueue.  Nonetheless, they
can be found at http://lguest.ozlabs.org/patches (click on bz2 to get
the series).

Cheers!
Rusty.

Superb job, it saved me the burden of try to merge the in-house virtio_backend.

I like the separation of the ring code, the improved descriptors and the notify too. Regarding the pci config space, I rather see config_ops type of operations to let
the 390/xen/other implementations jump on our wagon.

Maybe change the offset/len type into a handle pointer and function pointers. The best would be to let them comment on that. I glimpsed over xen netfront.c and I think that
the config space can be used without too many hassles
Dor.

Of course I'll rebase what's left of my code over the new patches.
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