Re: [Xen-devel] [PATCH 1 of 2] libxl: async version of domain suspend

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Shriram Rajagopalan writes ("Re: [Xen-devel] [PATCH 1 of 2] libxl: async 
version of domain suspend"):
> On Sunday, November 24, 2013, Shriram Rajagopalan wrote:
...
>     libxl: async version of domain suspend

I don't seem to have replied to this.  Sorry about that and thanks for
the ping.

Unfortunately, it's really not the right approach at all.  The right
approach would be a series of incremental patches each of which makes
a smallish change and which can be reviewed.  This is far from easy.

I have started work on this myself in the meantime and I have (so
far!) a 17-patch series which is far too disruptive to be suitable for
4.4.  Indeed at this stage of the release these structural changes to
the suspend/resume code aren't really appropriate.

It would be nice to be able to get improved support for Remus in 4.4
if we can do so without adding too much risk.  In particular I think
it would be fine to add code to support Remus network buffering if we
can get the interfaces right and non-Remus code isn't touched too
much.

I'm not sure what George (the release manager) will think of
   libxl: make libxl__domain_suspend_callback be asynchronous
which I think is a precondition for code which runs the Remus
network buffering script.  I'm about to bounce a copy to him.

Ian.

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