Re: [Xen-devel] [PATCH] Add dm-userspace to the Xen kernel

[Nivedita Singhvi <niv@xxxxxxxxxx>]

Anthony Liguori wrote:
> I think dm-userspace is great, but I don't think it belongs in 
> patches/.  To quote Chris W.:
> "Good things there are bits that are ready to go upstream or fixes to 
> base Linux that are transient by version (backport of a fix that's in 
> the -rc for the next kernel or somesuch)."
> Until this ends up in -mm, I really don't think we should add this to 
> the -xen tree as it has no dependence on Xen.  We should be good members 
> of the kernel community here and go through the normal channels.  At any 
> rate, I would think that you would want it to be useful first before 
> adding it which means bringing in all of the tools into the tree.
It won't be useful in the kernel unless there are actual
consumers, of which Xen could/might be one. Having a use
case flesh out problems and get the performance and design
architecture examined in detail will be useful to the Linux
maintainers - they get something more robust and better
designed, although it's certainly not Xen's obligation to
provide that, per se. I'm just seeing the possibility of
mutual benefit, here.

That said, I believe since the patch is in the device-mapper
tree for review, there is a good chance it will go into
kernel in any case.

thanks,
Nivedita


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