RE: [Xen-devel] xenbus message id's

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> On 21/12/2008 03:50, "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
wrote:
> 
> > Unless there is a good reason to allow multiple outstanding
requests,
> > I'll change the xenbus code in GPLPV to be more like the linux
version
> > as it looks quite a bit simpler. xenbus is hardly a performance
> > sensitive interface...
> 
> Request/response pairs are serialised in the C xenstored. Further,
> multiple
> in-flight transactions are allowed (although the rather basic conflict
> detection means that all but the first to commit will be failed).
> 
> We might move to a smarter xenstored, but overall higher parallel
> performance of one domain's xenbus implementation is probably not a
very
> important thing to optimise?
> 

I agree. I will now proceed to stupefy my implementation to make it a
bit easier to work with :)

I only asked because the version in mini-os (which I based mine on) does
allow multiple outstanding requests but the version in linux doesn't.

James

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