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xen-devel
Re: [Xen-devel] watches not working from domU userspace
On 2 Jan 2006, at 11:24, Cihula, Joseph wrote:
It seems like this would add a lot of overhead. Xenstore commands are
typically only a couple hundred bytes and since they are synchronous
(per client and excluding watches), this would leave a lot of the page
unused. Moreover, for transient clients, such as xenstore-{read,
write,
rm}, the extra setup/teardown would also add to the cost.
Those overheads will certainly be insignificant. Far more important
concerns are a clean design and small (as possible) implementation,
with as little code/logic duplication as possible.
Implementing a proxy xenstored in the kernel for the use of userland
code is not a nice solution. :-)
-- Keir
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