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Re: [Xen-devel] [RFC v2] xSplice design



>>> On 12.06.15 at 16:31, <mpohlack@xxxxxxxxxx> wrote:
> The 1ms is just a random number.  I would actually suggest to allow a
> sysadmin or hotpatch management tooling to specify how long one is
> willing to potentially block the whole machine when waiting for a
> stop_machine-like barrier as part of a relevant hypercall.  You could
> imagine userland to start out with 1ms and slowly work its way up
> whenever it retries.

In which case the question would be why it didn't start with a larger
timeout from the beginning. If anything I could see this to be used
to allow for a larger stop window for more critical patches.

Jan


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