>>> On 12.06.15 at 16:31, <mpohl...@amazon.com> 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 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
