>>> On 20.06.16 at 12:30, <yu.c.zh...@linux.intel.com> wrote: > On 6/20/2016 6:10 PM, George Dunlap wrote: >> On 20/06/16 10:03, Yu Zhang wrote: >>> So one solution is to disallow the log dirty feature in XenGT, i.e. just >>> return failure when enable_logdirty() >>> is called in toolstack. But I'm afraid this will restrict XenGT's future >>> live migration feature. >> I don't understand this -- you can return -EBUSY if live migration is >> attempted while there are outstanding ioreq_server entries for the time >> being, and at some point in the future when this actually works, you can >> return success. >> > > Well, the problem is we cannot easily tell if there's any outstanding > p2m_ioreq_server entries.
That's easy to address: Keep a running count. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
