[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v6 COLO 02/15] secondary vm suspend/resume/checkpoint code
Yang Hongyang writes ("Re: [Xen-devel] [PATCH v6 COLO 02/15] secondary vm suspend/resume/checkpoint code"): > > On Mon, Jun 08, 2015 at 11:45:46AM +0800, Yang Hongyang wrote: ... > >> 3. Suspend secondary vm > >> a. Suspend secondary vm. > >> b. Call libxl__checkpoint_devices_postsuspend(). > >> c. Get secondary vm's dirty page information. > >> d. Send LIBXL_COLO_SVM_SUSPENDED to master. > >> e. Send secondary vm's dirty page information to master(count + pfn > >> list). In the pdf http://www.socc2013.org/home/program/a3-dong.pdf?attredirects=0 linked from the wiki page http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping it says that the secondary keeps a copy of the original contents of its dirty pages. So I don't understand why you need to send the dirty bitmap to the primary. Thanks, Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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