[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2 COLOPre 09/13] tools/libxl: Update libxl_save_msgs_gen.pl to support return data from xl to xc
Hi Ian, On 06/16/2015 07:05 PM, Ian Jackson wrote: Yang Hongyang writes ("[Xen-devel] [PATCH v2 COLOPre 09/13] tools/libxl: Update libxl_save_msgs_gen.pl to support return data from xl to xc"):From: Wen Congyang <wency@xxxxxxxxxxxxxx> Currently, all callbacks return an integer value or void. We cannot return some data to xc via callback. Update libxl_save_msgs_gen.pl to support this case.Thanks for this. I would have some comments on the details, but first I want to properly understand your use case. So while I'm the author and maintainer of this save helper, I won't review this in detail just yet. I'm following the thread about what this is for... We need to send secondary's dirty page pfn back to primary. Primary will then send pages that are both dirtied on primary/secondary to secondary. in this way the secondary's memory will be consistent with primary. As we disscussed in [PATCH v2 COLOPre 04/13] tools/libxc: export xc_bitops.h If we move this operation to libxc layer, this patch could be dropped. Thanks, Ian. . -- Thanks, Yang. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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