[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Questions about sh_prefetch and log_dirty
At 14:08 +0100 on 24 Jun (1245852490), David Knight wrote: > Could it be possible that xen is in log_dirty_mode when a DomU is > immigrating into it ? No; and if it were it wouldn't matter since the domain being migrated into isn't running. Cheers, Tim. > >> I just want to make the faulted page and its following > >> pages writable and marked as dirty after a write_protect > >> page_fault. The function "sh_prebuild" is called in the > >> sh_page_fault() right before sh_prefetch(): > >> > >> ---------------sh_page_fault()----------------- > >> > >> if ( ( shadow_mode_log_dirty(v->domain) ) > >> && ( ft == ft_demand_write ) ) > >> sh_prebuild(.......); > >> > >> .............. > >> > >> I got problems when I migrate. The code can successfully > >> migrate the domainU to another UNMODIFIED Xen. But when I > >> migrate a domainU from UNMODIFIED Xen back to this MODIFIED > >> Xen, the domU's clock is frozen, I use "xm console" to get > >> in domU's console, but I just got about 6 TSC error messages > >> and no other respond. > >> > >> I am using 32-bit PV domain, no-PSE. > >> Does someone know any reasons? Thanks. > >> > >> > >> > >> _______________________________________________ > >> Xen-devel mailing list > >> Xen-devel@xxxxxxxxxxxxxxxxxxx<mailto:Xen-devel@xxxxxxxxxxxxxxxxxxx> > >> http://lists.xensource.com/xen-devel > > > > -- Tim Deegan <Tim.Deegan@xxxxxxxxxx> Principal Software Engineer, Citrix Systems (R&D) Ltd. [Company #02300071, SL9 0DZ, UK.] _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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