At 12:11 +0100 on 19 Mar (1205928715), Daniel Stodden wrote:
> > another question
> > i am confused about how to use shadow mechanism ,that is, when live
> > migration, after shutdown VM,and XEN_DOMCTL_SHADOW_OP_CLEAN, how to make VM
> >
> > remain in shadow mode XEN_DOMCTL_SHADOW_OP_ENABLE_LOGDIRTY? i have
> > modified the code to try to make it as follows
> > if ( !(xc_shadow_control(xc_handle, dom,
> > XEN_DOMCTL_SHADOW_OP_OFF,
> > NULL, 0, NULL, 0, NULL) >= 0 &&
> > xc_shadow_control(xc_handle, dom,
> > XEN_DOMCTL_SHADOW_OP_ENABLE_LOGDIRTY,
> > NULL, 0, NULL, 0, NULL) >= 0) )
If the domain is already in shadow log-dirty mode, and you want it to
remain in shadow log-dirty mode, surely you don't need to do anything at
all?
Cheers,
Tim.
--
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]
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