[CRIU] Dealing with VDSO remap

[Cyrill Gorcunov]

On Fri, Mar 20, 2015 at 11:25:40AM +0100, Laurent Dufour wrote:
> On 20/03/2015 11:21, Cyrill Gorcunov wrote:
> > On Fri, Mar 20, 2015 at 11:18:42AM +0100, Laurent Dufour wrote:
> >>
> >> You're right Cyrill, if the vDSO is mapped back to the address it has at
> >> checkpoint time, then the checkpointed stack frame is good. If there is
> >> a need for a new vDSO then the proxy would have to handle that.
> >>
> >> I had to work on this vDSO proxy for ppc64, I put it on the back burner,
> >> but it's now time to make it.
> > 
> > Just curious. the vdso for ppc64 is rip relative as well?
> 
> What do you mean by 'rip relative' ?

position independent code, ie you can move it to another place
and still it will work (for x86-64 it means we're use rIP-relative
addressing)