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[Xen-devel] Question about /lib/tls

As I understand it - emulating the standard /lib/tls behaviour
efficiently and properly with Xen is tricky. However, a change in libc
could make it easier to implement or something? And this change could
work with Xen and outside Xen?

Now, it might be a while before such a change could be gotten into
upstream glibc, and even longer before it would trickle down to

But, my question is that does the change break binary compatibility? 
If I were to recompile glibc myself, could I add a patch that would
make /lib/tls work for Xen and outside Xen? Could I use that glibc
without recompiling all my applications?

And ofcourse - was this change in libc just discussed as a possible
alternative, or does it already exist somewhere? If it doesn't, would
it be hard to do? Would Xen need to be modified to take advantage of
this new support?

-- Naked

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