tunables vs osxsave vs checkpointing vs _dl_runtime_resolve

[DJ Delorie]

Florian Weimer <fweimer@redhat.com> writes:
> What happens if you migrate to a machine that has XSAVE/XSAVEC, but
> requires more storage?

We'd need a new tunable to always use the maximum size, or some
specified size, I suppose.  But there are limits to the miracles we can
perform, and "size" is not the root problem - the layout changes too!

> I expect that this is the case that people actually care about these
> days. 8-)

In this case, they just want to disable xsave completely, so it's as
portable as possible.