H. Peter Anvin wrote:
Yes. We'd use it during initialization and at other times when we need trampolining, but give the swapper something which only has the kernel map.
Hm, though Xen makes it all a bit more complex, as usual. In the PAE case it wouldn't allow the pmd to be shared, so you'd have to allocate a new pmd and copy into it. There's probably a way to deal with it within the existing paravirt hooks...
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