On 28.04.2025 21:57, Ariadne Conill wrote: > Previously Xen placed the hypercall page at the highest possible MFN, > but this caused problems on systems where there is more than 36 bits > of physical address space.
Hmm, I should have asked already on the earlier version: What kinds of problems are these, beyond ... > In general, it also seems unreliable to assume that the highest possible > MFN is not already reserved for some other purpose. ... this particular aspect? I find it puzzling that such problems would depend on the number of physical address bits. Jan
