[Xen-devel] Really need to pin page tables?

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

Hello,

In extras/mini-os/arch/x86/mm.c:new_pt_frame, Mini-OS pins its L1,
L2, and L3 page tables.  Does that really make a difference from the
Hypervisor point of view?  I mean, once L4 is pinned, pointing to these,
and thus their content has been checked, is there any performance
difference?

Samuel

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