Juergen Gross writes ("[PATCH v2 1/3] tools/libxencall: use hypercall buffer
device if available"):
> Instead of using anonymous memory for hypercall buffers which is then
> locked into memory, use the hypercall buffer device of the Linux
> privcmd driver if available.
>
> This has the advantage of needing just a single mmap() for allocating
> the buffer and page migration or compaction can't make the buffer
> unaccessible for the hypervisor.
>
> Signed-off-by: Juergen Gross <[email protected]>
Acked-by: Ian Jackson <[email protected]>
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