Re: [Xen-devel] [PATCH v2 1/3] tools/libxencall: use hypercall buffer device if available

[Ian Jackson <ian.jackson@xxxxxxxxxx>]

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 <jgross@xxxxxxxx>

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

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