tree 50ff8153207f60e00574372396f1d52f6efaeab3
parent 066b5c06c4e37c72ec096e69923ae3fda11b796a
author Marc Zyngier <maz@kernel.org> 1629645926 +0100
committer Will Deacon <will@kernel.org> 1630421217 +0100

kvmtool: arm64: Configure VM with the minimal required IPA space

There is some value in keeping the IPA space small, as it reduces
the size of the stage-2 page tables.

Let's compute the required space at VM creation time, and inform
the kernel of our requirements.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Oliver Upton <oupton@google.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20210822152526.1291918-4-maz@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>