KVM: arm64: nv: Allocate VNCR page when required

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If running a NV guest on an ARMv8.4-NV capable system, let's
allocate an additional page that will be used by the hypervisor
to fulfill system register accesses.

Reviewed-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20250514103501.2225951-3-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Marc Zyngier 2025-05-14 11:34:45 +01:00

parent fb3066904a

commit 469c4713d4

2 changed files with 11 additions and 0 deletions

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10

arch/arm64/kvm/nested.c

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1

arch/arm64/kvm/reset.c

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