Thread (15 messages) 15 messages, 2 authors, 2021-12-28

Re: [PATCH v2 6/6] KVM: selftests: arm64: Add support for various modes with 16kB page size

From: Andrew Jones <hidden>
Date: 2021-12-28 09:39:28
Also in: kvm, kvmarm

On Mon, Dec 27, 2021 at 12:48:09PM +0000, Marc Zyngier wrote:
The 16kB page size is not a popular choice, due to only a few CPUs
actually implementing support for it. However, it can lead to some
interesting performance improvements given the right uarch choices.

Add support for this page size for various PA/VA combinations.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 tools/testing/selftests/kvm/include/kvm_util.h   |  4 ++++
 .../selftests/kvm/lib/aarch64/processor.c        | 10 ++++++++++
 tools/testing/selftests/kvm/lib/guest_modes.c    |  4 ++++
 tools/testing/selftests/kvm/lib/kvm_util.c       | 16 ++++++++++++++++
 4 files changed, 34 insertions(+)
Reviewed-by: Andrew Jones <redacted>


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