Re: [kvm-unit-tests RFC PATCH v2 0/5] arm64: Statistical Profiling Extension Tests

[Alexandru Elisei <alexandru.elisei@arm.com>]

Hi,

Adding Andrew to CC list, somehow I forgot, sorry for that.

Thanks,

Alex

On 10/27/20 5:19 PM, Alexandru Elisei wrote:
> This series implements two basic tests for KVM SPE: one that checks that
> the reported features match what is specified in the architecture,
> implemented in patch #3 ("arm64: spe: Add introspection test"), and another
> test that checks that the buffer management interrupt is asserted
> correctly, implemented in patch #5 ("am64: spe: Add buffer test"). The rest
> of the patches are either preparatory patches, or a fix, in the case of
> patch #2 ("lib/{bitops,alloc_page}.h: Add missing headers").
>
> This series builds on Eric's initial version [1], to which I've added the
> buffer tests that I used while developing SPE support for KVM.
>
> KVM SPE support is current in RFC phase, hence why this series is also sent
> as RFC. The KVM patches needed for the tests to work can be found at [2].
> Userspace support is also necessary, which I've implemented for kvmtool;
> this can be found at [3]. This series is also available in a repo [4] to make
> testing easier.
>
> [1] https://www.spinics.net/lists/kvm/msg223792.html
> [2] https://gitlab.arm.com/linux-arm/linux-ae/-/tree/kvm-spe-v3
> [3] https://gitlab.arm.com/linux-arm/kvmtool-ae/-/tree/kvm-spe-v3
> [4] https://gitlab.arm.com/linux-arm/kvm-unit-tests-ae/-/tree/kvm-spe-v2
>
> Alexandru Elisei (3):
>   lib/{bitops,alloc_page}.h: Add missing headers
>   lib: arm/arm64: Add function to unmap a page
>   am64: spe: Add buffer test
>
> Eric Auger (2):
>   arm64: Move get_id_aa64dfr0() in processor.h
>   arm64: spe: Add introspection test
>
>  arm/Makefile.arm64        |   1 +
>  lib/arm/asm/mmu-api.h     |   1 +
>  lib/arm64/asm/processor.h |   5 +
>  lib/alloc_page.h          |   2 +
>  lib/bitops.h              |   2 +
>  lib/libcflat.h            |   1 +
>  lib/arm/mmu.c             |  32 +++
>  arm/pmu.c                 |   1 -
>  arm/spe.c                 | 506 ++++++++++++++++++++++++++++++++++++++
>  arm/unittests.cfg         |  15 ++
>  10 files changed, 565 insertions(+), 1 deletion(-)
>  create mode 100644 arm/spe.c
>
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