Re: [kvm-unit-tests PATCH v3 10/18] arm/arm64: selftest: Add prefetch abort test

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On Tue, Dec 31, 2019 at 04:09:41PM +0000, Alexandru Elisei wrote:
> When a guest tries to execute code from MMIO memory, KVM injects an
> external abort into that guest. We have now fixed the psci test to not
> fetch instructions from the I/O region, and it's not that often that a
> guest misbehaves in such a way. Let's expand our coverage by adding a
> proper test targetting this corner case.
> 
> Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
> ---
>  lib/arm64/asm/esr.h |   3 ++
>  arm/selftest.c      | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++-
>  2 files changed, 113 insertions(+), 2 deletions(-)
>

I like this test, but I have a few idea on how to make it more robust.
I'll send something out for review soon.

Thanks,
drew 




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