Re: [PATCH kvm-unit-tests 0/9] Combined GMET and MBEC tests

[Paolo Bonzini <pbonzini@redhat.com>]

On 3/26/26 15:50, Paolo Bonzini wrote:
> This adds new tests for both GMET and MBEC.
> 
> The code for MBEC is roughly based on the previous submission at
> https://lore.kernel.org/kvm/20251223054850.1611618-1-jon@nutanix.com/,
> though with pretty heavy reorganization and fixing work on top.
> 
> The existing EPT tests now test execution on both supervisor and
> user-mode pages, with different expected outcomes depending on
> whether MBEC is enabled or not; on top of this, the last patch
> adds tests for XU=1 and XS=XU=1.
> 
> For simplicity, the tests always enable MBEC when available.
> A new block in unittests.cfg ensures that both non-MBEC and
> MBEC is covered.

Pushed to kvm-unit-tests.git.

Paolo

> 
> Jon Kohler (1):
>    x86/vmx: update EPT installation to use EPT_PRESENT flag
> 
> Paolo Bonzini (8):
>    move PFERR_* constants to lib
>    add definitions for nested_ctl
>    svm: add basic GMET tests
>    x86/vmx: diagnose unexpected EPT violations
>    x86/vmx: add mode-based execute control test for Skylake and above
>    x86/vmx: add user execution operation to EPT access tests
>    x86/vmx: run EPT tests with MBEC enabled when available
>    x86/vmx: add EPT tests covering XU permission
> 
>   Makefile            |   2 +-
>   lib/util.h          |  10 +-
>   lib/x86/asm/page.h  |   7 +
>   lib/x86/processor.h |   1 +
>   x86/access.c        |   7 -
>   x86/svm.c           |  19 +-
>   x86/svm.h           |   4 +
>   x86/svm_npt.c       |  83 ++++++++-
>   x86/unittests.cfg   |  21 ++-
>   x86/vmx.c           |   3 +-
>   x86/vmx.h           |  32 ++--
>   x86/vmx_tests.c     | 414 +++++++++++++++++++++++++++++++++++++-------
>   12 files changed, 513 insertions(+), 90 deletions(-)
>