[kvm-unit-tests v2 0/8] More tests for selective CR0 intercept

From: Yosry Ahmed

Date: Tue Oct 28 2025 - 18:12:41 EST


Add more test cases for the selective CR0 write intercept, covering bugs
fixed by
https://lore.kernel.org/kvm/20251024192918.3191141-1-yosry.ahmed@xxxxxxxxx/.

Patches 1-6 are cleanups and prep work. Patch 7 generalizes the existing
test to make it easy to extend, and patch 8 adds the actual tests.

v1 -> v2:
- Fixed author and Signed-off-by.
- Added fix for skip return codes.

Yosry Ahmed (8):
scripts: Always return '2' when skipping tests
x86/svm: Cleanup selective cr0 write intercept test
x86/svm: Move CR0 selective write intercept test near CR3 intercept
x86/svm: Add FEP helpers for SVM tests
x86/svm: Report unsupported SVM tests
x86/svm: Move report_svm_guest() to the top of svm_tests.c
x86/svm: Generalize and improve selective CR0 write intercept test
x86/svm: Add more selective CR0 write and LMSW test cases

lib/x86/desc.h | 8 ++
scripts/runtime.bash | 4 +-
x86/svm.c | 9 ++-
x86/svm.h | 1 +
x86/svm_tests.c | 178 ++++++++++++++++++++++++++++++-------------
5 files changed, 146 insertions(+), 54 deletions(-)

--
2.51.1.851.g4ebd6896fd-goog