Re: [kvm-unit-tests PATCH 0/3] Move nNPT test cases to a seperate file

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On 2/28/22 07:17, Manali Shukla wrote:
Commit 916635a813e975600335c6c47250881b7a328971
(nSVM: Add test for NPT reserved bit and #NPF error code behavior)
clears PT_USER_MASK for all svm testcases. Any tests that requires
usermode access will fail after this commit.

If __setup_vm() is changed to setup_vm(), KUT will build tests with
PT_USER_MASK set on all PTEs. It is a better idea to move nNPT tests
to  their own file so that tests don't need to fiddle with page tables
midway.

The quick approach to do this would be to turn the current main into a small
helper, without calling __setup_vm() from helper.

There are three patches in this patch series
1) Turned current main into helper function minus setup_vm()
2) Moved all nNPT test cases from svm_tests.c to svm_npt.c
3) Change __setup_vm to setup_vm() on svm_tests.c

What ideas do you have for SVM tests that require usermode access in the test (not in the guest)?

Paolo




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