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Subject[PATCH] selftests/kvm: Add error messages before skipping tests in vm_xsave_req_perm()
Date
Add messages in the checks that are performed before making a request
with ARCH_REQ_XCOMP_GUEST_PERM.

Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
---
tools/testing/selftests/kvm/lib/x86_64/processor.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index ead7011ee8f6..c74e846661b7 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -643,11 +643,15 @@ void vm_xsave_req_perm(int bit)
if (rc == -1 && (errno == ENXIO || errno == EINVAL))
exit(KSFT_SKIP);
TEST_ASSERT(rc == 0, "KVM_GET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_SUPP) error: %ld", rc);
- if (!(bitmask & (1ULL << bit)))
+ if (!(bitmask & (1ULL << bit))) {
+ print_skip("Userspace address of attr data is blank");
exit(KSFT_SKIP);
+ }

- if (!is_xfd_supported())
+ if (!is_xfd_supported()) {
+ print_skip("XFD is not supported");
exit(KSFT_SKIP);
+ }

rc = syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_GUEST_PERM, bit);

--
2.36.1
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