[PATCH v3 12/15] KVM: selftests: Inform set_memory_region_test of KVM_MEM_USERFAULT

James Houghton jthoughton at google.com
Tue Jun 17 21:24:21 PDT 2025


The KVM_MEM_USERFAULT flag is supported iff KVM_CAP_USERFAULT is
available.

Signed-off-by: James Houghton <jthoughton at google.com>
---
 tools/testing/selftests/kvm/set_memory_region_test.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index ce3ac0fd6dfb4..ba3fe8a53b33e 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -364,6 +364,9 @@ static void test_invalid_memory_region_flags(void)
 	if (kvm_check_cap(KVM_CAP_MEMORY_ATTRIBUTES) & KVM_MEMORY_ATTRIBUTE_PRIVATE)
 		supported_flags |= KVM_MEM_GUEST_MEMFD;
 
+	if (kvm_check_cap(KVM_CAP_USERFAULT))
+		supported_flags |= KVM_MEM_USERFAULT;
+
 	for (i = 0; i < 32; i++) {
 		if ((supported_flags & BIT(i)) && !(v2_only_flags & BIT(i)))
 			continue;
-- 
2.50.0.rc2.692.g299adb8693-goog




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