[PATCH v2 2/2] KVM: arm64: selftests: Consider all 7 possible levels of cache

Ben Horgan ben.horgan at arm.com
Tue Nov 25 02:12:07 PST 2025


In test_clidr() if an empty cache level is not found then the TEST_ASSERT
will not fire. Fix this by considering all 7 possible levels when iterating
through the hierarchy. Found by inspection.

Signed-off-by: Ben Horgan <ben.horgan at arm.com>
---
 tools/testing/selftests/kvm/arm64/set_id_regs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c
index 5fbcf5d1f168..c4815d365816 100644
--- a/tools/testing/selftests/kvm/arm64/set_id_regs.c
+++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c
@@ -676,7 +676,7 @@ static void test_clidr(struct kvm_vcpu *vcpu)
 	clidr = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_CLIDR_EL1));
 
 	/* find the first empty level in the cache hierarchy */
-	for (level = 1; level < 7; level++) {
+	for (level = 1; level <= 7; level++) {
 		if (!CLIDR_CTYPE(clidr, level))
 			break;
 	}
-- 
2.43.0




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