]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
KVM: arm64: selftests: Consider all 7 possible levels of cache
authorBen Horgan <ben.horgan@arm.com>
Tue, 25 Nov 2025 10:12:07 +0000 (10:12 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 27 Nov 2025 18:16:46 +0000 (18:16 +0000)
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@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Oliver Upton <oupton@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
tools/testing/selftests/kvm/arm64/set_id_regs.c

index 465d2331196aa6914126a947106c8057d04e4e33..01f9e417cea1c96309618e86580e9acae61bf52e 100644 (file)
@@ -673,7 +673,7 @@ 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;
        }