[PATCH v4 5/5] KVM: selftests: arm64: Use is_aarch32_id_reg() in test_vm_ftr_id_regs()
From: Mark Brown <broonie@kernel.org>
Date: 2026-01-06 16:41:18
Also in:
kvm, kvmarm, linux-kselftest, lkml
Subsystem:
kernel selftest framework, kernel virtual machine (kvm), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Shuah Khan, Paolo Bonzini, Marc Zyngier, Oliver Upton, Linus Torvalds
test_vm_ftr_id_regs() uses a simplified check for 32 bit ID registers since it knows it will only run on ID registers. For clarity update this to use the newly added is_aarch32_id_reg(), there should be no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> --- 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 908b3c8947d9..f703c6cfe132 100644
--- a/tools/testing/selftests/kvm/arm64/set_id_regs.c
+++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c@@ -503,7 +503,7 @@ static void test_vm_ftr_id_regs(struct kvm_vcpu *vcpu, bool aarch64_only) for (int j = 0; ftr_bits[j].type != FTR_END; j++) { /* Skip aarch32 reg on aarch64 only system, since they are RAZ/WI. */ - if (aarch64_only && sys_reg_CRm(reg_id) < 4) { + if (aarch64_only && is_aarch32_id_reg(reg_id)) { ksft_print_msg("%s on AARCH64 only system\n", ftr_bits[j].name); ksft_test_result_skip("%s invalid write rejected\n",
--
2.47.3