linux-kernel - [PATCH v2 10/11] KVM: riscv: selftests: Skip some registers set operation

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Message-Id: <a10cd1ff57e07e408d08eca7e6a4557217ca0af3.1684999824.git.haibo1.xu@intel.com>
Date:   Thu, 25 May 2023 15:38:34 +0800
From:   Haibo Xu <haibo1.xu@...el.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     xiaobo55x@...il.com, haibo1.xu@...el.com, ajones@...tanamicro.com,
        maz@...nel.org, oliver.upton@...ux.dev, seanjc@...gle.com,
        Paolo Bonzini <pbonzini@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...shpatra.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Shuah Khan <shuah@...nel.org>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        David Matlack <dmatlack@...gle.com>,
        Ben Gardon <bgardon@...gle.com>,
        Vipin Sharma <vipinsh@...gle.com>,
        Colton Lewis <coltonlewis@...gle.com>, kvm@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm-riscv@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-kselftest@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev
Subject: [PATCH v2 10/11] KVM: riscv: selftests: Skip some registers set operation

Set operation on some riscv registers(mostly pesudo ones) was not
supported and should be skipped in the get-reg-list test. Just
reuse the rejects_set utilities to handle it in riscv.

Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
---
 tools/testing/selftests/kvm/get-reg-list.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
index f1fc113e9719..ebd6b580b33b 100644
--- a/tools/testing/selftests/kvm/get-reg-list.c
+++ b/tools/testing/selftests/kvm/get-reg-list.c
@@ -211,16 +211,22 @@ static void run_test(struct vcpu_reg_list *c)
 			++failed_get;
 		}
 
-		/* rejects_set registers are rejected after KVM_ARM_VCPU_FINALIZE */
+		/*
+		 * rejects_set registers are rejected after KVM_ARM_VCPU_FINALIZE on aarch64,
+		 * or registers that should skip set operation on riscv.
+		 */
 		for_each_sublist(c, s) {
 			if (s->rejects_set && find_reg(s->rejects_set, s->rejects_set_n, reg.id)) {
 				reject_reg = true;
-				ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
-				if (ret != -1 || errno != EPERM) {
-					printf("%s: Failed to reject (ret=%d, errno=%d) ", config_name(c), ret, errno);
-					print_reg(config_name(c), reg.id);
-					putchar('\n');
-					++failed_reject;
+				if ((reg.id & KVM_REG_ARCH_MASK) == KVM_REG_ARM64) {
+					ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
+					if (ret != -1 || errno != EPERM) {
+						printf("%s: Failed to reject (ret=%d, errno=%d) ",
+								config_name(c), ret, errno);
+						print_reg(config_name(c), reg.id);
+						putchar('\n');
+						++failed_reject;
+					}
 				}
 				break;
 			}
-- 
2.34.1