linux-kernel - [PATCH 27/42] KVM: selftests: Use vcpu_get_cpuid

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220604012058.1972195-28-seanjc@google.com>
Date:   Sat,  4 Jun 2022 01:20:43 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     kvm@...r.kernel.org, Vitaly Kuznetsov <vkuznets@...hat.com>,
        David Matlack <dmatlack@...gle.com>,
        Jim Mattson <jmattson@...gle.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 27/42] KVM: selftests: Use vcpu_get_cpuid_entry() in CPUID test

Use vcpu_get_cpuid_entry() instead of an open coded equivalent in the
CPUID test.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 tools/testing/selftests/kvm/x86_64/cpuid_test.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/kvm/x86_64/cpuid_test.c b/tools/testing/selftests/kvm/x86_64/cpuid_test.c
index 8723d73dcdbd..694583803468 100644
--- a/tools/testing/selftests/kvm/x86_64/cpuid_test.c
+++ b/tools/testing/selftests/kvm/x86_64/cpuid_test.c
@@ -147,7 +147,6 @@ struct kvm_cpuid2 *vcpu_alloc_cpuid(struct kvm_vm *vm, vm_vaddr_t *p_gva, struct
 
 static void set_cpuid_after_run(struct kvm_vcpu *vcpu)
 {
-	struct kvm_cpuid2 *cpuid = vcpu->cpuid;
 	struct kvm_cpuid_entry2 *ent;
 	int rc;
 	u32 eax, ebx, x;
@@ -157,7 +156,7 @@ static void set_cpuid_after_run(struct kvm_vcpu *vcpu)
 	TEST_ASSERT(!rc, "Setting unmodified CPUID after KVM_RUN failed: %d", rc);
 
 	/* Changing CPU features is forbidden */
-	ent = get_cpuid_entry(cpuid, 0x7, 0);
+	ent = vcpu_get_cpuid_entry(vcpu, 0x7);
 	ebx = ent->ebx;
 	ent->ebx--;
 	rc = __vcpu_set_cpuid(vcpu);
@@ -165,7 +164,7 @@ static void set_cpuid_after_run(struct kvm_vcpu *vcpu)
 	ent->ebx = ebx;
 
 	/* Changing MAXPHYADDR is forbidden */
-	ent = get_cpuid_entry(cpuid, 0x80000008, 0);
+	ent = vcpu_get_cpuid_entry(vcpu, 0x80000008);
 	eax = ent->eax;
 	x = eax & 0xff;
 	ent->eax = (eax & ~0xffu) | (x - 1);
-- 
2.36.1.255.ge46751e96f-goog