| 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
| ||
|
Date: Thu, 22 Sep 2022 16:36:53 +0200
From: Vitaly Kuznetsov <vkuznets@...hat.com>
To: kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <seanjc@...gle.com>
Cc: Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Maxim Levitsky <mlevitsk@...hat.com>,
Michael Kelley <mikelley@...rosoft.com>,
linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 4/6] KVM: selftests: Rename 'msr->availble' to 'msr->fault_exepected' in hyperv_features test
It may not be clear what 'msr->availble' means. The test actually
checks that accessing the particular MSR doesn't cause #GP, rename
the varialble accordingly.
Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
.../selftests/kvm/x86_64/hyperv_features.c | 96 +++++++++----------
1 file changed, 48 insertions(+), 48 deletions(-)
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
index 79ab0152d281..1383b979e90b 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
@@ -33,7 +33,7 @@ static inline uint8_t hypercall(u64 control, vm_vaddr_t input_address,
struct msr_data {
uint32_t idx;
- bool available;
+ bool fault_expected;
bool write;
u64 write_val;
};
@@ -56,10 +56,10 @@ static void guest_msr(struct msr_data *msr)
else
vector = wrmsr_safe(msr->idx, msr->write_val);
- if (msr->available)
- GUEST_ASSERT_2(!vector, msr->idx, vector);
- else
+ if (msr->fault_expected)
GUEST_ASSERT_2(vector == GP_VECTOR, msr->idx, vector);
+ else
+ GUEST_ASSERT_2(!vector, msr->idx, vector);
GUEST_DONE();
}
@@ -153,12 +153,12 @@ static void guest_test_msrs_access(void)
*/
msr->idx = HV_X64_MSR_GUEST_OS_ID;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 1:
msr->idx = HV_X64_MSR_HYPERCALL;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 2:
feat->eax |= HV_MSR_HYPERCALL_AVAILABLE;
@@ -169,116 +169,116 @@ static void guest_test_msrs_access(void)
msr->idx = HV_X64_MSR_GUEST_OS_ID;
msr->write = 1;
msr->write_val = LINUX_OS_ID;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 3:
msr->idx = HV_X64_MSR_GUEST_OS_ID;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 4:
msr->idx = HV_X64_MSR_HYPERCALL;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 5:
msr->idx = HV_X64_MSR_VP_RUNTIME;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 6:
feat->eax |= HV_MSR_VP_RUNTIME_AVAILABLE;
msr->idx = HV_X64_MSR_VP_RUNTIME;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 7:
/* Read only */
msr->idx = HV_X64_MSR_VP_RUNTIME;
msr->write = 1;
msr->write_val = 1;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 8:
msr->idx = HV_X64_MSR_TIME_REF_COUNT;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 9:
feat->eax |= HV_MSR_TIME_REF_COUNT_AVAILABLE;
msr->idx = HV_X64_MSR_TIME_REF_COUNT;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 10:
/* Read only */
msr->idx = HV_X64_MSR_TIME_REF_COUNT;
msr->write = 1;
msr->write_val = 1;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 11:
msr->idx = HV_X64_MSR_VP_INDEX;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 12:
feat->eax |= HV_MSR_VP_INDEX_AVAILABLE;
msr->idx = HV_X64_MSR_VP_INDEX;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 13:
/* Read only */
msr->idx = HV_X64_MSR_VP_INDEX;
msr->write = 1;
msr->write_val = 1;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 14:
msr->idx = HV_X64_MSR_RESET;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 15:
feat->eax |= HV_MSR_RESET_AVAILABLE;
msr->idx = HV_X64_MSR_RESET;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 16:
msr->idx = HV_X64_MSR_RESET;
msr->write = 1;
msr->write_val = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 17:
msr->idx = HV_X64_MSR_REFERENCE_TSC;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 18:
feat->eax |= HV_MSR_REFERENCE_TSC_AVAILABLE;
msr->idx = HV_X64_MSR_REFERENCE_TSC;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 19:
msr->idx = HV_X64_MSR_REFERENCE_TSC;
msr->write = 1;
msr->write_val = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 20:
msr->idx = HV_X64_MSR_EOM;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 21:
/*
@@ -287,145 +287,145 @@ static void guest_test_msrs_access(void)
*/
msr->idx = HV_X64_MSR_EOM;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 22:
feat->eax |= HV_MSR_SYNIC_AVAILABLE;
msr->idx = HV_X64_MSR_EOM;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 23:
msr->idx = HV_X64_MSR_EOM;
msr->write = 1;
msr->write_val = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 24:
msr->idx = HV_X64_MSR_STIMER0_CONFIG;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 25:
feat->eax |= HV_MSR_SYNTIMER_AVAILABLE;
msr->idx = HV_X64_MSR_STIMER0_CONFIG;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 26:
msr->idx = HV_X64_MSR_STIMER0_CONFIG;
msr->write = 1;
msr->write_val = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 27:
/* Direct mode test */
msr->idx = HV_X64_MSR_STIMER0_CONFIG;
msr->write = 1;
msr->write_val = 1 << 12;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 28:
feat->edx |= HV_STIMER_DIRECT_MODE_AVAILABLE;
msr->idx = HV_X64_MSR_STIMER0_CONFIG;
msr->write = 1;
msr->write_val = 1 << 12;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 29:
msr->idx = HV_X64_MSR_EOI;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 30:
feat->eax |= HV_MSR_APIC_ACCESS_AVAILABLE;
msr->idx = HV_X64_MSR_EOI;
msr->write = 1;
msr->write_val = 1;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 31:
msr->idx = HV_X64_MSR_TSC_FREQUENCY;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 32:
feat->eax |= HV_ACCESS_FREQUENCY_MSRS;
msr->idx = HV_X64_MSR_TSC_FREQUENCY;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 33:
/* Read only */
msr->idx = HV_X64_MSR_TSC_FREQUENCY;
msr->write = 1;
msr->write_val = 1;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 34:
msr->idx = HV_X64_MSR_REENLIGHTENMENT_CONTROL;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 35:
feat->eax |= HV_ACCESS_REENLIGHTENMENT;
msr->idx = HV_X64_MSR_REENLIGHTENMENT_CONTROL;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 36:
msr->idx = HV_X64_MSR_REENLIGHTENMENT_CONTROL;
msr->write = 1;
msr->write_val = 1;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 37:
/* Can only write '0' */
msr->idx = HV_X64_MSR_TSC_EMULATION_STATUS;
msr->write = 1;
msr->write_val = 1;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 38:
msr->idx = HV_X64_MSR_CRASH_P0;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 39:
feat->edx |= HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE;
msr->idx = HV_X64_MSR_CRASH_P0;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 40:
msr->idx = HV_X64_MSR_CRASH_P0;
msr->write = 1;
msr->write_val = 1;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 41:
msr->idx = HV_X64_MSR_SYNDBG_STATUS;
msr->write = 0;
- msr->available = 0;
+ msr->fault_expected = 1;
break;
case 42:
feat->edx |= HV_FEATURE_DEBUG_MSRS_AVAILABLE;
dbg->eax |= HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING;
msr->idx = HV_X64_MSR_SYNDBG_STATUS;
msr->write = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 43:
msr->idx = HV_X64_MSR_SYNDBG_STATUS;
msr->write = 1;
msr->write_val = 0;
- msr->available = 1;
+ msr->fault_expected = 0;
break;
case 44:
--
2.37.3
Powered by blists - more mailing lists