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[PATCH v5 12/17] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID ar
From: |
Vitaly Kuznetsov |
Subject: |
[PATCH v5 12/17] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size |
Date: |
Mon, 1 Mar 2021 14:50:58 +0100 |
SYNDBG leaves were recently (Linux-5.8) added to KVM but we haven't
updated the expected size of KVM_GET_SUPPORTED_HV_CPUID output in
KVM so we now make serveral tries before succeeding. Update the
default.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
target/i386/kvm/kvm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 5cdceb6e34c4..4d301da7375e 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -961,7 +961,8 @@ static struct kvm_cpuid2 *try_get_hv_cpuid(CPUState *cs,
int max)
static struct kvm_cpuid2 *get_supported_hv_cpuid(CPUState *cs)
{
struct kvm_cpuid2 *cpuid;
- int max = 7; /* 0x40000000..0x40000005, 0x4000000A */
+ /* 0x40000000..0x40000005, 0x4000000A, 0x40000080..0x40000080 leaves */
+ int max = 10;
int i;
/*
--
2.29.2
- [PATCH v5 02/17] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough, (continued)
- [PATCH v5 02/17] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 03/17] i386: always fill Hyper-V CPUID feature leaves from X86CPU data, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 04/17] i386: stop using env->features[] for filling Hyper-V CPUIDs, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 05/17] i386: introduce hyperv_feature_supported(), Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 06/17] i386: introduce hv_cpuid_get_host(), Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 07/17] i386: drop FEAT_HYPERV feature leaves, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 09/17] i386: split hyperv_handle_properties() into hyperv_expand_features()/hyperv_fill_cpuids(), Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 08/17] i386: introduce hv_cpuid_cache, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 10/17] i386: move eVMCS enablement to hyperv_init_vcpu(), Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 11/17] i386: switch hyperv_expand_features() to using error_setg(), Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 12/17] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size,
Vitaly Kuznetsov <=
- [PATCH v5 13/17] i386: prefer system KVM_GET_SUPPORTED_HV_CPUID ioctl over vCPU's one, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 14/17] i386: use global kvm_state in hyperv_enabled() check, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 15/17] i386: expand Hyper-V features during CPU feature expansion time, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 16/17] i386: provide simple 'hv-default=on' option, Vitaly Kuznetsov, 2021/03/01
- [PATCH v5 17/17] qtest/hyperv: Introduce a simple hyper-v test, Vitaly Kuznetsov, 2021/03/01