[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH RFC v2 16/19] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUI
From: |
Vitaly Kuznetsov |
Subject: |
[PATCH RFC v2 16/19] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size |
Date: |
Wed, 30 Sep 2020 15:40:24 +0200 |
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.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 32678154837f..39a6e89dbb60 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -975,7 +975,8 @@ 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;
/*
--
2.25.4
- [PATCH RFC v2 06/19] i386: move hyperv_version_id initialization to x86_cpu_realizefn(), (continued)
- [PATCH RFC v2 06/19] i386: move hyperv_version_id initialization to x86_cpu_realizefn(), Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 10/19] i386: always fill Hyper-V CPUID feature leaves from X86CPU data, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 09/19] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 08/19] i386: keep hyperv_vendor string up-to-date, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 07/19] i386: move hyperv_limits initialization to x86_cpu_realizefn(), Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 11/19] i386: introduce hv_cpuid_cache, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 12/19] i386: drop FEAT_HYPERV feature leaves, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 13/19] i386: split hyperv_handle_properties() into hyperv_expand_features()/hyperv_fill_cpuids(), Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 16/19] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size,
Vitaly Kuznetsov <=
- [PATCH RFC v2 14/19] i386: move eVMCS enablement to hyperv_init_vcpu(), Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 19/19] i386: expand Hyper-V features during CPU feature expansion time, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 17/19] i386: prefer system KVM_GET_SUPPORTED_HV_CPUID ioctl over vCPU's one, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 18/19] i386: use global kvm_state in hyperv_enabled() check, Vitaly Kuznetsov, 2020/09/30
- [PATCH RFC v2 15/19] i386: switch hyperv_expand_features() to using error_setg(), Vitaly Kuznetsov, 2020/09/30