[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH RFC 17/22] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID a
From: |
Vitaly Kuznetsov |
Subject: |
[PATCH RFC 17/22] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size |
Date: |
Fri, 4 Sep 2020 16:54:26 +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 cb35f759acaa..70db2ca26313 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -973,7 +973,8 @@ 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 15/22] i386: switch hyperv_expand_features() to using error_setg(), (continued)
- [PATCH RFC 15/22] i386: switch hyperv_expand_features() to using error_setg(), Vitaly Kuznetsov, 2020/09/04
- [PATCH RFC 18/22] i386: prefer system KVM_GET_SUPPORTED_HV_CPUID ioctl over vCPU's one, Vitaly Kuznetsov, 2020/09/04
- [PATCH RFC 22/22] i386: expand Hyper-V features early, Vitaly Kuznetsov, 2020/09/04
- [PATCH RFC 21/22] i386: record if Hyper-V features were already expanded, Vitaly Kuznetsov, 2020/09/04
- [PATCH RFC 19/22] i386: prepare hyperv_expand_features() to be called at CPU feature expansion time, Vitaly Kuznetsov, 2020/09/04
- [PATCH RFC 16/22] i386: make hyperv_expand_features() return void, Vitaly Kuznetsov, 2020/09/04
- [PATCH RFC 17/22] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size,
Vitaly Kuznetsov <=
- [PATCH RFC 20/22] i386: use global kvm_state in hyperv_enabled() check, Vitaly Kuznetsov, 2020/09/04