| Message ID | 20210422161130.652779-13-vkuznets@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | i386: KVM: expand Hyper-V features early | expand |
On Thu, Apr 22, 2021 at 06:11:23PM +0200, Vitaly Kuznetsov wrote: > 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> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index f33ba325187f..feec9f25ba12 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; /*
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(-)