From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Daniel P . Berrangé" <berrange@redhat.com>,
"Eduardo Habkost" <ehabkost@redhat.com>,
"Marcelo Tosatti" <mtosatti@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
"Roman Kagan" <rkagan@virtuozzo.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Richard Henderson" <rth@twiddle.net>
Subject: [Qemu-devel] [PATCH v2 8/9] i386/kvm: hv-evmcs requires hv-vapic
Date: Fri, 17 May 2019 16:19:23 +0200 [thread overview]
Message-ID: <20190517141924.19024-9-vkuznets@redhat.com> (raw)
In-Reply-To: <20190517141924.19024-1-vkuznets@redhat.com>
Enlightened VMCS is enabled by writing to a field in VP assist page and
these require virtual APIC.
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 7fc97b749e..7ae2f63f72 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -791,7 +791,8 @@ static struct {
.flags = {
{.fw = FEAT_HV_RECOMM_EAX,
.bits = HV_ENLIGHTENED_VMCS_RECOMMENDED}
- }
+ },
+ .dependencies = BIT(HYPERV_FEAT_VAPIC)
},
[HYPERV_FEAT_IPI] = {
.desc = "paravirtualized IPI (hv-ipi)",
--
2.20.1
next prev parent reply other threads:[~2019-05-17 14:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-17 14:19 [Qemu-devel] [PATCH v2 0/9] i386/kvm/hyper-v: refactor and implement 'hv-stimer-direct' and 'hv-passthrough' enlightenments Vitaly Kuznetsov
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 1/9] i386/kvm: convert hyperv enlightenments properties from bools to bits Vitaly Kuznetsov
2019-05-27 15:46 ` Roman Kagan
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 2/9] i386/kvm: add support for KVM_GET_SUPPORTED_HV_CPUID Vitaly Kuznetsov
2019-05-27 15:52 ` Roman Kagan
2019-05-27 16:39 ` Vitaly Kuznetsov
2019-05-30 17:55 ` Roman Kagan
2019-05-31 9:22 ` Vitaly Kuznetsov
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 3/9] i386/kvm: move Hyper-V CPUID filling to hyperv_handle_properties() Vitaly Kuznetsov
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 4/9] i386/kvm: document existing Hyper-V enlightenments Vitaly Kuznetsov
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 5/9] i386/kvm: implement 'hv-passthrough' mode Vitaly Kuznetsov
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 6/9] i386/kvm: hv-stimer requires hv-time and hv-synic Vitaly Kuznetsov
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 7/9] i386/kvm: hv-tlbflush/ipi require hv-vpindex Vitaly Kuznetsov
2019-05-17 14:19 ` Vitaly Kuznetsov [this message]
2019-05-17 14:19 ` [Qemu-devel] [PATCH v2 9/9] i386/kvm: add support for Direct Mode for Hyper-V synthetic timers Vitaly Kuznetsov
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