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[Qemu-devel] [PATCH 6/8] i386/kvm: hv-stimer requires hv-time and hv-syn
From: |
Vitaly Kuznetsov |
Subject: |
[Qemu-devel] [PATCH 6/8] i386/kvm: hv-stimer requires hv-time and hv-synic |
Date: |
Fri, 29 Mar 2019 15:18:30 +0100 |
Synthetic timers operate in hv-time time and Windows won't use these
without SynIC.
Signed-off-by: Vitaly Kuznetsov <address@hidden>
---
target/i386/kvm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 9edf76e473..524ee28e9c 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1186,6 +1186,12 @@ static int hyperv_handle_properties(CPUState *cs,
if (cpu->hyperv_evmcs && !cpu->hyperv_vapic) {
r |= hv_report_missing_dep(cpu, "hv-evmcs", "hv-vapic");
}
+ if (cpu->hyperv_stimer && !cpu->hyperv_synic) {
+ r |= hv_report_missing_dep(cpu, "hv-stimer", "hv-synic");
+ }
+ if (cpu->hyperv_stimer && !cpu->hyperv_time) {
+ r |= hv_report_missing_dep(cpu, "hv-stimer", "hv-time");
+ }
/* Not exposed by KVM but needed to make CPU hotplug in Windows work */
env->features[FEAT_HYPERV_EDX] |= HV_CPU_DYNAMIC_PARTITIONING_AVAILABLE;
--
2.20.1
- [Qemu-devel] [PATCH 0/8] i386/kvm/hyper-v: refactor and implement 'hv-stimer-direct' and 'hv-all' enlightenments, Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 8/8] i386/kvm: add support for Direct Mode for Hyper-V synthetic timers, Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 6/8] i386/kvm: hv-stimer requires hv-time and hv-synic,
Vitaly Kuznetsov <=
- [Qemu-devel] [PATCH 1/8] i386/kvm: add support for KVM_GET_SUPPORTED_HV_CPUID, Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 4/8] i386/kvm: implement 'hv-all' pass-through mode, Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 2/8] i386/kvm: move Hyper-V CPUID filling to hyperv_handle_properties(), Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 3/8] i386/kvm: document existing Hyper-V enlightenments, Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 5/8] i386/kvm: hv-evmcs requires hv-vapic, Vitaly Kuznetsov, 2019/03/29
- [Qemu-devel] [PATCH 7/8] i386/kvm: hv-tlbflush/ipi require hv-vpindex, Vitaly Kuznetsov, 2019/03/29