[Qemu-devel] [PATCH RFC 7/8] i386/kvm: hv-tlbflush/ipi require hv-vpindex

Vitaly Kuznetsov posted 8 patches 6 years, 10 months ago
Maintainers: Marcelo Tosatti <mtosatti@redhat.com>, Richard Henderson <rth@twiddle.net>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>
[Qemu-devel] [PATCH RFC 7/8] i386/kvm: hv-tlbflush/ipi require hv-vpindex
Posted by Vitaly Kuznetsov 6 years, 10 months ago
The corresponding hypercalls require using VP indexes.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
 target/i386/kvm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 7461bf05dd..14d74ca9c7 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1183,6 +1183,12 @@ static int hyperv_handle_properties(CPUState *cs,
     if (cpu->hyperv_stimer && !cpu->hyperv_time) {
         r |= hv_report_missing_dep(cpu, "hv-stimer", "hv-time");
     }
+    if (cpu->hyperv_tlbflush && !cpu->hyperv_vpindex) {
+        r |= hv_report_missing_dep(cpu, "hv-tlbflush", "hv-vpindex");
+    }
+    if (cpu->hyperv_ipi && !cpu->hyperv_vpindex) {
+        r |= hv_report_missing_dep(cpu, "hv-ipi", "hv-vpindex");
+    }
 
     /* 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