]> git.ipfire.org Git - thirdparty/libvirt.git/commitdiff
cpu: Drop CPUID definition for hv-spinlocks
authorJiri Denemark <jdenemar@redhat.com>
Tue, 30 Jul 2019 10:33:42 +0000 (12:33 +0200)
committerJiri Denemark <jdenemar@redhat.com>
Tue, 30 Jul 2019 15:09:53 +0000 (17:09 +0200)
hv-spinlocks is not a CPUID feature and should not be checked as such.
While starting a domain with hv-spinlocks enabled, we would report a
warning about unsupported hyperv spinlocks feature even though it was
set properly.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
src/cpu/cpu_x86.c
src/qemu/qemu_process.c

index 387c365512dd4b247c1759f9888e862938dc72b4..b58eb2c9d8c2d36d8736fc6fb38789e60ec3c5fb 100644 (file)
@@ -84,8 +84,6 @@ KVM_FEATURE_DEF(VIR_CPU_x86_HV_STIMER,
                 0x40000003, 0x00000008);
 KVM_FEATURE_DEF(VIR_CPU_x86_HV_RELAXED,
                 0x40000003, 0x00000020);
-KVM_FEATURE_DEF(VIR_CPU_x86_HV_SPINLOCKS,
-                0x40000003, 0x00000022);
 KVM_FEATURE_DEF(VIR_CPU_x86_HV_VAPIC,
                 0x40000003, 0x00000030);
 KVM_FEATURE_DEF(VIR_CPU_x86_HV_VPINDEX,
@@ -110,7 +108,6 @@ static virCPUx86Feature x86_kvm_features[] =
     KVM_FEATURE(VIR_CPU_x86_HV_SYNIC),
     KVM_FEATURE(VIR_CPU_x86_HV_STIMER),
     KVM_FEATURE(VIR_CPU_x86_HV_RELAXED),
-    KVM_FEATURE(VIR_CPU_x86_HV_SPINLOCKS),
     KVM_FEATURE(VIR_CPU_x86_HV_VAPIC),
     KVM_FEATURE(VIR_CPU_x86_HV_VPINDEX),
     KVM_FEATURE(VIR_CPU_x86_HV_RESET),
index 0ee97e2296af09300811792055738154cc9a39df..0ba04b48e64a51509a533af1033c3a1b524c5728 100644 (file)
@@ -4098,7 +4098,8 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def,
 
     for (i = 0; i < VIR_DOMAIN_HYPERV_LAST; i++) {
         /* always supported string property */
-        if (i == VIR_DOMAIN_HYPERV_VENDOR_ID)
+        if (i == VIR_DOMAIN_HYPERV_VENDOR_ID ||
+            i == VIR_DOMAIN_HYPERV_SPINLOCKS)
             continue;
 
         if (def->hyperv_features[i] != VIR_TRISTATE_SWITCH_ON)
@@ -4119,7 +4120,6 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def,
         switch ((virDomainHyperv) i) {
         case VIR_DOMAIN_HYPERV_RELAXED:
         case VIR_DOMAIN_HYPERV_VAPIC:
-        case VIR_DOMAIN_HYPERV_SPINLOCKS:
             VIR_WARN("host doesn't support hyperv '%s' feature",
                      virDomainHypervTypeToString(i));
             break;
@@ -4140,6 +4140,7 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def,
             return -1;
 
         /* coverity[dead_error_begin] */
+        case VIR_DOMAIN_HYPERV_SPINLOCKS:
         case VIR_DOMAIN_HYPERV_VENDOR_ID:
         case VIR_DOMAIN_HYPERV_LAST:
             break;