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Blame 0001-Revert-target-i386-kvm-add-VMX-migration-blocker.patch

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From: Cole Robinson <crobinso@redhat.com>
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Date: Tue, 16 Apr 2019 20:14:12 -0400
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Subject: [PATCH] Revert "target/i386: kvm: add VMX migration blocker"
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This reverts commit d98f26073bebddcd3da0ba1b86c3a34e840c0fb8.
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As is, it rejects libvirt managedsave and virt-manager snapshots
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for default installed VMs on intel hosts. Upstream Paolo says that
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the missing kernel bits are already queued up, and until then it's
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fine to revert this.
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https://lists.gnu.org/archive/html/qemu-devel/2019-04/msg02326.html
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---
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 target/i386/kvm.c | 12 ------------
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 1 file changed, 12 deletions(-)
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diff --git a/target/i386/kvm.c b/target/i386/kvm.c
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index 3b29ce5c0d..6ad450d9f1 100644
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--- a/target/i386/kvm.c
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+++ b/target/i386/kvm.c
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@@ -906,7 +906,6 @@ static int hyperv_init_vcpu(X86CPU *cpu)
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 }
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 static Error *invtsc_mig_blocker;
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-static Error *vmx_mig_blocker;
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 #define KVM_MAX_CPUID_ENTRIES  100
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@@ -1270,17 +1269,6 @@ int kvm_arch_init_vcpu(CPUState *cs)
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                                   !!(c->ecx & CPUID_EXT_SMX);
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     }
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-    if ((env->features[FEAT_1_ECX] & CPUID_EXT_VMX) && !vmx_mig_blocker) {
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-        error_setg(&vmx_mig_blocker,
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-                   "Nested VMX virtualization does not support live migration yet");
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-        r = migrate_add_blocker(vmx_mig_blocker, &local_err);
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-        if (local_err) {
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-            error_report_err(local_err);
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-            error_free(vmx_mig_blocker);
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-            return r;
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-        }
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-    }
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-
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     if (env->mcg_cap & MCG_LMCE_P) {
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         has_msr_mcg_ext_ctl = has_msr_feature_control = true;
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     }