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[Qemu-devel] [PULL 01/15] target/i386: kvm: add VMX migration blocker
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 01/15] target/i386: kvm: add VMX migration blocker |
Date: |
Tue, 27 Nov 2018 15:36:23 +0100 |
Nested VMX does not support live migration yet. Add a blocker
until that is worked out.
Nested SVM only does not support it, but unfortunately it is
enabled by default for -cpu host so we cannot really disable it.
Signed-off-by: Paolo Bonzini <address@hidden>
---
target/i386/kvm.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 3d6739a..2724800 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -855,6 +855,7 @@ static int hyperv_init_vcpu(X86CPU *cpu)
}
static Error *invtsc_mig_blocker;
+static Error *vmx_mig_blocker;
#define KVM_MAX_CPUID_ENTRIES 100
@@ -1247,6 +1248,17 @@ int kvm_arch_init_vcpu(CPUState *cs)
!!(c->ecx & CPUID_EXT_SMX);
}
+ if ((env->features[FEAT_1_ECX] & CPUID_EXT_VMX) && !vmx_mig_blocker) {
+ error_setg(&vmx_mig_blocker,
+ "Nested VMX virtualization does not support live migration
yet");
+ r = migrate_add_blocker(vmx_mig_blocker, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ error_free(vmx_mig_blocker);
+ return r;
+ }
+ }
+
if (env->mcg_cap & MCG_LMCE_P) {
has_msr_mcg_ext_ctl = has_msr_feature_control = true;
}
--
1.8.3.1
- [Qemu-devel] [PULL v2 00/15] Misc patches for QEMU 3.1-rc3, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 02/15] cpus: run work items for all vCPUs if single-threaded, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 01/15] target/i386: kvm: add VMX migration blocker,
Paolo Bonzini <=
- [Qemu-devel] [PULL 03/15] lsi: Reselection needed to remove pending commands from queue, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 07/15] vhost-user-bridge: fix recvmsg iovlen, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 06/15] vl: Improve error message when we can't load fw_cfg from file, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 09/15] checkpatch: g_test_message does not need a trailing newline, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 05/15] vmstate: constify VMStateField, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 10/15] target/i386: Generate #UD when applying LOCK to a register destination, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 04/15] migration: savevm: consult migration blockers, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 08/15] vl.c: remove outdated comment, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 11/15] MAINTAINERS: Add some missing entries related to accelerators, Paolo Bonzini, 2018/11/27
- [Qemu-devel] [PULL 12/15] MAINTAINERS: Add an entry for the Firmware Configuration (fw_cfg) device, Paolo Bonzini, 2018/11/27