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authorMaxim Levitsky <mlevitsk@redhat.com>2021-11-01 15:23:00 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2021-11-02 15:57:27 +0100
commitcabf9862e42ffeab9de9b1bfa12cddaf125c53e8 (patch)
tree3482c587ed922db9a72dd5e8281e840dda5875e0 /target/i386/cpu.c
parent6aedeb650e6978ee8165f05b79fbfab6ed486eff (diff)
downloadfocaccia-qemu-cabf9862e42ffeab9de9b1bfa12cddaf125c53e8.tar.gz
focaccia-qemu-cabf9862e42ffeab9de9b1bfa12cddaf125c53e8.zip
KVM: SVM: add migration support for nested TSC scaling
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20211101132300.192584-4-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/cpu.c')
-rw-r--r--target/i386/cpu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 598d451dcf..53a23ca006 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5928,6 +5928,11 @@ static void x86_cpu_reset(DeviceState *dev)
     }
 
     x86_cpu_set_sgxlepubkeyhash(env);
+
+    if (env->features[FEAT_SVM] & CPUID_SVM_TSCSCALE) {
+        env->amd_tsc_scale_msr =  MSR_AMD64_TSC_RATIO_DEFAULT;
+    }
+
 #endif
 }