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Re: [Qemu-devel] [PATCH] Use kvm32/kvm64 as default CPUs when running un


From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH] Use kvm32/kvm64 as default CPUs when running under KVM.
Date: Wed, 28 Jul 2010 13:51:50 +0300
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1

 On 07/28/2010 01:05 PM, address@hidden wrote:
From: Jes Sorensen<address@hidden>

KVM has a minimum CPU requirement in order to run, so there is no
reason to default to the very basic family 6, model 2 (or model 3 for
qemu32) CPU since the additional features are going to be available on
the host CPU.


@@ -866,11 +867,19 @@ void pc_cpus_init(const char *cpu_model)

      /* init CPUs */
      if (cpu_model == NULL) {
+        if (kvm_enabled()) {
  #ifdef TARGET_X86_64
-        cpu_model = "qemu64";
+            cpu_model = "kvm64";
  #else
-        cpu_model = "qemu32";
+            cpu_model = "kvm32";
  #endif
+        } else {
+#ifdef TARGET_X86_64
+            cpu_model = "qemu64";
+#else
+            cpu_model = "qemu32";
+#endif
+        }
      }

What about -M 0.12?  It needs to retain the old values.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.




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