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Re: [Qemu-devel] [PATCH] Use kvm32/kvm64 as default CPUs when running un
From: |
Jes Sorensen |
Subject: |
Re: [Qemu-devel] [PATCH] Use kvm32/kvm64 as default CPUs when running under KVM. |
Date: |
Wed, 28 Jul 2010 12:57:12 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Lightning/1.0b2pre Thunderbird/3.0.5 |
On 07/28/10 12:51, Avi Kivity wrote:
> 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.
>
Urgh, good point. I'll come up with a fix for that. So much for a simple
patch :)
Jes