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Re: [Qemu-devel] [PATCH 1/6] target-i386: filter out not TCG features if


From: Eduardo Habkost
Subject: Re: [Qemu-devel] [PATCH 1/6] target-i386: filter out not TCG features if running without kvm at realize time
Date: Tue, 11 Dec 2012 11:26:09 -0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Tue, Dec 11, 2012 at 11:11:01AM +0100, Igor Mammedov wrote:
> Signed-off-by: Igor Mammedov <address@hidden>
> Reviewed-by: Eduardo Habkost <address@hidden>
> Signed-off-by: Eduardo Habkost <address@hidden>

Just to confirm that this submission still looks good to me:

Reviewed-by: Eduardo Habkost <address@hidden>


> ---
>  target-i386/cpu.c |   31 ++++++++++++++++---------------
>  1 files changed, 16 insertions(+), 15 deletions(-)
> 
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 7be3ad8..63aae86 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -1549,21 +1549,6 @@ int cpu_x86_register(X86CPU *cpu, const char 
> *cpu_model)
>          env->cpuid_ext2_features |= (def->features & CPUID_EXT2_AMD_ALIASES);
>      }
>  
> -    if (!kvm_enabled()) {
> -        env->cpuid_features &= TCG_FEATURES;
> -        env->cpuid_ext_features &= TCG_EXT_FEATURES;
> -        env->cpuid_ext2_features &= (TCG_EXT2_FEATURES
> -#ifdef TARGET_X86_64
> -            | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
> -#endif
> -            );
> -        env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
> -        env->cpuid_svm_features &= TCG_SVM_FEATURES;
> -    } else {
> -#ifdef CONFIG_KVM
> -        filter_features_for_kvm(cpu);
> -#endif
> -    }
>      object_property_set_str(OBJECT(cpu), def->model_id, "model-id", &error);
>      if (error) {
>          fprintf(stderr, "%s\n", error_get_pretty(error));
> @@ -2077,6 +2062,22 @@ void x86_cpu_realize(Object *obj, Error **errp)
>          env->cpuid_level = 7;
>      }
>  
> +    if (!kvm_enabled()) {
> +        env->cpuid_features &= TCG_FEATURES;
> +        env->cpuid_ext_features &= TCG_EXT_FEATURES;
> +        env->cpuid_ext2_features &= (TCG_EXT2_FEATURES
> +#ifdef TARGET_X86_64
> +            | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
> +#endif
> +            );
> +        env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
> +        env->cpuid_svm_features &= TCG_SVM_FEATURES;
> +    } else {
> +#ifdef CONFIG_KVM
> +        filter_features_for_kvm(cpu);
> +#endif
> +    }
> +
>  #ifndef CONFIG_USER_ONLY
>      qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
>  
> -- 
> 1.7.1
> 

-- 
Eduardo



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