Re: [PATCH qom-cpu 06/11] target-i386: check/enforce: Do not ignore "hypervisor" flag

[Gleb Natapov <gleb@redhat.com>]

On Fri, Jan 04, 2013 at 08:01:07PM -0200, Eduardo Habkost wrote:
> We don't need any hack to ignore CPUID_EXT_HYPERVISOR anymore, because
> kvm_arch_get_supported_cpuid() now set CPUID_EXT_HYPERVISOR properly.
> So, this shouldn't introduce any behavior change, but it makes the code
> simpler.
> 
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>

> ---
> My goal is to eliminate the check_feat field completely, as
> kvm_arch_get_supported_cpuid() should now really return all the bits we
> can set on all CPUID leaves.
> ---
>  target-i386/cpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index c3e5db8..42c4c99 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -970,7 +970,7 @@ static int kvm_check_features_against_host(x86_def_t *guest_def)
>          {&guest_def->features, &host_def.features,
>              ~0, feature_name, 0x00000001, R_EDX},
>          {&guest_def->ext_features, &host_def.ext_features,
> -            ~CPUID_EXT_HYPERVISOR, ext_feature_name, 0x00000001, R_ECX},
> +            ~0, ext_feature_name, 0x00000001, R_ECX},
>          {&guest_def->ext2_features, &host_def.ext2_features,
>              ~PPRO_FEATURES, ext2_feature_name, 0x80000001, R_EDX},
>          {&guest_def->ext3_features, &host_def.ext3_features,
> -- 
> 1.7.11.7
> 
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--
			Gleb.