Re: [Qemu-devel] [PATCH] KVM: x86: expose ADX feature to guest

[Paolo Bonzini]

Il 21/02/2014 18:36, Liu, Jinsong ha scritto:
> From 0750e335eb5860b0b483e217e8a08bd743cbba16 Mon Sep 17 00:00:00 2001
> From: Liu Jinsong <address@hidden>
> Date: Thu, 20 Feb 2014 17:39:32 +0800
> Subject: [PATCH] KVM: x86: expose ADX feature to guest
>
> ADCX and ADOX instructions perform an unsigned addition with Carry flag and
> Overflow flag respectively.
>
> Signed-off-by: Xudong Hao <address@hidden>
> Signed-off-by: Liu Jinsong <address@hidden>
> ---
>  arch/x86/kvm/cpuid.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
> index abe18b4..a951ae4 100644
> --- a/arch/x86/kvm/cpuid.c
> +++ b/arch/x86/kvm/cpuid.c
> @@ -303,7 +303,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 
> *entry, u32 function,
>         /* cpuid 7.0.ebx */
>         const u32 kvm_supported_word9_x86_features =
>                 F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
> -               F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED);
> +               F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED) |
> +               F(ADX);
>
>         /* all calls to cpuid_count() should be made on the same cpu */
>         get_cpu();

Applied to kvm/queue, thanks.

Paolo