From: Paolo Bonzini <pbonzini@redhat.com>
To: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, "Zhong,
Yang" <yang.zhong@intel.com>
Subject: Re: [PATCH rebase] KVM: x86: Expose AVX512 VP2INTERSECT in cpuid for TGL
Date: Wed, 18 Mar 2020 12:26:37 +0100 [thread overview]
Message-ID: <65e997c3-9ef9-d9f3-143e-0bc0823aad4f@redhat.com> (raw)
In-Reply-To: <20200318032739.3745-1-zhenyuw@linux.intel.com>
On 18/03/20 04:27, Zhenyu Wang wrote:
> On Tigerlake new AVX512 VP2INTERSECT feature is available.
> This trys to expose it for KVM supported cpuid.
>
> Cc: "Zhong, Yang" <yang.zhong@intel.com>
> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
> ---
> arch/x86/kvm/cpuid.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
> index 08280d8a2ac9..435a7da07d5f 100644
> --- a/arch/x86/kvm/cpuid.c
> +++ b/arch/x86/kvm/cpuid.c
> @@ -338,7 +338,7 @@ void kvm_set_cpu_caps(void)
> kvm_cpu_cap_mask(CPUID_7_EDX,
> F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) |
> F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP) |
> - F(MD_CLEAR)
> + F(MD_CLEAR) | F(AVX512_VP2INTERSECT)
> );
>
> /* TSC_ADJUST and ARCH_CAPABILITIES are emulated in software. */
>
Queued, thanks.
Paolo
prev parent reply other threads:[~2020-03-18 11:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-17 6:55 [PATCH] KVM: x86: Expose AVX512 VP2INTERSECT in cpuid for TGL Zhenyu Wang
2020-03-17 8:27 ` Paolo Bonzini
2020-03-18 3:27 ` [PATCH rebase] " Zhenyu Wang
2020-03-18 11:26 ` Paolo Bonzini [this message]
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