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From: Zhenyu Wang <zhenyuw@linux.intel.com>
To: pbonzini@redhat.com
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, "Zhong,
	Yang" <yang.zhong@intel.com>
Subject: [PATCH rebase] KVM: x86: Expose AVX512 VP2INTERSECT in cpuid for TGL
Date: Wed, 18 Mar 2020 11:27:39 +0800	[thread overview]
Message-ID: <20200318032739.3745-1-zhenyuw@linux.intel.com> (raw)
In-Reply-To: <dcc9899c-f5af-9a4f-3ac2-f37fd8b930f7@redhat.com>

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. */
-- 
2.25.1


  reply	other threads:[~2020-03-18  3:27 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   ` Zhenyu Wang [this message]
2020-03-18 11:26     ` [PATCH rebase] " Paolo Bonzini

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