From: Robert Hoo <robert.hu@linux.intel.com>
To: pbonzini@redhat.com, seanjc@google.com,
kirill.shutemov@linux.intel.com, kvm@vger.kernel.org
Cc: Robert Hoo <robert.hu@linux.intel.com>,
Jingqi Liu <jingqi.liu@intel.com>
Subject: [PATCH v3 9/9] KVM: x86: LAM: Expose LAM CPUID to user space VMM
Date: Fri, 9 Dec 2022 12:45:57 +0800 [thread overview]
Message-ID: <20221209044557.1496580-10-robert.hu@linux.intel.com> (raw)
In-Reply-To: <20221209044557.1496580-1-robert.hu@linux.intel.com>
LAM feature is enumerated by (EAX=07H, ECX=01H):EAX.LAM[bit26].
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Reviewed-by: Jingqi Liu <jingqi.liu@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 01e2b93ef563..1e7c7f9d756b 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -657,7 +657,7 @@ void kvm_set_cpu_caps(void)
kvm_cpu_cap_set(X86_FEATURE_SPEC_CTRL_SSBD);
kvm_cpu_cap_mask(CPUID_7_1_EAX,
- F(AVX_VNNI) | F(AVX512_BF16)
+ F(AVX_VNNI) | F(AVX512_BF16) | F(LAM)
);
kvm_cpu_cap_mask(CPUID_D_1_EAX,
--
2.31.1
next prev parent reply other threads:[~2022-12-09 4:46 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-09 4:45 [PATCH v3 0/9] Linear Address Masking (LAM) KVM Enabling Robert Hoo
2022-12-09 4:45 ` [PATCH v3 1/9] KVM: x86: Rename cr4_reserved/rsvd_* variables to be more readable Robert Hoo
2022-12-28 3:37 ` Binbin Wu
2022-12-29 1:42 ` Robert Hoo
2023-01-07 0:35 ` Sean Christopherson
2023-01-07 13:30 ` Robert Hoo
2023-01-08 14:18 ` Xiaoyao Li
2023-01-09 3:07 ` Robert Hoo
2022-12-09 4:45 ` [PATCH v3 2/9] KVM: x86: Add CR4.LAM_SUP in guest owned bits Robert Hoo
2023-01-07 0:38 ` Sean Christopherson
2023-01-07 13:32 ` Robert Hoo
2023-01-09 16:29 ` Sean Christopherson
2023-01-10 3:56 ` Robert Hoo
2023-01-11 17:35 ` Sean Christopherson
2022-12-09 4:45 ` [PATCH v3 3/9] KVM: x86: MMU: Rename get_cr3() --> get_pgd() and clear high bits for pgd Robert Hoo
2022-12-19 6:44 ` Yuan Yao
2022-12-20 14:07 ` Robert Hoo
2023-01-07 0:45 ` Sean Christopherson
2023-01-07 13:36 ` Robert Hoo
2022-12-09 4:45 ` [PATCH v3 4/9] KVM: x86: MMU: Commets update Robert Hoo
2022-12-09 4:45 ` [PATCH v3 5/9] KVM: x86: MMU: Integrate LAM bits when build guest CR3 Robert Hoo
2022-12-19 6:53 ` Yuan Yao
2022-12-20 14:07 ` Robert Hoo
2022-12-21 2:12 ` Yuan Yao
2022-12-21 7:50 ` Yu Zhang
2022-12-21 8:55 ` Robert Hoo
2022-12-09 4:45 ` [PATCH v3 6/9] KVM: x86: Untag LAM bits when applicable Robert Hoo
2022-12-19 7:32 ` Yuan Yao
2022-12-20 14:07 ` Robert Hoo
2022-12-19 9:45 ` Yuan Yao
2022-12-20 14:07 ` Robert Hoo
2022-12-21 2:38 ` Yuan Yao
2022-12-21 8:02 ` Yu Zhang
2022-12-21 8:49 ` Robert Hoo
2022-12-21 10:10 ` Yu Zhang
2022-12-21 10:30 ` Yuan Yao
2022-12-21 12:40 ` Yu Zhang
2022-12-22 8:21 ` Yu Zhang
2022-12-23 2:36 ` Yuan Yao
2022-12-23 3:55 ` Robert Hoo
2022-12-21 0:35 ` Yang, Weijiang
2022-12-21 1:38 ` Robert Hoo
2022-12-21 2:55 ` Yuan Yao
2022-12-21 8:22 ` Robert Hoo
2022-12-21 9:35 ` Yuan Yao
2022-12-21 10:22 ` Yu Zhang
2022-12-21 10:33 ` Yuan Yao
2022-12-21 8:14 ` Yu Zhang
2022-12-21 8:37 ` Yu Zhang
2022-12-28 8:32 ` Binbin Wu
2022-12-29 0:41 ` Robert Hoo
2022-12-09 4:45 ` [PATCH v3 7/9] KVM: x86: When judging setting CR3 valid or not, consider LAM bits Robert Hoo
2022-12-09 4:45 ` [PATCH v3 8/9] KVM: x86: When guest set CR3, handle LAM bits semantics Robert Hoo
2022-12-20 9:10 ` Liu, Jingqi
2022-12-20 14:16 ` Robert Hoo
2022-12-21 8:30 ` Yu Zhang
2022-12-21 12:52 ` Robert Hoo
2022-12-09 4:45 ` Robert Hoo [this message]
2022-12-19 6:12 ` [PATCH v3 0/9] Linear Address Masking (LAM) KVM Enabling Robert Hoo
2022-12-19 8:09 ` Yuan Yao
2022-12-20 14:06 ` Robert Hoo
2022-12-20 9:20 ` Liu, Jingqi
2022-12-20 14:19 ` Robert Hoo
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