From: Zhao Liu <zhao1.liu@intel.com>
To: Sean Christopherson <seanjc@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Chao Gao <chao.gao@intel.com>, Xudong Hao <xudong.hao@intel.com>
Subject: Re: [PATCH 2/4] KVM: x86: Advertise AMX CPUIDs in subleaf 0x1E.0x1 to userspace
Date: Sun, 25 Jan 2026 15:51:03 +0800 [thread overview]
Message-ID: <aXXLZ9nCzTmeaSS0@intel.com> (raw)
In-Reply-To: <aXO1_kmDSu_H1BoL@google.com>
> Unless someone feels *very* strongly about the "mirror" terminology, I'm going to
> use ALIAS instead of MIRROR when applying, to match KVM's existing terminology for
> the 8000_0001.EDX => 1.EDX aliases.
>
> /*
> * Intel-defined sub-features, CPUID level 0x0000001E:1 (EAX). Note, several
> * of the bits are aliases to features of the same name that are enumerated via
> * various CPUID.0x7 sub-leafs.
> */
> #define X86_FEATURE_AMX_INT8_ALIAS KVM_X86_FEATURE(CPUID_1E_1_EAX, 0)
> #define X86_FEATURE_AMX_BF16_ALIAS KVM_X86_FEATURE(CPUID_1E_1_EAX, 1)
> #define X86_FEATURE_AMX_COMPLEX_ALIAS KVM_X86_FEATURE(CPUID_1E_1_EAX, 2)
> #define X86_FEATURE_AMX_FP16_ALIAS KVM_X86_FEATURE(CPUID_1E_1_EAX, 3)
LGTM, yes, ALIAS sounds better than MIRROR.
Thanks,
Zhao
next prev parent reply other threads:[~2026-01-25 7:25 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 5:07 [PATCH 0/4] KVM: x86: Advertise new instruction CPUIDs for Intel Diamond Rapids Zhao Liu
2025-11-20 5:07 ` [PATCH 1/4] KVM: x86: Advertise MOVRS CPUID to userspace Zhao Liu
2026-01-23 18:03 ` Sean Christopherson
2025-11-20 5:07 ` [PATCH 2/4] KVM: x86: Advertise AMX CPUIDs in subleaf 0x1E.0x1 " Zhao Liu
2026-01-23 6:02 ` Xiaoyao Li
2026-01-23 17:53 ` Sean Christopherson
2026-01-23 17:55 ` Sean Christopherson
2026-01-25 7:51 ` Zhao Liu [this message]
2026-01-23 18:06 ` Sean Christopherson
2026-01-25 7:54 ` Zhao Liu
2025-11-20 5:07 ` [PATCH 3/4] KVM: x86: Advertise AVX10.2 CPUID " Zhao Liu
2025-11-20 5:07 ` [PATCH 4/4] KVM: x86: Advertise AVX10_VNNI_INT " Zhao Liu
2025-12-18 17:54 ` [PATCH 0/4] KVM: x86: Advertise new instruction CPUIDs for Intel Diamond Rapids Paolo Bonzini
2026-01-21 1:40 ` Zhao Liu
2026-01-23 6:03 ` Xiaoyao Li
2026-02-04 0:10 ` Sean Christopherson
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