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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id n4sm9021138edt.46.2020.12.11.15.42.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Dec 2020 15:42:30 -0800 (PST) To: Kyung Min Park , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, sean.j.christopherson@intel.com, jmattson@google.com, joro@8bytes.org, vkuznets@redhat.com, wanpengli@tencent.com, cathy.zhang@intel.com References: <20201208033441.28207-1-kyung.min.park@intel.com> From: Paolo Bonzini Subject: Re: [PATCH 0/2] Enumerate and expose AVX512_FP16 feature Message-ID: Date: Sat, 12 Dec 2020 00:42:29 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201208033441.28207-1-kyung.min.park@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/12/20 04:34, Kyung Min Park wrote: > Introduce AVX512_FP16 feature and expose it to KVM CPUID for processors > that support it. KVM reports this information and guests can make use > of it. > > Detailed information on the instruction and CPUID feature flag can be found > in the latest "extensions" manual [1]. > > Reference: > [1]. https://software.intel.com/content/www/us/en/develop/download/intel-architecture-instruction-set-extensions-programming-reference.html > > Cathy Zhang (1): > x86: Expose AVX512_FP16 for supported CPUID > > Kyung Min Park (1): > Enumerate AVX512 FP16 CPUID feature flag > > arch/x86/include/asm/cpufeatures.h | 1 + > arch/x86/kernel/cpu/cpuid-deps.c | 1 + > arch/x86/kvm/cpuid.c | 2 +- > 3 files changed, 3 insertions(+), 1 deletion(-) > Queued, with adjusted commit message according to Sean's review. Paolo