Messages in this thread | | | Subject | Re: [PATCH 0/2] Enumerate and expose AVX_VNNI feature | From | Paolo Bonzini <> | Date | Thu, 21 Jan 2021 16:02:17 +0100 |
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On 05/01/21 01:49, Yang Zhong wrote: > A processor supports AVX_VNNI instructions if CPUID.(EAX=7,ECX=1):EAX[bit 4] > is present. > > This series includes kernel and kvm patches, kernel patch define this > new cpu feature bit and kvm expose this bit to guest. When this bit is > enabled on cpu or vcpu, the cpu feature flag is shown as "avx_vnni" in > /proc/cpuinfo of host and guest. > > 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 > > > Kyung Min Park (1): > Enumerate AVX Vector Neural Network instructions > > Yang Zhong (1): > KVM: Expose AVX_VNNI instruction to guset > > arch/x86/include/asm/cpufeatures.h | 1 + > arch/x86/kvm/cpuid.c | 2 +- > 2 files changed, 2 insertions(+), 1 deletion(-) >
Queued, thanks.
Paolo
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