Re: [PATCH 1/1] i386/cpu: Expose AVX_VNNI instruction to guset

2021-03-08 Thread Yang Zhong
Paolo, please help review this patch when you are not busy. The related kernel patch has been merged by you last time, thanks! Regards, Yang On Mon, Mar 01, 2021 at 01:15:52PM +0800, Yang Zhong wrote: > Expose AVX (VEX-encoded) versions of the Vector Neural Network > Instructions to guest. >

[PATCH 1/1] i386/cpu: Expose AVX_VNNI instruction to guset

2021-02-28 Thread Yang Zhong
Expose AVX (VEX-encoded) versions of the Vector Neural Network Instructions to guest. The bit definition: CPUID.(EAX=7,ECX=1):EAX[bit 4] AVX_VNNI The following instructions are available when this feature is present in the guest. 1. VPDPBUS: Multiply and Add Unsigned and Signed Bytes 2.