在 2022/10/19 16:52, Borislav Petkov 写道: > On Wed, Oct 19, 2022 at 04:47:32PM +0800, Jiaxi Chen wrote: >> AVX-VNNI-INT8 is a new set of instructions in the latest Intel platform >> Sierra Forest. It multiplies the individual bytes of two unsigned or >> unsigned source operands, then add and accumulate the results into the >> destination dword element size operand. This instruction allows for the >> platform to have superior AI capabilities. >> >> The bit definition: >> CPUID.(EAX=7,ECX=1):EDX[bit 4] >> >> This patch enables this CPUID in the kernel feature bits and expose it to >> guest OS. Since the CPUID involves a bit of EDX (EAX=7,ECX=1) which has not >> been enumerated yet, this patch adds CPUID_7_1_EDX to CPUID subleaves. At >> the same time, word 20 is newly-defined in CPU features for CPUID level > > For all your commit messages: > > Avoid having "This patch" or "This commit" in the commit message. It is > tautologically useless. Will follow this in the future. Thanks. > > Also, do > > $ git grep 'This patch' Documentation/process > > for more details. > > For this particular one, use scattered.c instead of adding a new leaf. > > Thx. >
