[PATCH RFC] kvm: x86: AVX512_BF16 feature support

From: Jing Liu
Date: Thu Jun 20 2019 - 07:23:08 EST


The patch focuses on a new instruction AVX512_BF16 support for kvm guest, defined
as CPUID.(EAX=7,ECX=1):EAX[bit 5], see spec[1].

The kvm implementation depends on kernel patch[2] which is in lkml discussion.

References:
[1] https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.pdf
[2] https://lkml.org/lkml/2019/6/19/912

Jing Liu (1):
kvm: x86: Expose AVX512_BF16 feature to guest

arch/x86/kvm/cpuid.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)

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1.8.3.1