linux-kernel - [PATCH RFC] kvm: x86: AVX512

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Message-Id: <1561029712-11848-1-git-send-email-jing2.liu@linux.intel.com>
Date:   Thu, 20 Jun 2019 19:21:51 +0800
From:   Jing Liu <jing2.liu@...ux.intel.com>
To:     pbonzini@...hat.com, kvm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, jing2.liu@...el.com,
        jing2.liu@...ux.intel.com
Subject: [PATCH RFC] kvm: x86: AVX512_BF16 feature support

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(-)

-- 
1.8.3.1