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authorLiu Jingqi <jingqi.liu@intel.com>2018-11-06 15:13:27 +0800
committerEduardo Habkost <ehabkost@redhat.com>2018-12-11 18:50:48 -0200
commit1c65775ffc2dbd276a8bffe592feba0e186a151c (patch)
tree6b4171e14721da43b4eb8d19f11963e0f6618c15 /include/qapi/string-input-visitor.h
parent24261de4916596d8ab5f5fee67e9e7a19e8325a5 (diff)
downloadfocaccia-qemu-1c65775ffc2dbd276a8bffe592feba0e186a151c.tar.gz
focaccia-qemu-1c65775ffc2dbd276a8bffe592feba0e186a151c.zip
x86/cpu: Enable MOVDIR64B cpu feature
MOVDIR64B moves 64-bytes as direct-store with 64-bytes write atomicity.
Direct store is implemented by using write combining (WC) for writing
data directly into memory without caching the data.

The bit definition:
CPUID.(EAX=7,ECX=0):ECX[bit 28] MOVDIR64B

The release document ref below link:
https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.pdf

Cc: Xu Tao <tao3.xu@intel.com>
Signed-off-by: Liu Jingqi <jingqi.liu@intel.com>
Message-Id: <1541488407-17045-3-git-send-email-jingqi.liu@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'include/qapi/string-input-visitor.h')
0 files changed, 0 insertions, 0 deletions