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UefiCpuPkg/RegisterCpuFeaturesLib: Supports test then write new value logic.
authorDong, Eric <eric.dong@intel.com>
Fri, 16 Aug 2019 03:57:29 +0000 (11:57 +0800)
committerRay Ni <ray.ni@intel.com>
Tue, 20 Aug 2019 18:44:49 +0000 (02:44 +0800)
commit95cfe6c24714a11c894070a0bf2f2ba08f0ff68b
treedf0900119f550d57cbf85a5ef833c5d1cd2dd01dtree
parent6b3645ade5c0b1ff4c6f9cdcb64a2eea40fa80c1commit | diff
UefiCpuPkg/RegisterCpuFeaturesLib: Supports test then write new value logic.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2040

Supports new logic which test current value before write new value.
Only write new value when current value not same as new value.

Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c diff | blob | blame | history
EFI Development Kit II mirror for PVE