sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MdePkg/BaseLib: Use PcdSpeculationBarrierType

Browse Source 
Use PcdSpeculationBarrierType in the x86 implementation
of SpeculationBarrier() to select between AsmLfence(),
AsmCpuid(), and no operation.

Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Brian J. Johnson <brian.johnson@hpe.com>
This commit is contained in:
Michael D Kinney
2019-04-24 14:06:32 -07:00
parent a41b12574e
commit aec7465689
2 changed files with 7 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
MdePkg/Library/BaseLib/BaseLib.inf
View File

@@ -394,6 +394,7 @@
gEfiMdePkgTokenSpaceGuid.PcdMaximumAsciiStringLength ## SOMETIMES_CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdMaximumUnicodeStringLength ## SOMETIMES_CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdControlFlowEnforcementPropertyMask ## SOMETIMES_CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdSpeculationBarrierType ## SOMETIMES_CONSUMES
[FeaturePcd]
gEfiMdePkgTokenSpaceGuid.PcdVerifyNodeInList ## CONSUMES