Use processor barrier in MemoryFence implementation to solve stress test failure#38
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GangSecurity wants to merge 2 commits intoprojectceladon:celadon/u/mr0/masterfrom
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Use processor barrier in MemoryFence implementation to solve stress test failure#38GangSecurity wants to merge 2 commits intoprojectceladon:celadon/u/mr0/masterfrom
GangSecurity wants to merge 2 commits intoprojectceladon:celadon/u/mr0/masterfrom
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Tracked-On: OAM-128405 Signed-off-by: Gang G Chen <gang.g.chen@intel.com>
__volatile__("": : :"memory") is compiler barrier to tell compiler
don't reoder memory related instruction
__volatile__("mfence": : :"memory") is processor barrier that all
the RW instuction to complete before this instruction
This can sovle kernelflinger hang issue in boot stress test
Tracked-On: OAM-128405
Signed-off-by: Gang G Chen <gang.g.chen@intel.com>
Signed-off-by: Alek Du <alek.du@intel.com>
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