Use processor barrier in MemoryFence implementation to solve stress test failure #38
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Tracked-On: OAM-128405 Signed-off-by: Gang G Chen <[email protected]>
__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 <[email protected]>
Signed-off-by: Alek Du <[email protected]>
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