[HELP]CPU in SYSFS:/sys/devices/system/cpu/cpu0/microcode

[Ren Zhen]

Hi all:
Can anyone help me to understand the usage of 'microcode'
in /sys/devices/system/cpu/cpu0/.

-------------------------------------------------------------------------------------
mysystem: /sys/devices/system/cpu/cpu0/ #ls
processor_flags reload version
-------------------------------------------------------------------------------------

What are the usages of 'processor_flags', 'reload' and 'version'?

I have searched in the Documentation and LKML,but failed to find helpful
information.
Can Anyone who know those give me some more information about this?

Any help will be appreciated!
-- 
Sincerely,
Ren Zhen
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