* [Question] What is the main function of sym_calc_value() under scripts/kconfig/symbol.c
@ 2019-08-28 9:12 宋
0 siblings, 0 replies; only message in thread
From: 宋 @ 2019-08-28 9:12 UTC (permalink / raw)
To: linux-kernel
Hi,
When "make KCONFIG_ALLCONFIG= mytmp.config alldefconfig", I find sym_calc_value() under scripts/kconfig/symbol.c is called many times.
But I don't understand what does sym_calc_value() do.
make KCONFIG_ALLCONFIG= mytmp.config alldefconfig
-> scripts/kconfig/conf.c main()
-> switch case alldefconfig
-> conf_write()
-> sym_calc_value()
sym_calc_value() is also called in many other place.
Can you tell me the function of sym_calc_value() ?
main(): https://github.com/torvalds/linux/blob/9e8312f5e160ade069e131d54ab8652cf0e86e1a/scripts/kconfig/conf.c#L486
sym_calc_value(): https://github.com/torvalds/linux/blob/9e8312f5e160ade069e131d54ab8652cf0e86e1a/scripts/kconfig/symbol.c#L319
BestRegard,
-- Csqshz
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2019-08-28 9:12 [Question] What is the main function of sym_calc_value() under scripts/kconfig/symbol.c 宋
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