[PATCH] KConfig: Rewrite globals only if modified

[Chusslove Illich]

> [: David Faure :]
> [...] I was wondering if it was possible to actively test for what the
> patch is fixing - I guess that means "testing that the global config isn't
> rewritten when not necessary, by comparing its timestamp from before and
> after the write operation" [...]

How about this?

-- 
Chusslove Illich (Часлав Илић)
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