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SubjectRe: [PATCH v2] kbuild: allow symbol whitelisting with TRIM_UNUSED_KSYMS
On Tuesday 04 Feb 2020 at 14:44:15 (+0000), 'Matthias Maennich' via kernel-team wrote:
> That definitely looks like I would expect that config option to work.

Good, thank you, I'll send an update.

And while at it, I realized we could actually pre-populate autoksyms.h
very early on with the content of the whitelist instead of having it
empty. That way, there's a whole lot of things that will be compiled
'correctly' from the start (that is, won't need to
re-compile them later on). And in fact, if all symbols used by in-tree
modules happen to already be on the whitelist, you'll build a trimmed
kernel in a single pass, which should improve build time a bit I hope.

I'll add something to v3 in addition to your suggestion.


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