Better testing when patching divers/staging/ - howto?

[Valdis.Kletnieks at vt.edu]

On Fri, 05 Sep 2014 11:54:45 -0700, Greg KH said:

> Don't also forget a general 'make' for the whole tree, otherwise
> undefined symbols that you might have deleted from the module will not
> show up if you just build one subdirectory.

If resources permit, do a 'make allnoconfig; make', a 'make allmodconfig; make',
and a 'make allyesconfig; make' as well.  A few randconfig's might not
hurt too.  This will often shake loose corner configuration cases where either
a definition or a use is hiding inside a CONFIG_FOO in the source.
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