[OSSNA] Intro to kernel hacking tutorial
Tobin C. Harding
me at tobin.cc
Mon Sep 2 21:49:42 EDT 2019
On Mon, Sep 02, 2019 at 10:08:54AM -0400, Valdis Klētnieks wrote:
> On Mon, 02 Sep 2019 15:42:19 +0300, Anatoly Pugachev said:
>
> > is it intentionally that you use
> >
> > yes "" | make oldconfig
> >
> > instead of
> >
> > make olddefconfig
>
> They do something different. 'olddefconfig' just takes the platform or
> architecture defconfig and updates it for any new CONFIG_* variables added
> since the last time the defconfig was updated in the tree.
>
> yes "" | make oldconfig does the same updating for new CONFIG_* variables, but
> starts with the most recent .config - which produces wildly different results
> if the .config had previously been minimized by 'make localmodconfig' or other
> similar techniques.
Thanks Valdis, you're the man!
Tobin
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