Updating env/kernel-config after rebasing/kernel version bump

[Robert Marko]

On Wed, 28 Dec 2022 at 01:01, Philip Prindeville
<philipp_subx at redfish-solutions.com> wrote:
>
>
>
> > On Dec 27, 2022, at 4:50 PM, Robert Marko <robimarko at gmail.com> wrote:
> >
> > On Wed, 28 Dec 2022 at 00:48, Philip Prindeville
> > <philipp_subx at redfish-solutions.com> wrote:
> >>
> >> Hi,
> >>
> >> I originally set up my env/kernel-config a long time ago (like 2018) by hand, and since then the kernel has gone through several bumps.  How do I easily refresh it to pick up new stuff from target/linux/x86/64/config-${KVER} (where KVER=5.15 currently)?  Is there a handy script or make target to do this?
> >
> > There is make kernel_menuconfig that will essentially give you the
> > kernel menuconfig and refresh the config after saving.
>
>
> Right, but what does that involve?  Will it pick up new symbols from the new kernel target?  If there's a new default in 5.15 that wasn't in 5.10, how does it find its way into my config?
>
> I tried diffing target/linux/x86/64/config-5.15 and env/kernel-config and there's a whole lot of changes.
>
> Or is env/kernel-config the delta from the defaults for any given kernel version in config-${KVER}?

I have to admit that I have not used the env script so far, so I dont
know how it works.

Regards,
Robert
>
>
> >
> > Regards,
> > Robert
> >>
> >> Thanks,
> >>
> >> -Philip
> >>
> >>
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>