Egoitz Aurrekoetxea Departamento de sistemas 94 - 420 94 70 egoitz@sarenet.es www.sarenet.es Parque Tecnológico. Edificio 103 48170 Zamudio (Bizkaia)

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On Thursday 5 December 2024 23:01:36 GMT Grant Edwards wrote:

On 2024-12-05, Egoitz Aurrekoetxea <egoitz@sarenet.es> wrote:

Does exist a way... where you could emerge world, update all the

system, finally end up by upgrading the kernel and being sure that

the old .config you used through menuconfig (or by any other way of

importing) would not select erroneous parameters in newer

kernels?

All my systems run custom-configured kernels built from on stable

gentoo-sources.

All I've ever done for a kernel upgrades is to go into the new kernel

source dir and do the following:

# zcat /proc/zconfig >.config

# make oldconfig

# make

# make install

For the past 20+ years, that has always worked fine for minor version

changes (e.g. 5.15.x ⇒ 5.15.y)

There have been a few major upgrades in the past 20 years when a large

kernel subsystem change required some sort of manual intervention with

a "make menuconfig". But, I can't actually remember the last time it

happened (it's been years).

--

Grant

Also, don't forget 'make modules_install' for any modules not built in the
kernel.

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