Undervolt your CPU with Linux PHC and Kernel 2.6.25 - HowFlow

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Undervolt your CPU with Linux PHC and Kernel 2.6.25

Category: Linux | Tags: linux phc patch undervolting kernel

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HowFlow — The current official phc patches do not work with kernel 2.6.25. 'TeknoHog' for the rescue!

Posted by

flood 7 months ago

Step by step instructions

Get the 2.6.25 kernel sources


cd /usr/src

wget http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.25.tar.bz2

tar -xjf linux-2.6.25.tar.bz2

rm linux

ln -s linux-2.6.25 linux

Download and apply the Teknohog PHC patch


wget http://hoo.homeunix.net/~teknohog/hacks/linux-phc-kernel-vanilla-2.6.25-teknohog.patch

cd linux

# This is the dry run. Make sure that it doesn't return an error message:
patch --dry-run -p1 <../linux-phc-kernel-vanilla-2.6.25-teknohog.patch

patch -p1 <../linux-phc-kernel-vanilla-2.6.25-teknohog.patch

Now you can build and install your kernel as usual.

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