[Bug 36014] Re: kernel can't scale cpu frequency

[Constantine Evans]

The patch applies cleanly with the changes, but won't compile, since
mutex_lock and mutex_unlock aren't defined. After some cursory research,
it appears that the functions are called down and up in 2.6.15. Is this
correct? I am trying to compile the kernel with the names changed to up
and down now.

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kernel can't scale cpu frequency
https://launchpad.net/bugs/36014