Re: ibm-acpi development, git trees, etc

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Hi,

On 11/21/06, Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> wrote:
> But you are DoSing the *EC* in this case, not the kernel.  It is the same
> problem with direct access to LPC3B like I observed when playing with
> tp_smapi: you do it too much, the EC goes weird and the ThinkPad may do
> something stupid, like overcharging a Li-ion cell

Point taken. Agreed.
I think HZ/5 is quite sufficient, though. 2*HZ will create a (barely)
noticable latency.


> > >The TODO feature lists is:
> > >        2. Add kernel-space fan control override
> >
> > What do you mean?
>
> tp-fancontrol in kernel land, but with an ACPI-like interface.  As if
> Lenovo/IBM had done things properly and given us 8-12 thermal zones with
> trip points and a system fan power resource in all of them.

Interesting. Lot of work, though. And it will be a bit harder to
implement some wilder ideas like
http://thinkwiki.org/wiki/ACPI_fan_control_script#Ideas_for_improvement
.

Functionally, it seems easier to port tp-fancontrol to mlockall()ed
userspace C (or maybe Perl, if mlockall()ing it isn't too expensive).


> This will cause a lot of cruft in repo.or.cz that I can't easily fix (I
> can't tell the git dumb push protocol to delete a remote branch.  Heck, the
> thing is so dumb it can't even figure out it doesn't need to push something,
> unlike the pull protocol...).

Really?! Yikes.
I would just ignore this and wait the feature is (inevitably) added.


> I may not mind it much on the repo itself, but I don't want to look at a
> list of 2000 heads :)  stgit at least hides it well (it creates a different
> root tree for every patch...)

Just move .git/refs/heads/foo to .git/refs/hmh-archive/foo to hide it
from the default listings.
You can still access it as "refs/hmh-archive/foo", and git-prune will
respect it.

  Shem

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