Subject: Re: [linux-audio-user] gentoo mm-sources
From: Paul Winkler (pw_lists_AT_slinkp.com)
Date: Fri Jul 25 2003 - 20:14:39 EEST
On Fri, Jul 25, 2003 at 04:50:41PM +0200, Burkhard Woelfel wrote:
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> On Friday 25 July 2003 11:37, Chris wrote:
> > Finally, another gentoo user!
>
> Not the only one here... :-)
Indeed. I'm running gentoo on my main box for a few months now.
Regarding kernel patches, with just a little grepping in the portage
tree I was able to glean the following info...
source latency-related info
------- ---------------------
ck-sources "in general his kernels are known to be VERY
low latency."
doesn't say what patches are contained, but
based on notes in other sources, I guess
LL, PE, and O(1)
gaming-sources ebuild contains a URL of a page that tells all:
http://members.optusnet.com.au/ckolivas/kernel/
... at which you can see it contains LL, PE,
and O(1) among other things.
Also read the FAQ, it mentions some notable bugs
e.g. hdparm is broken at least with gaming-sources
for 2.4.21:
http://members.optusnet.com.au/ckolivas/kernel/#faq
gentoo-sources "Based heavily on ck-sources-2.4.20-r2..."
contains LL,PE,O(1)
gs-sources contains LL, PE
gentoo-hardened - ck7-base (O(1), preempt, low latency)
mm-sources This is for 2.5/2.6 kernels, which I have not
really paid attention to. Contains some patches
from Andrew Morton.
wolf-sources "replaced:LowLatency in favor of lowlatency
fixes from latest -AA"
Note that you still have to pay attention to configuration options:
e.g. if you don't enable lowlatency and preemptible during kernel
config, the patches might as well not be there :-)
--Paul Winkler http://www.slinkp.com
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