On Tue, 2003-07-22 at 13:32, Ismael Valladolid Torres wrote:
> Michel Dänzer escribio el 22/07/03 02:22:
>
> > Which isn't very surprising, as they can use parts of the graphics chip
> > that we don't have specs for, for one.
>
> Sure. Only I remember having installed Mandrake 9.1, and I think video
> performance was somewhat better. Maybe I am wrong and memory cheats...
Possibly, it tends to. What exactly do you mean by 'video performance',
anyway?
> > Beware that at least the low latency patch needs fiddling with
> > arch/ppc/config.in to actually be enabled (check with grep LOLAT
> > .config), and that the preempt patch (which I assume you mean by R.
> > Love's) actually made things worse for me when I tried it on PPC a while
> > ago. This may have been fixed in the meantime though.
>
> You're right! First line in the patch file says:
>
> arch/i386/config.in | 3 +
>
> So the patch to the config.in file is only applied automatically for the
> i386 architecture. Indeed CONFIG_LOLAT_SYSCTL was not in my .config, so
> should I paste this manually into arch/ppc/config.in? Would this be enough?
Look at the arch/i386/config.in hunk and merge it into
arch/ppc/config.in, or try the attached patch. Then, make oldconfig and
so on.
--
Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer
Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer
--- ../linux-2.4.20-pre7-ben0/arch/ppc/config.in 2002-09-13
18:32:06.000000000 +0200
+++ arch/ppc/config.in 2002-10-01 01:10:10.000000000 +0200
@@ -35,6 +35,9 @@ choice 'Processor Type' \
POWER4 CONFIG_POWER4 \
8xx CONFIG_8xx" 6xx
+bool 'Low latency scheduling' CONFIG_LOLAT
+dep_bool 'Control low latency with sysctl' CONFIG_LOLAT_SYSCTL $CONFIG_LOLAT
+
if [ "$CONFIG_6xx" = "y" ]; then
bool 'MPC8260 CPM Support' CONFIG_8260
fi
