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Date: Sat, 7 Jul 2018 02:31:53 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: Don Lewis <truckman@FreeBSD.org>
Cc: Warner Losh <imp@bsdimp.com>, svn-src-head@freebsd.org,
 svn-src-all@freebsd.org, src-committers <src-committers@freebsd.org>,
 "Rodney W. Grimes" <rgrimes@freebsd.org>,
 Hans Petter Selasky <hselasky@freebsd.org>
Subject: Re: svn commit: r336025 - in head/sys: amd64/include i386/include
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On Fri, Jul 06, 2018 at 05:06:03PM -0700, Don Lewis wrote:
> The other machine is my Pentium-M laptop, which is mostly used for light
> browsing and as a VNC client when I'm on the road.  Performance is
> acceptable for those uses.  Both machines run stripped down UP kernels to
> avoid wasting RAM unnecessarily and to optimize CPU cycles on the laptop.
> 
> [...] I've managed to commit changes that break UP builds and not known
> it until I received reports of broken builds from other users.

:-) That's funny: you run custom UP kernels, and yet managed to break UP
builds with the breakage being unknown to you until you received reports
from other users, lol.

On a related note, did you measure how much (e.g. in terms of battery
life) your laptop gains from using the UP kernel?  Could you also share
your config?  I'm using Pentium-M laptop as my primary machine as well,
and always eager to squeeze something more out of it.  Thanks,

./danfe