On Mon, Sep 15, 2014 at 10:03:56AM -0400, JWP wrote:
> So, also on my hwclock todo list is drift correcting --show.
> I believe that doing them together will yield a more eloquent
> patch, and streamline the code in general. Therefore, please
> disregard this patch for the time being. I apologize for
> submitting it prematurely.
OK, the idea to read adjtime file when we apply HW clock to
sys time makes sense.
> Of course, comments on the concepts or the code are welcome.
Something else:
See Documentation/TODO, the writable /etc/adjtime sucks, because in
many cases we want to keep /etc read-only. I see two possible ways:
1. move the file to /var/lib/hwclock/adjtime
This is already possible by "./configure ADJTIME_PATH=/var/lib/hwclock/adjtime"
(used for example by Linux-from-scratch project).
-- the problem is that the file (specially last UTC/LOCAL line)
may be expected by another tools
2. create another independent /var/lib/hwclock/drift file with
info about HW clock drift numbers and keep only zeros and
and UTC/LOCAL setting in /etc/adjtime.
This could be implemented backwardly compatible, if there is no
/var/lib/hwclock then always use /etc/adjtime for drift numbers.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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