From: Andrew Morton <akpm@linux-foundation.org>
To: Rodolfo Giometti <giometti@linux.it>
Cc: linux-kernel@vger.kernel.org, dwmw2@infradead.org,
davej@redhat.com, sam@ravnborg.org, greg@kroah.com,
randy.dunlap@oracle.com, kay.sievers@vrfy.org,
alan@lxorguk.ukuu.org.uk, hpa@zytor.com, mingo@elte.hu,
mtk.manpages@gmail.com, hch@infradead.org
Subject: Re: LinuxPPS core (Version 2): the PPS Linux implementation.
Date: Tue, 10 Feb 2009 15:54:52 -0800 [thread overview]
Message-ID: <20090210155452.60ffa06b.akpm@linux-foundation.org> (raw)
In-Reply-To: <1234274752-29847-1-git-send-email-giometti@linux.it>
On Tue, 10 Feb 2009 15:05:51 +0100
Rodolfo Giometti <giometti@linux.it> wrote:
> This patch adds the PPS core support into Linux.
>
> Currently I just propose the "core" so after inclusion we can add all
> other related stuff as suggested by several people in this list. :)
>
> PPS means "pulse per second" and its API is specified by RFC 2783
> (Pulse-Per-Second API for UNIX-like Operating Systems, Version 1.0).
>
> The code has been tested with the NTPD program
> (http://www.eecis.udel.edu/~mills/ntp/html/index.html) and several GPS
> antennae.
>
>
> Changelog
> =========
>
> Version 1 -> 2
> --------------
>
> * fix race during PPS source registration.
>
> * PPS_CHECK removed.
>
> * not needed check in pps_exit() removed.
>
> * Printing stuff on exit removed.
>
> Version [full patchset] -> 1
> ----------------------------
>
> * stupid filenames removed.
>
> * kernel-doc documentation of exported symbols.
>
> * old BKL-locked ioctl removed.
>
> * !uarg checks in the ioctls removed.
>
> * pps.h revisited but not splitted, since several stuff are shared between
> kernel and user land (I hope this will not stop inclusion...)
>
Is it hard to do this? Just a matter of putting some things into
pps_user.h, others into pps_kernel.h and then including both into
pps.h?
next prev parent reply other threads:[~2009-02-10 23:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-10 14:05 LinuxPPS core (Version 2): the PPS Linux implementation Rodolfo Giometti
2009-02-10 14:05 ` [PATCH 1/1] LinuxPPS core support Rodolfo Giometti
2009-02-22 20:39 ` Ingo Molnar
2009-02-22 20:57 ` H. Peter Anvin
2009-02-23 6:58 ` Ingo Molnar
2009-02-24 10:13 ` Rodolfo Giometti
2009-02-10 23:54 ` Andrew Morton [this message]
2009-02-10 23:58 ` LinuxPPS core (Version 2): the PPS Linux implementation H. Peter Anvin
2009-02-11 1:51 ` Christoph Hellwig
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