Re: [PATCH] LinuxPPS (with new syscalls API) - new version

David Woodhouse
2007-07-11T09:18:00Z

On Tue, 2007-07-10 at 18:38 +0200, Rodolfo Giometti wrote:
> On Tue, Jul 10, 2007 at 05:05:47PM +0100, David Woodhouse wrote:
> >
> > I'm sure the version with 'volatile' will also be broken then. Sounds
> > like the right answer is to fix the locking.
>
> But wish avoiding locking at all since this may delay the time stamp
> recording. We (the LinuxPPS guys) niticed that just a single
> instruction my degrade the time setting about 50%!
>
> I avoid locking just using a pointer and setting it to a dummy
> structure when not used... is that wrong? :-o

Almost certainly (admittedly said without looking).

--
dwmw2