Messages in this thread | | | Subject | Re: [PATCH] LinuxPPS (with new syscalls API) - new version | From | David Woodhouse <> | Date | Wed, 11 Jul 2007 10:17:47 +0100 |
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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
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