Re: [PATCHv6 0/7] system time changes notification

[Alexander Shishkin]

On Wed, Nov 17, 2010 at 10:46:48PM +0100, Thomas Gleixner wrote:
> On Wed, 17 Nov 2010, Alexander Shishkin wrote:
> 
> > On Wed, Nov 17, 2010 at 12:42:52PM -0800, Davide Libenzi wrote:
> > > On Wed, 17 Nov 2010, Alexander Shishkin wrote:
> > > 
> > > > > But what you folks really want for this stuff is an extension to
> > > > > timerfd as you want to be able to poll, right?
> > > > > 
> > > > > So what about the following:
> > > > > 
> > > > > Add a new flag TDF_NOTIFY_CLOCK_WAS_SET to the timerfd flags. Now this
> > > > > flag adds the timer to a separate list, which gets woken up when the
> > > > > clock is set.
> > > > > 
> > > > > No new syscall, just a few lines of code in fs/timerfd.c and
> > > > > clock_was_set().
> > > > > 
> > > > > Thoughts ?
> > > > 
> > > > Something like this (sans ugliness)?
> > > 
> > > Oh, gosh, please.  This is interface-multiplexing-a-palooza.
> > 
> > Thomas made a suggestion, I came up with how it might look like so that
> 
> Yeah, I made the suggestion in the first place and I regretted it when
> Davide told me that I'm nuts :)

Well, I haven't seen any convincing technical arguments in either of
his emails. Kay, for example, made a clear point.

Regards,
--
Alex
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