Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1671884

Re: [PATCH 00/51] rtc: stop using rtc deprecated functions

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

Hi!

> > > Or not, having an RTC set in the past is actually quite common. I'd find
> > > it weird to have a new device boot and be set to a date in the future.
> > 
> > ...but still better than board stuck in the past, no?
> > 
> > > Also note that the threshold or offset thing may seem like a good idea
> > > but fails with many RTCs because of how they handle leap years.
> > 
> > Well, you can still convert time from rtc to unix time, then do adjustment
> > there.
> > 
> 
> You can only if your machine is running when that happens. If that is
> not the case, then you lost and your time is not correct anymore.

I don't see why that should be a case... as long as you know what RTC
does in event of overflow, and it is not something completely crazy.

> > Anyway, I guess it would be cool for rtc drivers to annotate what limits
> > underlying storage has to the common code, so that we can do fixups once
> > per class, not once per driver.
> 
> Yes, I'm in the middle of the whole rework that allows that.
> 
> I don't understand the sudden urgency of fixing that and the amount of
> bikeshedding, seeing that the closest cutoff date is actually 31st of
> december 2069 in the rtc subsystem and that anyway the current 32bit
> userspace will explode in february 2038.
> 
> My plan from the beginning was to have something for the next stable. I
> know nobody can read my mind but again, I don't think there is currently
> any urgency to change anything.

Yes, mind reading is a problem. I can only read minds of ferungulates,
and only if they are physicaly near me :-).

Best regards,
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-06-20 23:40 +0200
  Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Thomas Gleixner <tglx@linutronix.de> - 2017-06-21 00:10 +0200
    Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-06-21 00:50 +0200
    Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Pavel Machek <pavel@ucw.cz> - 2017-06-21 10:00 +0200
      Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-06-21 10:40 +0200
        Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-06-21 11:30 +0200
          Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-06-21 11:50 +0200
        Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Pavel Machek <pavel@ucw.cz> - 2017-06-21 13:40 +0200
          Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-06-21 14:40 +0200
            Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Pavel Machek <pavel@ucw.cz> - 2017-06-21 20:10 +0200

csiph-web