[rtc-linux] Re: [PATCH v2 2/2] rtc: add driver for RX6110SA real time clock

[Alexandre Belloni <alexandre.belloni@free-electrons.com>]

On 01/12/2015 at 20:49:19 +0100, Uwe Kleine-K=C3=B6nig wrote :
> > Seeing the comment comment above, this should probably be if
> > (tm->tm_year < 100 || tm->tm_year >=3D 200)
> > I don't think this particular part has any issue
> > handling 2038. However, on 32bit platform, your userspace is probably
> > not ready to handle those date. hwclock should return the correct date.
>=20
> userspace is not ready because it cannot. Before this can be addressed,
> quite some things need fixing first. If I understood correctly timerfd
> for example is broken which completely locks up systemd.
>=20
> Note this doesn't justify to not write a date later than 2037 in the rtc
> driver however. Still thinking about how to handle this for the machines
> we work on, we thought about letting the RTC_RD_TIME ioctl fail for
> dates later than 2038 to work around this issue.
>=20

Yeah but the rtc doesn't have any issue handling dates after 2038 so if
it is used on a 64bit system, it can work properly until february 2100.

Also, I'm not sure how that solves your problem anyway.

--=20
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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