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Re: [PATCH 0/3] rtc: make st-lpc robust against y2038/2106 bug

From Shuah Khan <shuah@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 0/3] rtc: make st-lpc robust against y2038/2106 bug
Date 2017-06-16 17:20 +0200
Message-ID <tT1ct-1LU-9@gated-at.bofh.it> (permalink)
References <tT06K-14T-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 06/16/2017 08:03 AM, Benjamin Gaignard wrote:
> On 32bits platforms "struct timeval" or "time_t" are using u32 to code the
> date, this cause tools like "date" or "hwclock" failed even before setting
> the RTC device if the date is superior to year 2038 (or 2106).
> 
> To avoid this problem I add two RTC tests files which directly use RTC ioctl
> to set and read RTC time and alarm values.
> rtctest_setdate allow to set any date/time given in the command line.
> rtctest-2038 perform a basic test by writing 1-1-2200 in RTC time and alarm
> and checking that the read back values are correct.
> 
> Finally that had allowed me to test and fix rtc-st-lpc driver.
> 
> Benjamin Gaignard (3):
>   tools: timer: add rtctest_setdate
>   tools: timer: add test to check y2038/2106 bug
>   rtc: st-lpc: make it robust against y2038/2106 bug
> 
>  drivers/rtc/rtc-st-lpc.c                         |  19 ++--
>  tools/testing/selftests/timers/Makefile          |   4 +-
>  tools/testing/selftests/timers/rtctest-2038.c    | 135 +++++++++++++++++++++++
>  tools/testing/selftests/timers/rtctest_setdate.c |  86 +++++++++++++++
>  4 files changed, 232 insertions(+), 12 deletions(-)
>  create mode 100644 tools/testing/selftests/timers/rtctest-2038.c
>  create mode 100644 tools/testing/selftests/timers/rtctest_setdate.c
> 

Hi John/Thomas,

Please review them and let me know. Looks to me these will make good
additions to 4.13-rc1 kselftest content.

thanks,
-- Shuah

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[PATCH 0/3] rtc: make st-lpc robust against y2038/2106 bug Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-06-16 16:10 +0200
  Re: [PATCH 0/3] rtc: make st-lpc robust against y2038/2106 bug Shuah Khan <shuah@kernel.org> - 2017-06-16 17:20 +0200

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