Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] PM / Hibernate: Migrate to ktime_t | Date | Thu, 30 Oct 2014 20:08:17 +0100 |
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On Thursday 30 October 2014 11:04:53 Tina Ruchandani wrote: > This patch migrates swsusp_show_speed and its callers to using ktime_t instead > of 'struct timeval' which suffers from the y2038 problem. > > Changes to swsusp_show_speed: > - use ktime_t for start and stop times > - pass start and stop times by value > Calling functions affected: > - load_image > - load_image_lzo > - save_image > - save_image_lzo > - hibernate_preallocate_memory > Design decisions: > - use ktime_t to preserve same granularity of reporting as before > - use centisecs logic as before to avoid 'div by zero' issues caused by > using seconds and nanoseconds directly > - use monotonic time (ktime_get()) since we only care about elapsed time. > > Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> > Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
> -- > Changes in v4: > - Rebased patch off of 3.18-rc1 > Changes in v3: >
Note: you need three '-' characters to separate the patch description from any extra information that you want in the mail but not in the changelog.
Arnd
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