Messages in this thread | | | Date | Thu, 30 Oct 2014 19:18:29 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] PM / Hibernate: Migrate to ktime_t |
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On Thu 2014-10-30 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>
Acked-by: Pavel Machek <pavel@ucw.cz>
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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