Messages in this thread | | | Date | Wed, 7 Jan 2015 17:26:16 -0800 | From | Brian Norris <> | Subject | Re: [PATCH v3] mtd: test: Replace timeval with ktime_t in speedtest.c and torturetest.c |
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On Thu, Dec 18, 2014 at 08:53:10AM +0100, Arnd Bergmann wrote: > On Thursday 18 December 2014 11:23:31 Chunyan Zhang wrote: > > This patch changes the 32-bit time type (timeval) to the 64-bit one > > (ktime_t), since 32-bit time types will break in the year 2038. > > > > I use ktime_t instead of timeval to define 'start' and 'finish' > > which are used to get the time for tow points. > > > > This patch also changes do_gettimeofday() to ktime_get() accordingly, > > since ktime_get returns a ktime_t, but do_gettimeofday returns a > > struct timeval, and the other reason is that ktime_get() uses > > the monotonic clock. > > > > This patch is based on another patch which privides a millisecond > > time difference function 'ktime_ms_delta' in ktime.h > > > > http://lkml.iu.edu//hypermail/linux/kernel/1412.2/00625.html > > > > Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org> > > Reviewed-by: Arnd Bergmann <arnd@arndb.de> > > > > The new version still looks good to me, but as there is now a > dependency on another patch, I'd suggest we queue this up in the > y2038 branch together with the patch that introduces ktime_ms_delta. > > David or Brian, can you provide an Ack for this, or do you have > any objections?
I just tested v2, which doesn't have this dependency and has only a trivial difference from v3. Seems to work OK. So:
Tested-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Brian Norris <computersforpeace@gmail.com>
Feel free to queue it in the dependent branch.
Thanks, Brian
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