Re: [PATCH v7] isdn: Use ktime_t instead of 'struct timeval'

From: David Miller
Date: Sun Mar 20 2016 - 16:47:48 EST


From: Tina Ruchandani <ruchandani.tina@xxxxxxxxx>
Date: Sat, 19 Mar 2016 11:21:14 -0700

> 'struct timeval' uses 32-bit representation for seconds which will
> overflow in year 2038 and beyond. mISDN/clock.c needs to compute and
> store elapsed time in intervals of 125 microseconds. This patch replaces
> the usage of 'struct timeval' with 64-bit ktime_t which is y2038 safe.
> The patch also replaces do_gettimeofday() (wall-clock time) with
> ktime_get() (monotonic time) since we only care about elapsed time here.
>
> Signed-off-by: Tina Ruchandani <ruchandani.tina@xxxxxxxxx>
> Suggested-by: Arnd Bergmnann <arnd@xxxxxxxx>
> Suggested-by: David Miller <davem@xxxxxxxxxxxxx>

Applied, thank you.