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SubjectRe: [PATCH v3 4/4] input: serio: Replace timeval by timespec64
On Mon, Dec 4, 2017 at 1:55 AM, Deepa Dinamani <> wrote:
> struct timeval is not y2038 safe.
> All references to timeval will be deleted from the
> kernel to make it y2038 safe.
> Replace its uses by y2038 safe struct timespec64.
> The timestamps changed here only keep track of delta
> times. These timestamps are also internal to kernel.
> Hence, monotonic times are sufficient here.
> The unit of the delta times is also changed in certain
> cases to nanoseconds rather than microseconds. This is
> in line with timespec64 which keeps time in nanoseconds.
> Signed-off-by: Deepa Dinamani <>
> Reviewed-by: Arnd Bergmann <>

Hi Deepa,

I forgot you also had these on your backlog. I submitted a different
set of patches
two weeks ago for the two HP drivers, originally by Pingbo Wen, based on a
different approach.

That version simplified the code in question a bit more by using jiffies,
while your version is a little safer since it changes less. Both versions
should be fine though, it's up to Dmitry which one he wants to pick up.


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