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Date:   Thu, 12 Jul 2018 01:29:56 -0700
From:   Christoph Hellwig <>
To:     Deepa Dinamani <>
Subject: Re: [PATCH v3 7/7] timex: change syscalls to use struct

On Fri, Jul 06, 2018 at 10:42:47PM -0700, Deepa Dinamani wrote:
> struct timex is not y2038 safe.
> Switch all the syscall apis to use y2038 safe __kernel_timex.

So you switch existing syscalls to use a different structure.
If this actually happens to be safe it needs a big explanation
in the commit log.

> -
>  COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock,
>  		       struct compat_timex __user *, utp)
>  {
> @@ -1187,10 +1183,6 @@ COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock,
>  	return err;
>  }
> -#endif

And this unconditionally defines clock_adjtime, but doesn't actually
seem to add callers, which looks rather odd.  Same for other bits
in the patch.

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