Re: [PATCH 6/6] cputime: Introduce cputime_to_timespec64()/timespec64_to_cputime()

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH 6/6] cputime: Introduce cputime_to_timespec64()/timespec64_to_cputime()
Date	2015-07-15 12:40 +0200
Message-ID	<pMsgx-4Rv-5@gated-at.bofh.it> (permalink)
References	<pMnJV-6IC-5@gated-at.bofh.it> <pMo3f-7ko-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Wed, 15 Jul 2015, Baolin Wang wrote:

> The cputime_to_timespec() and timespec_to_cputime() functions are
> not year 2038 safe on 32bit systems due to that the struct timepsec
> will overflow in 2038 year.

And how is this relevant? cputime is not based on wall clock time at
all. So what has 2038 to do with cputime?

We want proper explanations WHY we need such a change.

Thanks,

	tglx

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Thread

[PATCH 0/6] Introduce 64bit accessors and structures required to address y2038 issues in the posix_clock subsystem Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 07:50 +0200
  [PATCH 2/6] timekeeping: Introduce current_kernel_time64() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 08:00 +0200
  [PATCH 3/6] security: Introduce security_settime64() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 08:00 +0200
    Re: [PATCH 3/6] security: Introduce security_settime64() Thomas Gleixner <tglx@linutronix.de> - 2015-07-15 12:30 +0200
      Re: [PATCH 3/6] security: Introduce security_settime64() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 13:40 +0200
  [PATCH 1/6] time: Introduce struct itimerspec64 Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 08:00 +0200
  [PATCH 4/6] time: Introduce do_sys_settimeofday64() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 08:10 +0200
  [PATCH 6/6] cputime: Introduce cputime_to_timespec64()/timespec64_to_cputime() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 08:10 +0200
    Re: [PATCH 6/6] cputime: Introduce  cputime_to_timespec64()/timespec64_to_cputime() Thomas Gleixner <tglx@linutronix.de> - 2015-07-15 12:40 +0200
      Re: [PATCH 6/6] cputime: Introduce cputime_to_timespec64()/timespec64_to_cputime() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 13:50 +0200
        Re: [PATCH 6/6] cputime: Introduce  cputime_to_timespec64()/timespec64_to_cputime() Thomas Gleixner <tglx@linutronix.de> - 2015-07-15 14:00 +0200
          Re: [PATCH 6/6] cputime: Introduce cputime_to_timespec64()/timespec64_to_cputime() Baolin Wang <baolin.wang@linaro.org> - 2015-07-16 04:30 +0200
            Re: [PATCH 6/6] cputime: Introduce  cputime_to_timespec64()/timespec64_to_cputime() Thomas Gleixner <tglx@linutronix.de> - 2015-07-16 12:50 +0200
              Re: [PATCH 6/6] cputime: Introduce cputime_to_timespec64()/timespec64_to_cputime() Baolin Wang <baolin.wang@linaro.org> - 2015-07-17 10:40 +0200
  [PATCH 5/6] time: Introduce timespec64_to_jiffies()/jiffies_to_timespec64() Baolin Wang <baolin.wang@linaro.org> - 2015-07-15 08:10 +0200

csiph-web