linux-kernel - Re: [PATCH] jiffies: add time comparison functions for 64 bit jiffies

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Date:   Sat, 1 Oct 2016 01:58:29 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        John Stultz <john.stultz@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, baolin.wang@...aro.org,
        tgraf@...g.ch, rientjes@...gle.com,
        Peter Zijlstra <peterz@...radead.org>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>
Subject: Re: [PATCH] jiffies: add time comparison functions for 64 bit jiffies

Nudge, poke.

On Thu, Sep 29, 2016 at 5:33 AM, Jason A. Donenfeld <Jason@...c4.com> wrote:
> Though the time_before and time_after family of functions were nicely
> extended to support jiffies64, so that the interface would be
> consistent, it was forgotten to also extend the before/after jiffies
> functions to support jiffies64. This commit brings the interface to
> parity between jiffies and jiffies64, which is quite convenient.
>
> Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
> ---
>  include/linux/jiffies.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
> index 5fdc553..589d14e 100644
> --- a/include/linux/jiffies.h
> +++ b/include/linux/jiffies.h
> @@ -150,15 +150,19 @@ static inline u64 get_jiffies_64(void)
>
>  /* time_is_before_jiffies(a) return true if a is before jiffies */
>  #define time_is_before_jiffies(a) time_after(jiffies, a)
> +#define time_is_before_jiffies64(a) time_after64(get_jiffies_64(), a)
>
>  /* time_is_after_jiffies(a) return true if a is after jiffies */
>  #define time_is_after_jiffies(a) time_before(jiffies, a)
> +#define time_is_after_jiffies64(a) time_before64(get_jiffies_64(), a)
>
>  /* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/
>  #define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a)
> +#define time_is_before_eq_jiffies64(a) time_after_eq64(get_jiffies_64(), a)
>
>  /* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/
>  #define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a)
> +#define time_is_after_eq_jiffies64(a) time_before_eq64(get_jiffies_64(), a)
>
>  /*
>   * Have the 32 bit jiffies value wrap 5 minutes after boot
> --
> 2.10.0
>