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From: Thomas Gleixner <tglx@linutronix.de>
To: "pang.xunlei" <pang.xunlei@linaro.org>
Cc: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com,
	Alessandro Zummo <a.zummo@towertech.it>,
	John Stultz <john.stultz@linaro.org>,
	Arnd Bergmann <arnd.bergmann@linaro.org>
Subject: Re: [RFC PATCH v3 2/5] time: Provide y2038 safe timekeeping_inject_sleeptime() replacement
Date: Tue, 18 Nov 2014 13:05:22 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.11.1411181303520.3909@nanos> (raw)
In-Reply-To: <1416309320-7498-3-git-send-email-pang.xunlei@linaro.org>

On Tue, 18 Nov 2014, pang.xunlei wrote:

> As part of addressing "y2038 problem" for in-kernel uses, this
> patch adds timekeeping_inject_sleeptime64() using timespec64.
> 
> After this patch, timekeeping_inject_sleeptime() is deprecated
> and all its call sites will be fixed using the new interface,
> after that it can be removed.
> 
> NOTE: timekeeping_inject_sleeptime() is safe actually, but we
> want to eliminate timespec eventually, so comes this patch.

While it's safe, the change gets rid of the timespec conversion, so
it makes sense on its own.
 
> -	tmp = timespec_to_timespec64(*delta);
> -	__timekeeping_inject_sleeptime(tk, &tmp);
> +	__timekeeping_inject_sleeptime(tk, delta);

Thanks,

	tglx

  reply	other threads:[~2014-11-18 12:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-18 11:15 [RFC PATCH v3 0/5] y2038 in-kernel interface changes for drivers/rtc pang.xunlei
2014-11-18 11:15 ` [RFC PATCH v3 1/5] time: Provide y2038 safe do_settimeofday() replacement pang.xunlei
2014-11-18 11:15 ` [RFC PATCH v3 2/5] time: Provide y2038 safe timekeeping_inject_sleeptime() replacement pang.xunlei
2014-11-18 12:05   ` Thomas Gleixner [this message]
2014-11-18 11:15 ` [RFC PATCH v3 3/5] time: Provide y2038 safe mktime() replacement pang.xunlei
2014-11-18 11:15 ` [RFC PATCH v3 4/5] rtc/lib: Provide y2038 safe rtc_tm_to_time()/rtc_time_to_tm() replacement pang.xunlei
2014-11-18 11:15 ` [RFC PATCH v3 5/5] rtc/mc13xxx: Eliminate time problems pang.xunlei
2014-11-18 14:13 ` [RFC PATCH v3 0/5] y2038 in-kernel interface changes for drivers/rtc Thomas Gleixner
2014-11-19 13:41   ` pang.xunlei
2014-11-19 23:53 ` John Stultz

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