netdev - Re: [PATCH 2/5] ntp/pps: replace getnstime_raw_and

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Message-ID: <alpine.DEB.2.11.1509300920240.4500@nanos>
Date:	Wed, 30 Sep 2015 09:20:52 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Arnd Bergmann <arnd@...db.de>
cc:	y2038@...ts.linaro.org, John Stultz <john.stultz@...aro.org>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rodolfo Giometti <giometti@...eenne.com>,
	linux-net-drivers@...arflare.com,
	Shradha Shah <sshah@...arflare.com>,
	Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH 2/5] ntp/pps: replace getnstime_raw_and_real with 64-bit
 version

On Mon, 28 Sep 2015, Arnd Bergmann wrote:

> There is exactly one caller of getnstime_raw_and_real in the kernel,
> which is the pps_get_ts function. This changes the caller and
> the implementation to work on timespec64 types rather than timespec,
> to avoid the time_t overflow on 32-bit architectures.
> 
> For consistency with the other new functions (ktime_get_seconds,
> ktime_get_real_*, ...), I'm renaming the function to
> ktime_get_raw_and_real_ts64.
> 
> We still need to convert from the internal 64-bit type to 32 bit
> types in the caller, but this conversion is now pushed out from
> getnstime_raw_and_real to pps_get_ts. A follow-up patch changes
> the remaining pps code to completely avoid the conversion.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
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