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Date: Thu, 12 Jun 2014 10:19:08 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Johannes Berg <johannes@sipsolutions.net>
cc: LKML <linux-kernel@vger.kernel.org>, John Stultz <john.stultz@linaro.org>,
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Subject: Re: [patch 12/13] net: mac80211: Remove silly timespec dance
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On Thu, 12 Jun 2014, Johannes Berg wrote:

> On Wed, 2014-06-11 at 23:59 +0000, Thomas Gleixner wrote:
> 
> > +	msrmnt = ktime_to_ms(net_timedelta(skb_arv));
> 
> This is probably more of a question about net_timedelta(), but is
> ktime_get_real() really appropriate for duration measurements? Isn't
> that non-monotonic?

Well, it's monotonic, but might be affected by settimeofday().

Thanks,

	tglx