netdev - Re: [PATCH RFC 30/30] net: fec: consolidate hwtstamp implementation

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Message-ID: <20140621061112.GA3965@localhost.localdomain>
Date:	Sat, 21 Jun 2014 08:11:12 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	Russell King <rmk+kernel@....linux.org.uk>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Fugang Duan <B38611@...escale.com>, netdev@...r.kernel.org
Subject: Re: [PATCH RFC 30/30] net: fec: consolidate hwtstamp implementation

On Fri, Jun 20, 2014 at 01:14:16PM +0100, Russell King wrote:
> Both transmit and receive use the same infrastructure for calculating
> the packet timestamp.  Rather than duplicating the code, provide a
> function to do this common work.  Model this function in the Intel
> e1000e version which avoids calling ns_to_ktime() within the spinlock;
> the spinlock is critical for timecounter_cyc2time() but not
> ns_to_ktime().

Thanks for cleaning this up.

Acked-by: Richard Cochran <richardcochran@...il.com>
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