netdev - Re: [PATCH net-next V1 3/4] net/mlx5e: Add HW timestamping (TS) support

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Message-ID: <20151220191806.GA2027@netboy>
Date:	Sun, 20 Dec 2015 20:18:06 +0100
From:	Richard Cochran <richardcochran@...il.com>
To:	Saeed Mahameed <saeedm@....mellanox.co.il>
Cc:	Saeed Mahameed <saeedm@...lanox.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Eran Ben Elisha <eranbe@...lanox.com>,
	Tal Alon <talal@...lanox.com>
Subject: Re: [PATCH net-next V1 3/4] net/mlx5e: Add HW timestamping (TS)
 support

On Sun, Dec 20, 2015 at 03:08:18PM +0200, Saeed Mahameed wrote:
> Agree, but what will happen if the calculated period is too rapid ?
> shouldn't we have some kind of minimum ?

If the period is shorter than you can handle, then the clock will
overflow and is therefore unusable.

Thanks,
Richard
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