netdev - Re: [PATCH net-next 1/2] mlx4_en: Add PTP hardware clock

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Date:	Wed, 25 Dec 2013 18:02:58 +0100
From:	Richard Cochran <richardcochran@...il.com>
To:	Shawn Bohrer <shawn.bohrer@...il.com>
Cc:	Tom Ketterhagen <tomk@...advisors.com>,
	netdev <netdev@...r.kernel.org>, Amir Vadai <amirv@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Hadar Hen Zion <hadarh@...lanox.com>,
	"David S. Miller" <davem@...emloft.net>,
	Shawn Bohrer <sbohrer@...advisors.com>
Subject: Re: [PATCH net-next 1/2] mlx4_en: Add PTP hardware clock

On Wed, Dec 25, 2013 at 08:11:00AM -0600, Shawn Bohrer wrote:
> 
> The read/write lock appears to meet these needs but also appears to be
> frowned upon and RCU seems to be preferred.  I'm a bit ignorant when it
> comes to RCU, but can it be used in this case?

No, don't use RCU. It would not make sense here. Just use
reader/writer locks.

Thanks,
Richard
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