netdev - RE: [net-next 07/12] bna: CQ Read Fix

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Message-ID: <E5313AF6F2BFD14293E5FD0F94750F86B69010E2D8@HQ1-EXCH01.corp.brocade.com>
Date:	Tue, 17 Dec 2013 17:07:23 -0800
From:	Rasesh Mody <rmody@...cade.com>
To:	David Miller <davem@...emloft.net>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Adapter Linux Open SRC Team" 
	<adapter_linux_open_src_team@...cade.COM>
Subject: RE: [net-next 07/12] bna: CQ Read Fix

>From: David Miller [mailto:davem@...emloft.net]
>Sent: Friday, December 13, 2013 10:56 PM
>
>From: Rasesh Mody <rmody@...cade.com>
>Date: Thu, 12 Dec 2013 17:54:33 -0800
>
>> Valid bit check for completion needs read fence, so that it does not
>> get reordered with other loads.
>>
>> Signed-off-by: Rasesh Mody <rmody@...cade.com>
>
>All memory barriers added to code should have a big, verbose, comment
>above it explaining exactly what the requirements are that will be satisfied by
>the memory barrier.
>
>Ie. what memory operation must be visible before or after what other
>memory operation, and why?

Resending the patch set with comment included.
Thanks,
--Rasesh
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