netdev - Re: [patch for 2.6.27? 3/6] e1000: prevent corruption of EEPROM/NVM

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Message-ID: <48D30335.1070908@garzik.org>
Date:	Thu, 18 Sep 2008 21:41:09 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	akpm@...ux-foundation.org
CC:	netdev@...r.kernel.org, chrisl@...are.com, arvidjaar@...l.ru,
	bruce.w.allan@...el.com, jeffrey.t.kirsher@...el.com,
	jesse.brandeburg@...el.com, john.ronciak@...el.com,
	peter.p.waskiewicz.jr@...el.com, pratap@...are.com, zach@...are.com
Subject: Re: [patch for 2.6.27? 3/6] e1000: prevent corruption of EEPROM/NVM

akpm@...ux-foundation.org wrote:
> From: Christopher Li <chrisl@...are.com> 
> 
> Andrey reports e1000 corruption, and that a patch in vmware's ESX fixed
> it.
> 
> The EEPROM corruption is triggered by concurrent access of the EEPROM
> read/write. Putting a lock around it solve the problem.
> 
> [akpm@...ux-foundation.org: use DEFINE_SPINLOCK to avoid confusing lockdep]
> Signed-off-by: Christopher Li <chrisl@...are.com>
> Reported-by: Andrey Borzenkov <arvidjaar@...l.ru>
> Cc: Zach Amsden <zach@...are.com>
> Cc: Pratap Subrahmanyam <pratap@...are.com>
> Cc: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Cc: Bruce Allan <bruce.w.allan@...el.com>
> Cc: PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>
> Cc: John Ronciak <john.ronciak@...el.com>
> Cc: Jeff Garzik <jeff@...zik.org>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---
> 
>  drivers/net/e1000/e1000_hw.c |   23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)

No further reply from Intel to my ping, and this regression needs to be 
addressed, so, applied.


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