linux-kernel - Re: [PATCH] Revert "cxgb3: Check and handle the dma mapping errors"

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Message-Id: <20130815.012404.1180223951215075384.davem@davemloft.net>
Date:	Thu, 15 Aug 2013 01:24:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	divy@...lsio.com
Cc:	aik@...abs.ru, linuxppc-dev@...ts.ozlabs.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, santosh@...lsio.com,
	fenlason@...hat.com
Subject: Re: [PATCH] Revert "cxgb3: Check and handle the dma mapping errors"

From: Divy Le ray <divy@...lsio.com>
Date: Wed, 14 Aug 2013 08:57:24 -0700

> On 08/14/2013 02:19 AM, Alexey Kardashevskiy wrote:
>> This reverts commit f83331bab149e29fa2c49cf102c0cd8c3f1ce9f9.
>>
>> As the tests PPC64 (powernv platform) show, IOMMU pages are leaking
>> when transferring big amount of small packets (<=64 bytes),
>> "ping -f" and waiting for 15 seconds is the simplest way to confirm
>> the bug.
>>
>> Cc: Linus Torvalds<torvalds@...ux-foundation.org>
>> Cc: Santosh Rastapur<santosh@...lsio.com>
>> Cc: Jay Fenlason<fenlason@...hat.com>
>> Cc: David S. Miller<davem@...emloft.net>
>> Cc: Divy Le ray<divy@...lsio.com>
>> Signed-off-by: Alexey Kardashevskiy<aik@...abs.ru>
> 
> Acked-by: Divy Le Ray <divy@...lsio.com>

Applied, thanks.
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