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

From: David Miller
Date: Thu Aug 15 2013 - 04:24:20 EST


From: Divy Le ray <divy@xxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxx>
>> Cc: Santosh Rastapur<santosh@xxxxxxxxxxx>
>> Cc: Jay Fenlason<fenlason@xxxxxxxxxx>
>> Cc: David S. Miller<davem@xxxxxxxxxxxxx>
>> Cc: Divy Le ray<divy@xxxxxxxxxxx>
>> Signed-off-by: Alexey Kardashevskiy<aik@xxxxxxxxx>
>
> Acked-by: Divy Le Ray <divy@xxxxxxxxxxx>

Applied, thanks.
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