linux-kernel - Re: [PATCH 2/2] mtip32xx: Unmap the DMA segments before completing the IO request

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Message-ID: <5321CF2B.6090309@kernel.dk>
Date:	Thu, 13 Mar 2014 09:30:51 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Felipe Franciosi <felipe@...adoxo.org>,
	linux-kernel@...r.kernel.org
CC:	Sam Bradshaw <sbradshaw@...ron.com>,
	David Vrabel <david.vrabel@...rix.com>
Subject: Re: [PATCH 2/2] mtip32xx: Unmap the DMA segments before completing
 the IO request

On 03/13/2014 08:34 AM, Felipe Franciosi wrote:
> If the buffers are unmapped after completing a request, then stale data
> might be in the request.

Both should be marked for stable, I'll add that.

Sam, I'll queue these two up. Please re-send your fix for bug introduced 
with the unaligned reduction as a proper patch, and I'll get that in too.

-- 
Jens Axboe

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