Re: [PATCH 5/8] dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup

[Thomas Petazzoni]

Maxime,

On Tue, 12 May 2015 17:37:40 +0200, Maxime Ripard wrote:
> From: Lior Amsalem <alior@xxxxxxxxxxx>
> 
> This patch fixes a bug in the XOR driver where the cleanup function can be
> called and free descriptors that never been processed by the engine (which
> result in data errors).
> 
> The cleanup function will free descriptors based on the ownership bit in
> the descriptors.
> 
> Signed-off-by: Lior Amsalem <alior@xxxxxxxxxxx>
> Reviewed-by: Ofer Heifetz <oferh@xxxxxxxxxxx>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>

If this is fixing a bug, shouldn't it be Cc'ed to stable@ ? But then it
needs to be the first patch in the series.

>From what I remember, this series both fixes some issues *and* adds
RAID6 support. We need to separate out the two things so that the fixes
can be propagated to stable.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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