Re: [PATCH] crypto: nx - fix concurrency issue
From: Herbert Xu
Date: Wed Aug 14 2013 - 06:49:56 EST
On Mon, Aug 12, 2013 at 06:49:37PM -0300, Marcelo Cerri wrote:
> The NX driver uses the transformation context to store several fields
> containing data related to the state of the operations in progress.
> Since a single tfm can be used by different kernel threads at the same
> time, we need to protect the data stored into the context.
>
> This patch makes use of spin locks to protect the data where a race
> condition can happen.
>
> Reviewed-by: Fionnuala Gunter <fin@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Joy Latten <jmlatten@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Marcelo Cerri <mhcerri@xxxxxxxxxxxxxxxxxx>
Patch applied. Thanks a lot!
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Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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