[PATCH v3 02/10] crypto: marvell: Check engine is not already running when enabling a req

Herbert Xu herbert at gondor.apana.org.au
Wed Jun 22 03:33:24 PDT 2016


Romain Perier <romain.perier at free-electrons.com> wrote:
> Add a BUG_ON() call when the driver tries to launch a crypto request
> while the engine is still processing the previous one. This replaces
> a silent system hang by a verbose kernel panic with the associated
> backtrace to let the user know that something went wrong in the CESA
> driver.

Hmm, so how can this happen? If it is triggerable then we better
try to recover from it more gracefully.  If it is not triggerable
then why bother?

Thanks,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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