Hi Hebert,
On Wed, Feb 22, 2017 at 04:18:19PM -0300, Marcelo Cerri wrote:
> Hi Paulo.
>
> On Wed, Feb 22, 2017 at 03:00:15PM -0300, Paulo Flabiano Smorigo wrote:
> >
> > if (in_interrupt()) {
> > - ret = crypto_blkcipher_encrypt(&fallback_desc, dst, src,
> > - nbytes);
> > + SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback);
> > + skcipher_request_set_tfm(req, ctx->fallback);
> > + skcipher_request_set_callback(req, desc->flags, NULL, NULL);
> > + skcipher_request_set_crypt(req, src, dst, nbytes, desc->info);
> > + ret = crypto_skcipher_encrypt(req);
> > + skcipher_request_zero(req);
>
> Probably you have to wait for the completion here before proceeding.
>
> Check Documentation/crypto/api-samples.rst
>
I noticed you used a similar approach in arch/s390/crypto/aes_s390.c
(commit 64e2680).
How do you ensure the skcipher operation will not be asynchronous?
--
Regards,
Marcelo
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