linux-kernel - Re: [PATCH 1/2] cpt-crypto: don't sleep of CRYPTO_TFM_REQ_MAY

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Date:   Fri, 26 Jun 2020 16:07:43 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Mikulas Patocka <mpatocka@...hat.com>
Cc:     Eric Biggers <ebiggers@...nel.org>,
        George Cherian <gcherian@...vell.com>,
        Wei Xu <xuwei5@...ilicon.com>, Zaibo Xu <xuzaibo@...wei.com>,
        Mike Snitzer <msnitzer@...hat.com>,
        linux-kernel@...r.kernel.org, dm-devel@...hat.com,
        linux-crypto@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Milan Broz <mbroz@...hat.com>
Subject: Re: [PATCH 1/2] cpt-crypto: don't sleep of CRYPTO_TFM_REQ_MAY_SLEEP
 was not specified

On Wed, Jun 17, 2020 at 09:48:56AM -0400, Mikulas Patocka wrote:
> There is this call chain:
> cvm_encrypt -> cvm_enc_dec -> cptvf_do_request -> process_request -> kzalloc
> where we call sleeping allocator function even if CRYPTO_TFM_REQ_MAY_SLEEP 
> was not specified.
> 
> Signed-off-by: Mikulas Patocka <mpatocka@...hat.com>
> Cc: stable@...r.kernel.org	# v4.11+
> Fixes: c694b233295b ("crypto: cavium - Add the Virtual Function driver for CPT")
> 
> ---
>  drivers/crypto/cavium/cpt/cptvf_algs.c       |    1 +
>  drivers/crypto/cavium/cpt/cptvf_reqmanager.c |   12 ++++++------
>  drivers/crypto/cavium/cpt/request_manager.h  |    2 ++
>  3 files changed, 9 insertions(+), 6 deletions(-)

All applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt