Re: [PATCH v7 0/9] Fixes and rework for paes_s390 and phmac_s390

[Heiko Carstens <hca@linux.ibm.com>]

On Mon, Aug 31, 2026 at 10:38:29AM +0200, Harald Freudenberger wrote:
> Fix and rework some issues around arch/s390/paes_s390.c and
> arch/s390/phmac_s390.c:
> 
> - Fix skcipher_walk return code handling in paes_s390
> - Add scrub of some temp buffers
> - Shift from using a mutex to using a semaphore in PAES CTR
>   Surprisingly clang code analysis is able to deal with semaphores and
>   thus the shift also fixes the issue with CONTEXT_ANALYSIS enabled.
> - And some more fixes related to paes and phmac (see changelog).
...
> Harald Freudenberger (8):
>   s390/crypto: Fix return code handling at skcipher_walk_done in PAES
>     algorithms
>   s390/crypto: Fix missing scrub of temp buffers with PAES algorithm
>   s390/crypto: Fix use of mutex in atomic context in PAES
>   s390/crypto: Fix missing cra_flags in paes_s390
>   s390/crypto: Fix handling of EBUSY in PAES when req is pushed to
>     crypto engine
>   s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to
>     crypto engine
>   s390/crypto: Fix wrong return code to engine in asynch callbacks
>   s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly
> 
> Heiko Carstens (1):
>   s390/crypto: Enable CONTEXT_ANALYSIS
> 
>  arch/s390/crypto/Makefile     |   2 +
>  arch/s390/crypto/paes_s390.c  | 184 +++++++++++++++++++++-------------
>  arch/s390/crypto/phmac_s390.c |  36 +++++--
>  3 files changed, 142 insertions(+), 80 deletions(-)

Applied, thanks.

FWIW, since there was some confusion about CONTEXT_ANALYSIS and if
this should go upstream via s390 or crypto, I applied this now to
s390. Future crypto patches should go via the crypto tree again.