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Wed, 19 Aug 2026 09:47:49 +0000 (GMT) Received: from [9.111.82.93] (unknown [9.111.82.93]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 19 Aug 2026 09:47:49 +0000 (GMT) Message-ID: <779d7ca1-e15c-4eef-921c-c563fba0cc02@linux.ibm.com> Date: Wed, 19 Aug 2026 11:47:48 +0200 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 5/7] s390/crypto: Fix handling of EBUSY in PAES when req is pushed to crypto engine To: Harald Freudenberger Cc: fcallies@linux.ibm.com, ifranzki@linux.ibm.com, linux-s390@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev References: <20260819091734.7331-1-freude@linux.ibm.com> <20260819091734.7331-6-freude@linux.ibm.com> From: Holger Dengler Content-Language: en-US, de-DE In-Reply-To: <20260819091734.7331-6-freude@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDA3MiBTYWx0ZWRfXxW84FT9x2Gyd N1HDrhbu2zlYf6TFzz0U4rdjpToCkUf7Q+E75Fdgo2yPDsEP9Ile71DGolboLqBTndgtKbbwrCe AC7li5lC9HcdJVIpA2+nBLqpiQtXlgs= X-Proofpoint-GUID: VdZ6JHi7yrAapvW-EhMOmgeCFPNqfW9d X-Proofpoint-ORIG-GUID: VdZ6JHi7yrAapvW-EhMOmgeCFPNqfW9d X-Authority-Analysis: v=2.4 cv=RPmD2Yi+ c=1 sm=1 tr=0 ts=6a857bca cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=toKluCks-quyBxXNV50A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDA3MiBTYWx0ZWRfX0HvMFALvDuhN zPtIzXYGvA0S7fo8BLea9g2lEFolBhI0pZmNhJP15qhryN4p9X5limxOGeyIiNd/Rm2JwNGc6ZT MWYGzOCAHdxDVRXsdWMIc/MuO6+sN9wQgbXnwewUiAPhb5S0aOC9cyaMcNRDBxc3l/5paCUCoG9 DS/CBWqoN8JwzJldRhWvBYG8kKNUZoYF65O6NMNSZTAfiseW/mN+UdAQkeG070OXqkGOvzh/T9F PjzgUt0WBBIyR4Y9WS+UCbTURI63xmEFZG/A4R2W8Mw7JQe1ggvB244CK+Ng6CtY8nFmNOKEF6T Xe+Jgrw3WPPQHIsMhPGQ76IYTrU1r5cDOHRT+Z5Q2br8fFim3ZkFkI8zeZjdNe9s1FUD0gd5tzm eJoiYXCLNBh+LakPbdAi8TSSV/g0dve8idTJNV2Vbd3MNSaKM6nzwD8wd7W9RaG+ui5jYx4sH9E 6e/goWCmLJlk42Tv3jQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_02,2026-08-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 adultscore=0 spamscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190072 On 8/19/26 11:17, Harald Freudenberger wrote: > When a request is transferred to the engine via > crypto_transfer_skcipher_request_to_engine() there are two return > codes signaling a successful transfer: EINPROGRESS and EBUSY. However > the correct handling of EBUSY was missing and has been added as a > return code indicating a successful transfer to the crypto engine. > > Fixes: 6cd87cb5ef6c ("s390/crypto: Rework protected key AES for true asynch support") > Signed-off-by: Harald Freudenberger > Cc: stable@vger.kernel.org # 6.16+ Reviewed-by: Holger Dengler -- Mit freundlichen Grüßen / Kind regards Holger Dengler