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Tue, 4 Aug 2026 12:09:23 +0000 (GMT) Received: from osiris (unknown [9.87.143.152]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 4 Aug 2026 12:09:23 +0000 (GMT) Date: Tue, 4 Aug 2026 14:09:22 +0200 From: Heiko Carstens To: Finn Callies Cc: gor@linux.ibm.com, agordeev@linux.ibm.com, linux-s390@vger.kernel.org, freude@linux.ibm.com Subject: Re: [PATCH v1 1/1] s390/ap: Fix MAPML computation Message-ID: <20260804120922.12261A2a-hca@linux.ibm.com> References: <20260804105811.17744-1-fcallies@linux.ibm.com> <20260804105811.17744-2-fcallies@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260804105811.17744-2-fcallies@linux.ibm.com> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=E6P9Y6dl c=1 sm=1 tr=0 ts=6a71d679 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=kj9zAlcOel0A:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=DaNe_YizA6IbIVO5ObkA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: s1ASm1-_yR1H2toItPQ6Kw21xoHz0VgK X-Proofpoint-GUID: s1ASm1-_yR1H2toItPQ6Kw21xoHz0VgK X-Proofpoint-Spam-Info: AW1haW4tMjYwODA0MDA5NCBTYWx0ZWRfX9SBuxCGEOiYZ hdYb2I4f9X5W1lEJdOpsfwN8w+quwZBIfTornN4u/WDAzTfsf3kNUN0nfwXHOGg0iQAbHc7E9kK ygKNZnCtbPHE6jac9IggSr/y26E5Heg= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA0MDA5NCBTYWx0ZWRfX0K+JunvSNdCf gdjAzq8ctmKpHlqj1AaG9rNnkNcs5T5sf19EstSvcE1ix+Bp2JPcXhAtVXYed/v/2du1AibM9ZF fqSPHwILiDuVpU8jMk/oEl9RA/SwB7hCwE9WGGY657/DXpkdYKg2Is3Dcq3lcaM2pEz1hJCQRo+ naVrScziOyjSWm22TThpylUtBsPpoQWD7xf37l2U7S0CdT5P9toIy65vpic7A0CWM+LdmkMdOLw JORvhbqWZv5/rG8HECSK/hrNSun4Fh4PU+jjXmzseNqfE1xIw31WIsm2fPccJqSkTCtyOTKuG3h QuJaAN3vpPAm8sZvimwAiXYTmhgTT4P94G805s9UOtlT39qnUbFAel4gcT5u7SQit9NI9jzUUqR 1CBTp5PTuF10piyJkm6wuEQLAGJ0bdgnYSRlOzhgdQJEt5XyHG9uI5c8nyK5stirH1ZhFo8j41X deqS0vyaZCdlmitVmUg== 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=2026-08-04_02,2026-08-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 suspectscore=0 adultscore=0 spamscore=0 malwarescore=0 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608040094 On Tue, Aug 04, 2026 at 12:58:11PM +0200, Finn Callies wrote: > When the TAPQ subfunction of PQAP returns a value between 0 and 3 in the > ml field the Principles of Operation states that the MAPML size is to be > 12k bytes. What is "MAPML"? > Reviewed-by: Harald Freudenberger > Signed-off-by: Finn Callies > --- > drivers/s390/crypto/ap_card.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Why is this fix required? What does this fix? Are there user observable bugs fixed with this? If so, which ones? Is a Fixes: and/or stable tag required?