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Fri, 3 Apr 2026 16:54:13 +0000 (GMT) Message-ID: Date: Fri, 3 Apr 2026 09:54:13 -0700 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 v6 1/2] docs: s390/pci: Improve and update PCI documentation To: Niklas Schnelle , Bjorn Helgaas , Jonathan Corbet , Lukas Wunner , Shuah Khan Cc: Alexander Gordeev , Christian Borntraeger , Gerald Schaefer , Gerd Bayer , Heiko Carstens , Julian Ruess , Matthew Rosato , Peter Oberparleiter , Ramesh Errabolu , Sven Schnelle , Vasily Gorbik , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-s390@vger.kernel.org References: <20260402-uid_slot-v6-0-d5ea0a14ddb9@linux.ibm.com> <20260402-uid_slot-v6-1-d5ea0a14ddb9@linux.ibm.com> Content-Language: en-US From: Farhan Ali In-Reply-To: <20260402-uid_slot-v6-1-d5ea0a14ddb9@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cff0b9 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=OYrjuxTueeVGiqUQM9MA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAzMDE1MCBTYWx0ZWRfX1PG//TsgaB2w Me8Gl7vofevTGMaW2AT2Nb/IuQDoYOml/PE1LOw6ntenE5KgvAU+doRjhNfKNcFGshBhO0524ft dSCIsV2BIMV8OkwEjTQRHzu7ga0ANCyz+PpgZL6iDWzwJJXrpJSYbJVZbgtyslSd1LVLVlCJoj2 kAHIKaJnY2ZlEaWNW6WOs2GIUd//vk0MBK1zRs+C5+kxNEj6p22ZJ0XX9Z3FCcyzf85ra5TT3IV mRpYdkt6SDwSuT8cpgNSt6INYU706Xk2iRUjiWT6ABC9mVE49Um6BbTmGIwvKsLpBRYngIwQGFZ AWo5IVXJMmL6oJyfQ0BaLOgentlonv0YevL+6TowoJ6cAJ6cIHonBZ82b6AcC41XxDx93asCc+H m61wxhUDs+ji/taQkLiXIGtr8QVCqAMpiFapfu6NjGx1n8Jskgo63qCjozujQ4emTEUcvak6HDh nMSxGQ6V+tAiToQz4DQ== X-Proofpoint-GUID: Yrf6opRGyg-WjLzVF2u8PuAAV2eVMrWt X-Proofpoint-ORIG-GUID: w797PbUa0vtLHVwoS_DxlEmJDFtePBOD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-03_05,2026-04-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1011 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604030150 On 4/2/2026 1:34 PM, Niklas Schnelle wrote: > Update the s390 specific PCI documentation to better reflect current > behavior and terms such as the handling of Isolated VFs via commit > 25f39d3dcb48 ("s390/pci: Ignore RID for isolated VFs"). > > Add a descriptions for /sys/firmware/clp/uid_is_unique which was added > in commit b043a81ce3ee ("s390/pci: Expose firmware provided UID Checking > state in sysfs") but missed documentation. > > Similarly add documentation for the fidparm attribute added by commit > 99ad39306a62 ("s390/pci: Expose FIDPARM attribute in sysfs") and > add a list of pft values and their names. > > Finally improve formatting of the different attribute descriptions by > adding a separating colon. > > Signed-off-by: Niklas Schnelle > --- > Documentation/arch/s390/pci.rst | 139 +++++++++++++++++++++++++++------------- > 1 file changed, 94 insertions(+), 45 deletions(-) Thanks for updating this! I wonder if we should update this documentation to better explain some of the nuances of PCI on s390, or more like "intro to zpci". But that could be a separate thing. Reviewed-by: Farhan Ali