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Mon, 27 Apr 2026 14:09:57 +0000 (GMT) Received: from [9.123.12.85] (unknown [9.123.12.85]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 27 Apr 2026 14:09:57 +0000 (GMT) Message-ID: <56ce57ca-b5ce-415c-b17e-bdcddf93770e@linux.ibm.com> Date: Mon, 27 Apr 2026 19:39:56 +0530 Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 00/24] PCI: Convert all dynamic sysfs attributes to static To: =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas Cc: Bjorn Helgaas , Manivannan Sadhasivam , Lorenzo Pieralisi , Magnus Lindholm , Matt Turner , Richard Henderson , Christophe Leroy , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Dexuan Cui , =?UTF-8?Q?Krzysztof_Ha=C5=82asa?= , Lukas Wunner , "Oliver O'Halloran" , Saurabh Singh Sengar , Shuan He , Srivatsa Bhat , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: <20260422161407.118748-1-kwilczynski@kernel.org> <20260423172200.GA2271460@rocinante> Content-Language: en-US From: Shivaprasad G Bhat In-Reply-To: <20260423172200.GA2271460@rocinante> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=AqDeGu9P c=1 sm=1 tr=0 ts=69ef6e3c cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=QyXUC8HyAAAA:8 a=U0zfkUukAAAA:8 a=c92rfblmAAAA:8 a=pGLkceISAAAA:8 a=VnNF1IyMAAAA:8 a=FB4Pc6ld7FYhm39QvKAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=rXRU1dkEVDZ1dOovDhQH:22 a=GvGzcOZaWPEFPQC_NcjD:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDE0NyBTYWx0ZWRfX//TWFSeXRnVQ 0Vb2Ne8wBPwL+E2dHkJB/vamFXPlWjwAD7TSU06HSAoLS0azKdsodeYcl8oMO0Ggofnvi5CnOW/ JUrANq0WXc/vHB154jrY1IvKHoqeXGxSWuCFU9OlTEFNC0cvhlHjjWtNkG0dNFKOWMdcAfDr2ui hotabDQ1XhHrj/48+yP2Di6OWmbW5e+gvz7FJvlr7R3bshxUnvmYo9QzBpwicbsbO0Q5bXPK0ck bTtavvSV59s3yvVqmJEIpLGrDW94ERAjB2NvU5j22GV+hNyXnklJ3tvpX4PqRsGtGNnlpyB80Jv cfZLGnIInmSM/aXEsd2LnrnwM6rJ9IfhkYN+1e7Igh/1hYqqlx4a1x6ZE7NPqbi/4jE9XdHgvIY CvT4CYzb6WhYgfMTDChqgXeTeoYbuVYpWy/qaydo+usT4XKF5BUCNYWJPCRFlDGxR/+uFqwewH8 7EcigXeXdlCRcMvDDOQ== X-Proofpoint-GUID: s2eXEFhHAfT8LQSe00gQCaa5KhkOWOqg X-Proofpoint-ORIG-GUID: CSDA3wBC8VPYGjsnSimM148BH4m3RJ0m 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=2026-04-27_04,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 phishscore=0 suspectscore=0 clxscore=1011 lowpriorityscore=0 spamscore=0 bulkscore=0 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270147 Hi Krzysztof, On 4/23/26 10:52 PM, Krzysztof Wilczyński wrote: > Hello, > >> This series converts every dynamically allocated PCI sysfs attribute to >> a static const definition. After the full series, pci_sysfs_init() and >> sysfs_initialized are gone, and every sysfs file is created by the >> driver model at device_add() time. > A note on testing: > > 0-day bot (recent test runs; newer builds will arrive later): > - https://lore.kernel.org/linux-pci/202604231622.DgR0zih3-lkp@intel.com > - https://lore.kernel.org/linux-pci/202604161928.DzuHQmeM-lkp@intel.com > - https://lore.kernel.org/linux-pci/202604121312.sF0Ua4gP-lkp@intel.com > - https://lore.kernel.org/linux-pci/202604111631.lrwAylMM-lkp@intel.com > - https://lore.kernel.org/linux-pci/202603170336.zSLrDvlj-lkp@intel.com > - https://lore.kernel.org/linux-pci/202603122052.tMV5rzNq-lkp@intel.com > - https://lore.kernel.org/linux-pci/202603081334.b91RGVS6-lkp@intel.com > - https://lore.kernel.org/linux-pci/202603060207.pnGfKgGa-lkp@intel.com > > KernelCI (for the "for-kernelci" branch): > - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/941dd7c3e16840724dc961f10b84e193d13cdb57 > - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/683e66b11da157f730101f6919c7468a09cf3e3f > - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/209e2cfd205a8aad4bae32e6f82b96b20902aa74 > - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/70293477e2c0ae8cbc250098818e726e1d658b53 > - https://dashboard.kernelci.org/tree?ts=pci > > Sashiko's feedback: > - https://sashiko.dev/#/patchset/20260422161407.118748-1-kwilczynski%40kernel.org > - https://sashiko.dev/#/patchset/20260416180107.777065-1-kwilczynski%40kernel.org > - https://sashiko.dev/#/patchset/20260411080148.471335-1-kwilczynski%40kernel.org > - https://sashiko.dev/#/patchset/20260410055040.39233-1-kwilczynski%40kernel.org > > I sadly do not own any Alpha or PowerPC hardware, so when I was testing > these architectures while working on the series, it would be only under > QEMU. I tested the patches on PPC64 machines running as pSeries(on PowerVM and KVM) also PowerNV. The sysfs attributes looks normal on boot, and on hotplug/unplug of devices and SRIOV use cases. I see no warnings/errors in dmesg during PCI scans, initialization. Tested-By: Shivaprasad G Bhat Thanks, Shivaprasad > That said, Magnus Lindholm was able to test the series on the Alpha > hardware he owns, see: > > - https://lore.kernel.org/linux-pci/CA+=Fv5Q1tZQwnanw99NbvzT-QenfYz7vUdY02_TuPqHX32ZAiA@mail.gmail.com > > Lorenzo Pieralisi did some testing reported outside the mailing list (we > talked on IRC), on the platform he had issues before, and while the issues > were more with procfs races, similar to the sysfs ones this series aims to > fix, he didn't notice regressions when having this series applied. > > Thank you! > > Krzysztof >