Name: Linux Plumbers Conference 2022
Start: 2022-09-12T08:00:00+01:00
End: 2022-09-14T22:30:00+01:00
Location: No location set

Monday, 12 September 2022
10:00 Birds of a Feather (BoF)
Birds of a Feather (BoF)
10:00 - 18:30
Room: "Meeting 6"
Contributions

10:00 A Clash of Things: Name Ambiguity, Tracing and kallsyms - Nick Alcock (Oracle Corporation)

15:00 Btrfs BoF - Chris Mason

17:00 Linux from power-reset: status, challenges, and opportunities - Ron Minnich (Google) Jonathan Zhang
Birds of a Feather (BoF)
Birds of a Feather (BoF)
10:00 - 18:30
Room: "Meeting 9"
Contributions

10:00 gpio and pinctrl BoF - Drew Fustini (BayLibre)

15:00 New userspace API for display-panel brightness control - Hans de Goede (Red Hat)

17:00 Timed I/O: Introducing Precisely Timed Platform I/O Driven by the System Clock - Christopher Hall (Intel)
10:00 - 13:30
Room: "Herbert"
Contributions

10:00 Copy On Write, Get User Pages, and Mysterious Counters - David Hildenbrand (Red Hat)

10:30 Scalability solutions for the mmap_lock - Maple Tree and per-VMA locks - Liam Howlett (Oracle) SUREN BAGHDASARYAN Michel Lespinasse (Facebook)

11:00 Memory tiering - Jerome Glisse (Google)

11:45 Multi-Gen LRU: Current Status & Next Steps - Jesse Barnes‎ (Google) Rom Lemarchand (Google)

12:15 Preserving guest memory across kexec - James Gowans (Amazon EC2)

12:40 Low-overhead memory allocation tracking - Kent Overstreet SUREN BAGHDASARYAN

13:05 The slab allocators of past, present, and future - Vlastimil Babka (SUSE Labs)
10:00 - 18:30
Room: "Lansdowne"
Contributions

10:00 PREEMPT_RT - how not to break it. - Sebastian Siewior

10:45 Launching new processes with `io_uring_spawn` for fast builds - Josh Triplett

12:00 Exercising the Linux scheduler with Yogini - Len Brown (Intel Open Source Technology Center)

12:45 OS Scheduling with Nest: Keeping Tasks Close Together on Warm Cores - Julia Lawall (Inria)

15:00 RV: where are we? - Daniel Bristot de Oliveira (Red Hat, Inc.)

15:45 Modularization for Lockdep - Boqun Feng

17:00 Make RCU do less (save power)! - Joel Fernandes Rushikesh Kadam Uladzislau Rezki

17:45 Restartable Sequences: Scheduler-Aware Scaling of Memory Use on Many-Core Systems - Mathieu Desnoyers (EfficiOS Inc.)
10:00 - 13:35
Room: "Ulster & Munster"
Contributions

10:00 Welcome to System Boot and Security MC - Daniel Kiper Michał Żygowski (3mdeb Embedded Systems Consulting)

10:05 Secure bootloader for Confidential Computing - Ken Lu (Intel) Jiewen Yao

10:40 Secure Boot auto enrollment - vincent dagonneau

11:15 Kernel TEE subsystem evolution - Sumit Garg

12:20 Remote Attestation of IoT devices using a discrete TPM 2.0 - Dimitar Tomov (TPM.dev) Svetlozar Kalchev (EnactTrust)

12:55 TrenchBoot Update - Daniel Smith (Apertus Solutions, LLC)
10:00 - 13:30
Room: "Meeting 1&2"
Contributions

10:00 IOMMUFD Discussion - Jason Gunthorpe (NVIDIA Networking)

10:30 Cooperative DMA in a memory-oversubscribed environment - James Gowans (Amazon EC2)

11:15 PCIe Endpoint Subsystem Open Items Discussion - Kishon Vijay Abraham I (Texas Instruments) Manivannan Sadhasivam (Linaro)

11:45 Instant Detection of Virtual Devices - Ajay Kaher (VMWare)

12:30 Exposing PCIe topology to Guest OS for peer-to-peer - Oded Gabbay (Intel)

13:00 Integrated PCIe monitoring and tracing facilities - Yicong Yang (HiSilicon)
10:00 - 18:30
Room: "Pembroke"
Contributions

10:00 The journey of BPF from restricted C language towards extended and safe C. - Alexei Starovoitov (Meta)

10:30 HID-BPF - Benjamin Tissoires (Red Hat)

11:00 eBPF Kernel Scheduling with Ghost - Barret Rhoden (Google)

12:00 Tuning Linux TCP for data-center networks - Yuchung Cheng (Google)

12:30 Can the Linux networking stack be used with very high speed applications? - David Ahern

13:00 Overview of the BPF networking hooks and user experience in Meta - Martin Lau (Meta)

15:00 BPF Signing and IMA integration - KP Singh (Google)

15:30 Revisiting eBPF Seccomp Filters - Jinghao Jia (University of Illinois Urbana-Champaign) Tianyin Xu (University of Illinois at Urbana-Champaign)

16:00 State of kprobes/trampolines batch attachment - Jiri Olsa (Isovalent)

17:00 Developing eBPF profiler for polyglot cloud-native applications - Vaishali Thakkar Javier Honduvilla Coto

17:30 Performance insights into eBPF step by step - Dmitrii Dolgov (Red Hat)
13:30 Lunch
Lunch
13:30 - 15:00

Lunch
Lunch
13:30 - 15:00

Lunch
Lunch
13:30 - 15:00
15:00
15:00 - 18:30
Room: "Ulster & Munster"
Contributions

15:00 Integrating testing with maintainer flows - Mark Brown Veronika Kabatova

15:30 Checking your work: Linux kernel testing and CI - David Vernet (Meta)

15:50 Making syzbot reports more developer-friendly - Aleksandr Nogikh (Google)

16:10 Designing UAPI for Fuzz-ability - Dmitry Vyukov (Google)

17:00 The emerging of the virtual QA team for Linux kernel - philip li

17:20 KUnit: Function Redirection and More - Brendan Higgins (Google LLC) David Gow (Google)

17:40 How to introduce KUnit to physical device drivers? - Isabella Basso Magali Lemes Maíra Canal Tales da Aparecida

18:00 Simple KernelCI Labs with Labgrid - Jan Lübbe (Pengutronix)
15:00 - 18:30
Room: "Herbert"
Contributions

15:00 Rust GCC Front-end - Philip Herron (Embecosm) David Faust (Oracle)

15:30 rustc_codegen_gcc: A gcc codegen for the Rust compiler - Antoni Boucher

16:00 Rust for Linux: Status Update - Miguel Ojeda Wedson Almeida Filho

17:00 Linux Rust NVMe Driver Status Update - Andreas Hindborg (Western Digital)

17:30 The Integration of Rust with Kernel Testing Service - Yujie Liu (Intel)

18:00 Rust in the Kernel (via eBPF) - Dave Tucker (Red Hat) Michal Rostecki (Deepfence Inc)
15:00 - 18:30
Room: "Meeting 1&2"
Contributions

15:00 systemd cgroup delegation and control processes - Michal Koutný

15:25 #snapsafe: restoring uniqueness in Virtual Machine clones - Babis Chalios (Amazon Web Services)

16:10 Slimming down the journal - Daan De Meyer

17:00 Towards Secure Unified Kernel Images for Generic Linux Distributions and Everyone Else - Lennart Poettering

17:45 New design for initrds - Zbigniew Jędrzejewski-Szmek (Red Hat)
19:30 Opening Party at Roberta's
Opening Party at Roberta's
19:30 - 22:30
Roberta's https://robertas.ie 1 Essex St E, Temple Bar, Dublin, D02 F5C6, Ireland
Tuesday, 13 September 2022
10:00 BOFs Session 2
BOFs Session 2
10:00 - 18:30
Room: "Meeting 9"
Contributions

10:00 Accelerators BoF - David Airlie

12:00 GPU/Graphics - Userspace console - cgroups - BOF - David Airlie
Birds of a Feather (BoF)
Birds of a Feather (BoF)
10:00 - 20:00
Room: "Meeting 6"
Contributions

10:00 A NUMA interface for futex2 - André Almeida (Igalia)

12:00 RCU Office Hours BoF - Paul McKenney (Meta)

15:00 Device attestation, secure channel setup / SPDM - how to make progress? - Jonathan Cameron (Huawei Technologies R&D (UK)) Lukas Wunner

18:30 Getting the task placement right on split-LLC architectures - Gautham R Shenoy (AMD Inc.) Prateek Nayak (AMD Inc.)
10:00 - 13:30
Room: "Ulster & Munster"
Contributions

10:05 CPU isolation tuning through cpuset - Frederic Weisbecker (Suse)

10:40 Isolation aware smp_call_function/queue_work_on APIs - Marcelo Tosatti (Red Hat)

11:15 Make RCU do less (and disturb CPUs less)! - Joel Fernandes Rushikesh Kadam Uladzislau Rezki

12:20 CPU isolation vs jailbreaking IPIs - Valentin Schneider (Red Hat)

12:55 rtla osnoise: what is missing? - Daniel Bristot de Oliveira (Red Hat, Inc.)
10:00 - 13:30
Room: "Herbert"
Contributions

10:00 Upstream & Guest Distro support for Confidential Compute - Jianxiong Gao

10:20 Unmapped Private Memory for Confidential Guests - Michael Roth (AMD)

10:40 Securely booting confidential VMs with encrypting disk - Dov Murik (IBM) Tobin Feldman-Fitzthum (IBM)

11:00 Using DICE Attestation for SEV and SNP Hardware Rooted Attestation - Peter Gonda (Google)

11:20 Hardening Linux guest kernel for CC - Elena Reshetova (Intel)

12:10 The elephants in the confidential room: Attestation and verification - Samuel Ortiz (Rivos)

12:30 Identifying and Eliminating Contention from Booting Concurrent SNP VMs - Jacky Li (Google) Marc Orr (Google)

12:50 Testing Intel TDX functionality with new set of self tests - Sagi Shahar (Google)

13:10 Interrupt Security for AMD SEV-SNP - Ashish Kalra
10:00 - 18:30
Room: "Lansdowne"
Contributions

10:00 How I started chasing speculative type confusion bugs in the kernel and ended up with 'real' ones - Jakob Koschel (VUSec Amsterdam)

10:45 Profiling data structures - Arnaldo Carvalho de Melo (Red Hat Inc.)

12:00 Inside the Linux Kernel Random Number Generator - Jason Donenfeld

12:45 Live in a world with multiple memory types - Ying Huang

15:00 Kernel Live Patching at Scale - Song Liu (Meta) Rik van Riel (Meta) David Vernet (Meta)

15:45 TCP memory isolation on multi-tenant servers - Christian Warloe (Google) Shakeel Butt (Google) Wei Wang (Google)

17:00 Meta’s CXL Journey and Learnings in Linux - Jonathan Zhang

17:45 nouveau in the times of nvidia firmware and open source kernel module - David Airlie
10:00 - 18:30
Room: "Pembroke"
Contributions

10:00 Machine reable description for netlink protocols (YAML?) - Jakub Kicinski (Meta)

10:30 Cilium's BPF kernel datapath revamped - Daniel Borkmann (Isovalent)

11:00 A BPF map for online packet classification - Anton Protopopov (Isovalent)

12:00 How to share IPv4 addresses by partitioning the port space - Jakub Sitnicki (Cloudflare) Marek Majkowski (Cloudflare)

12:30 Networking resource control with per-cgroup LSM - Stanislav Fomichev (Google)

13:00 eBPF Standardization - Dave Thaler (Microsoft)

15:00 Bringing packet queueing to XDP - Toke Høiland-Jørgensen (Red Hat)

15:30 XDP gaining access to NIC hardware hints via BTF - Jesper Dangaard Brouer (Red Hat)

16:00 FW centric devices, NIC customization - Saeed Mahameed (Nvidia) Mark Bloch (Nvidia)

17:00 Socket termination for policy enforcement and load-balancing - Aditi Ghag (Isovalent)

17:30 MPTCP: Extending kernel functionality with eBPF and Netlink - Matthieu Baerts (Tessares)

18:00 Percpu hashtab traversal measurement study - Brian Vazquez (Google)
10:00 - 13:30
Room: "Meeting 1&2"
Contributions

10:00 High memory management API changes - Ira Weiny

10:30 Mitigating speculative execution attacks with ASI - follow up - Junaid Shahid (Google) Ofir Weisse (Google)

11:00 Consolidating representations of the physical memory - Mike Rapoport (IBM)

12:00 LoongArch: What we will do next - Huacai Chen Jianmin Lv (Loongson) Xuerui WANG

12:30 Extending EFI support in Linux to new architectures - Ard Biesheuvel (Google) Ilias Apalodimas

13:00 Make LL/SC arch has a strict forward guarantee - Ren Guo
13:30 Lunch
Lunch
13:30 - 15:00

Lunch
Lunch
13:30 - 15:00

Lunch
Lunch
13:30 - 14:55
14:55
14:55 - 18:55
Room: "Herbert"
Contributions

15:05 GKI experience - Elliot Berman

15:20 Technical debt - Matthias Männich (Google)

15:30 Hermetic builds with Bazel - Matthias Männich (Google)

15:45 STG for ABI monitoring - Giuliano Procida

16:00 fw_devlink and parallelization updates - Saravana Kannan (Google Inc)

16:15 Virtualization in Android - David Brazdil (Google) Serban Constantinescu

16:30 Cuttlefish and Kernel Dev - Ram Muthiah

17:00 eBPF-based FUSE - Paul Lawrence (Google Inc)

17:15 EROFS as a replacement for EXT4 and Squashfs - David Anderson (Google)

17:30 MGLRU results on Android - Kalesh Singh (Google Inc)

17:45 io_uring in Android - Akilesh Kailash

18:00 (Impact of) Recent CPU topology changes - Dietmar Eggemann Ionela Voinescu

18:15 Dynamic Energy Model to handle leakage power - Lukasz Luba
15:00
15:00 - 18:30
Room: "Meeting 1&2"
Contributions

15:00 Intro - ATISH PATRA (Rivos) Palmer Dabbelt (Google)

15:05 The Odyssey of HWCAP on RISC-V platforms - "Ruinland" ChuanTzu Tsai (SiFive)

15:40 RISC-V ACPI and UEFI Updates - Sunil V L

16:10 What to do with kconfig.socs? - Conor Dooley

17:00 Confidential Computing for RISC-V-based Platforms - RAVI SAHITA (Rivos)

17:30 Tuning in-kernel routines on RISC-V - Heiko Stuebner (Vrull)

18:00 RISC-V ftrace: working with preemption - Tao Chiu
15:00 - 18:35
Room: "Ulster & Munster"
Contributions

15:00 rtla: what is next? - Daniel Bristot de Oliveira (Red Hat, Inc.)

15:30 Bringing Energy-Aware Scheduling to x86 - Len Brown (Intel Open Source Technology Center) Ricardo Neri (Intel Corporation)

15:55 Latency hints for CFS task - Vincent Guittot (Linaro)

16:45 Linux Kernel Scheduling and split-LLC architectures: Overview, Challenges and Opportunities - Gautham R Shenoy (AMD Inc.) Prateek Nayak (AMD Inc. )

17:10 Limit the idle CPU search depth and use CPU filter during task wake up - Chen Yu Yun Wu (Bytedance)

17:35 Linux needs a Scheduler QOS API -- and it isn't nice(2) - Len Brown (Intel Open Source Technology Center)

18:00 PREEMPT_RT Q&A with tglx - Thomas Gleixner
Wednesday, 14 September 2022
09:55
09:55 - 18:30
Room: "Ulster & Munster"
Contributions

09:55 Toolchain Track Welcome - Jose E. Marchesi (GNU Project, Oracle Inc.) Nick Desaulniers (Google)

10:00 Where are we on security features? - Kees Cook (Google) Qing Zhao

10:45 Status Report: Broken Dependency Orderings in the Linux Kernel - Marco Elver (Google) Paul Heidekrüger (Technical University of Munich)

12:00 GCC's -fanalyzer and the Linux kernel - David Malcolm (Red Hat)

12:45 Kernel ABI Monitoring and Toolchain Support - Dodji Seketeli Giuliano Procida Guillermo E. Martinez Matthias Männich

15:00 Programmable debuggers and the Linux kernel (drgn, GDB+poke) - Elena Zannoni Jose E. Marchesi (GNU Project, Oracle Inc.) Stephen Brennan (Oracle)

15:45 CTF Frame in the Linux kernel - Indu Bhagat

16:05 Toolchain support for objtool in the Linux kernel - Josh Poimboeuf (Red Hat)

17:00 Linux Kernel Control-Flow Integrity Support - Joao Moreira (Intel Corporation) Mark Rutland (Arm Ltd) Peter Zijlstra (Intel OTC) Sami Tolvanen (Google)
10:00
10:00 - 20:00
Room: "Meeting 8"
Contributions

15:00 Pluggable scheduling: SCX and ghOSt - David Vernet (Meta)

17:00 systemd BoF - Lennart Poettering Zbigniew Jędrzejewski-Szmek (Red Hat)
BOFs Session 2
BOFs Session 2
10:00 - 18:30
Room: "Meeting 9"
Contributions

15:00 The printk saga - John Ogness Thomas Gleixner

17:00 DAMON Beer/Coffee/Tea Chat - SeongJae Park
Birds of a Feather (BoF)
Birds of a Feather (BoF)
10:00 - 20:00
Room: "Meeting 6"
Contributions

12:00 Android MC BoF - Karim Yaghmour (Opersys inc.)

15:00 Io_uring command/nvme passthrough: current status and plans - kanchan joshi (Samsung semiconductor (SSIR))

17:00 RISC-V MC BoF - ATISH PATRA (Rivos)
10:00 - 13:35
Room: "Herbert"
Contributions

10:00 Opening session - Stéphane Graber (Canonical Ltd.)

10:05 Tracer namespaces - Mathieu Desnoyers (EfficiOS Inc.)

10:30 Restoring process trees with child-sub-reapers, nested pid-namespaces and inherit-only resources. - Pavel Tikhomirov (Virtuozzo)

11:00 How can we make procfs safe? - Aleksa Sarai (SUSE LLC)

11:45 cgroup rstat's advanced adoption - Michal Koutný

12:10 Unprivileged CRIU - Younes Manton

12:35 Restartable Sequences: Scaling Per-Core Shared Memory Use in Containers - Mathieu Desnoyers (EfficiOS Inc.)

13:00 Bringing up FUSE mounts C/R support - Alexander Mikhalitsyn (Virtuozzo)

13:25 Closing session - Christian Brauner
10:00 - 13:30
Room: "Pembroke"
Contributions

10:00 Putting firmware on the device: a Zephyr+Yocto+Mender hike - Josef Holzmayr

10:25 Open source FPGA NVMe accelerator platform for BPF driven ML processing with Linux/Zephyr - Karol Gugala (Antmicro)

10:55 Abusing zephyr and meta-zephyr - Eilís Ní Fhlannagáin (Oniro Project)

11:20 libgpiod V2: New Major Release with a Ton of New Features - Bartosz Golaszewski (BayLibre)

12:05 Linux IEEE 802.15.4 MLME improvements - Miquèl Raynal

12:35 All types of wireless in Linux are terrible and why the vendors should feel bad - Peter Robinson (Red Hat)

13:00 Libre Silicon in IoT - Michael Welling
10:00 - 18:30
Room: "Lansdowne"
Contributions

10:00 Regression tracking & fixing: current state, problems, and next steps - Thorsten Leemhuis

10:45 Modernizing the kdump dump tools - Philipp Rudo

12:00 Why is devm_kzalloc() harmful and what can we do about it - Laurent Pinchart (Ideas on Board Oy)

12:45 Current Status and Future Plans of DAMON - SeongJae Park

15:00 What kernel documentation could be - Jonathan Corbet (Linux Plumbers Conference)

15:45 Rust - Miguel Ojeda Wedson Almeida Filho

17:00 Zettalinux: It's Not Too Late To Start - Matthew Wilcox (Oracle)

17:45 The Maple Tree - Liam Howlett (Oracle)
10:00 - 13:30
Room: "Meeting 1&2"
Contributions

10:00 Zoned MC Conference Kick Off - Adam Manzanares (Samsung Electronics) Matias Bjørling (Western Digital)

10:05 A zone-aware cache system for distributed databases - Kuankuan Guo

10:25 SSDFS: ZNS SSD ready file system with zero GC overhead - Viacheslav Dubeyko (ByteDance)

10:45 Improving data placement for Zoned Linux File systems - Hans Holmberg

11:05 Object caching on Zoned Storage - Hans Holmberg

11:45 Supporting non-power of 2 zoned devices - Pankaj Raghav

12:10 Zonefs: Features Roadmap - Damien Le Moal (Western Digital)

12:35 Btrfs RAID on zoned devices - Johannes Thumshirn (Western Digital Corporate)

13:00 Experiences implementing zonefs support in ZenFS - Jorgen Hansen (WDC)
10:00 - 18:30
Room: "Meeting 9"
Contributions

10:00 Reusing the BPF CI - Quentin Monnet (Isovalent)

10:30 Pressure feedback for LRU map types - Joe Stringer (Isovalent)

11:00 Closing the BPF map permission loophole - Lorenz Bauer

12:00 More CO-RE? Taming the effects of compiler optimizations on BPF tracing - Alan Maguire (Oracle)

12:30 OPENED Tool for Managing eBPF Heterogeneity - Theophilus Benson (Brown University) Palanivel Kodeswaran (IBM Research) Sayandeep Sen (IBM Research)

13:00 The revival of the learning-sync bridgeport flag - Alexandra Winter (IBM)
13:30 Lunch
Lunch
13:30 - 15:00

Lunch
Lunch
13:30 - 15:00

13:35 Lunch
Lunch
13:35 - 15:00
15:00
15:00 - 18:30
Room: "Meeting 7"
Contributions

15:00 Pollable ptraced pidfds - Nick Alcock (Oracle Corporation)
15:00 - 18:30
Room: "Herbert"
Contributions

15:00 CXL MC Welcome and Kickoff - Adam Manzanares (Samsung Electronics) Dan Williams (Intel Open Source Technology Center)

15:05 CXL Type-3 device discovery, configuration in firmware and prepare ACPI tables for kernel usage - Sayanta Pattanayak (ARM Ltd.)

15:30 CXL Dynamic Capacity MM - Jonathan Cameron (Huawei Technologies R&D (UK)) Navneet Singh (Intel)

15:55 CXL and confidential computing - Jérôme Glisse (Google)

16:45 Design and implementation of Autocaching for CXLSSD - Heekwon Park (Samsung Electronics)

17:10 CXL hotplug: spec to reality - PJ Waskiewicz (Jump Trading Group)

17:35 Linux plumbing of CXL error reporting - Robert Richter (Advanced Micro Devices) Yazen Ghannam (Advanced Micro Devices)

18:00 CXL 2.0+ Emulation With QEMU Status, requirements and roadmap. - Jonathan Cameron (Huawei Technologies R&D (UK))
15:00 - 18:35
Room: "Meeting 1&2"
Contributions

15:00 CUPS 2.5 and 3.0 Development - Michael Sweet (Lakeside Robotics Corporation)

16:00 Testing and CI for OpenPrinting projects - Michael Sweet (Lakeside Robotics Corporation) Till Kamppeter (OpenPrinting / Canonical)

16:45 Restricting access to IPP printers with OAuth2 framework - Piotr Pawliczek (Google)

17:30 Documentation for OpenPrinting projects - Till Kamppeter (OpenPrinting / Canonical) Aveek Basu

18:00 Sandboxing/Containerizing alternatives to Snap for Printer Applications or CUPS - Michael Sweet (Lakeside Robotics Corporation) Till Kamppeter (OpenPrinting / Canonical) Valentin Viennot (Canonical)
15:00 - 18:30
Room: "Pembroke"
Contributions

15:00 Frequency-invariance gaps in current kernel - Rui Zhang

15:25 Unified structure for thermal zone device registration - Rui Zhang

15:50 Combining DTPM with the thermal control framework - Daniel Lezcano (Linaro)

16:25 Energy model accuracy - Morten Rasmussen (Arm)

16:50 A generic energy model description - Daniel Lezcano (Linaro)

17:15 CPUfreq/sched and VM guest workload problems - Saravana Kannan

17:50 Linux per cpu idle injection - Srinivas Pandruvada

18:10 Fine grain frequency control with kernel governors - Ray Huang (AMD)

18:20 Isolation for broken hardware during system suspend - Rui Zhang
19:30 Closing Party at Cafe en Seine
Closing Party at Cafe en Seine
19:30 - 22:30
Cafe en Seine https://venuesearch.ie/listing/cafe-en-seine/ 40 Dawson St, Dublin, Ireland