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#lsfmmbpf — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #lsfmmbpf, aggregated by home.social.

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  1. [$] BPF, continuous testing, and stable kernels

    Ihor Solodrai and Shung-Hsi Yu wrapped up the BPF track at the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit with a pair of sessions related to testing. Solodr [...]

    lwn.net/Articles/1087823/

    #LWN #Linux #kernel #Debian #GCC #Clang #Git #BPF #LSFMMBPF

  2. [$] BPF, continuous testing, and stable kernels

    Ihor Solodrai and Shung-Hsi Yu wrapped up the BPF track at the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit with a pair of sessions related to testing. Solodr [...]

    lwn.net/Articles/1087823/

    #LWN #Linux #kernel #Debian #GCC #Clang #Git #BPF #LSFMMBPF

  3. [$] Even more formal verification for BPF

    BPF offers useful safety guarantees, but Kumar Kartikeya Dwivedi wants BPF programs to be even safer. At the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit, he [...]

    lwn.net/Articles/1087069/

    #LWN #Linux #kernel #Rust #BPF #LSFMMBPF

  4. [$] Even more formal verification for BPF

    BPF offers useful safety guarantees, but Kumar Kartikeya Dwivedi wants BPF programs to be even safer. At the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit, he [...]

    lwn.net/Articles/1087069/

    #LWN #Linux #kernel #Rust #BPF #LSFMMBPF

  5. [$] Examining other network namespaces using BPF

    Jordan Rife's work involves writing BPF programs for Cilium that interface with Kubernetes networking. As part of that work, he wants to enable BPF programs with appropriate perm [...]

    lwn.net/Articles/1085896/ #LWN #Linux #kernel #BPF #LSFMMBPF

  6. [$] Examining other network namespaces using BPF

    Jordan Rife's work involves writing BPF programs for Cilium that interface with Kubernetes networking. As part of that work, he wants to enable BPF programs with appropriate perm [...]

    lwn.net/Articles/1085896/ #LWN #Linux #kernel #BPF #LSFMMBPF

  7. [$] The future of libraries in BPF

    Song Liu believes that the way that programmers assemble complex BPF programs will be changing rapidly in the future. At a session of the 2026 Linux Storage, Filesystem, Memory-M [...]

    lwn.net/Articles/1084869/ #LWN #Linux #kernel #Rust #Git #BPF #LSFMMBPF

  8. [$] The future of libraries in BPF

    Song Liu believes that the way that programmers assemble complex BPF programs will be changing rapidly in the future. At a session of the 2026 Linux Storage, Filesystem, Memory-M [...]

    lwn.net/Articles/1084869/ #LWN #Linux #kernel #Rust #Git #BPF #LSFMMBPF

  9. [$] Debugging information for inlined functions

    BPF programs use BPF type format (BTF) debugging information in order to determine how to interact with functions in the kernel. Specifically, tracing a kernel function involves f [...]

    lwn.net/Articles/1083985/ #LWN #Linux #kernel #BPF #LSFMMBPF

  10. [$] Debugging information for inlined functions

    BPF programs use BPF type format (BTF) debugging information in order to determine how to interact with functions in the kernel. Specifically, tracing a kernel function involves f [...]

    lwn.net/Articles/1083985/ #LWN #Linux #kernel #BPF #LSFMMBPF

  11. [$] Attaching programs to multiple tracepoints

    Tracepoints in the kernel are useful for a variety of purposes: debugging, active monitoring, and performance measurements, among other things. Previously, any given BPF program co [...]

    lwn.net/Articles/1082948/ #LWN #Linux #kernel #Git #BPF #LSFMMBPF

  12. [$] Attaching programs to multiple tracepoints

    Tracepoints in the kernel are useful for a variety of purposes: debugging, active monitoring, and performance measurements, among other things. Previously, any given BPF program co [...]

    lwn.net/Articles/1082948/ #LWN #Linux #kernel #Git #BPF #LSFMMBPF

  13. [$] Securing BPF LSMs against tampering

    Since 2020, BPF programs have been able to act as Linux security modules (LSMs). Several projects, including systemd, have been working to use that capability to provide more secu [...]

    lwn.net/Articles/1082111/ #LWN #Linux #kernel #Gentoo #systemd #BPF #LSFMMBPF

  14. [$] Securing BPF LSMs against tampering

    Since 2020, BPF programs have been able to act as Linux security modules (LSMs). Several projects, including systemd, have been working to use that capability to provide more secu [...]

    lwn.net/Articles/1082111/ #LWN #Linux #kernel #Gentoo #systemd #BPF #LSFMMBPF

  15. [$] Sending packets directly from BPF

    Tetragon, the BPF-based security monitoring tool, uses BPF to monitor different aspects of a running kernel and enforce user-specified policies. It sends its data to a user-space p [...]

    lwn.net/Articles/1081696/ #LWN #Linux #kernel #BPF #LSFMMBPF

  16. [$] Sending packets directly from BPF

    Tetragon, the BPF-based security monitoring tool, uses BPF to monitor different aspects of a running kernel and enforce user-specified policies. It sends its data to a user-space p [...]

    lwn.net/Articles/1081696/ #LWN #Linux #kernel #BPF #LSFMMBPF

  17. [$] Shielding running kernels against exploits with BPF

    Cisco has some unusual challenges when it comes to deploying security patches across the company's many devices running custom kernels. John Fastabend spoke about his work preventi [...]

    lwn.net/Articles/1081546/ #LWN #Linux #kernel #Rust #BPF #LSFMMBPF

  18. [$] Shielding running kernels against exploits with BPF

    Cisco has some unusual challenges when it comes to deploying security patches across the company's many devices running custom kernels. John Fastabend spoke about his work preventi [...]

    lwn.net/Articles/1081546/ #LWN #Linux #kernel #Rust #BPF #LSFMMBPF

  19. [$] Faster RCUs and lockless memory allocation

    Puranjay Mohan shared some of the work he's been doing recently on improving the performance of read-copy-update (RCU) at the 2026 Linux Storage, Filesystem, Memory-Management, a [...]

    lwn.net/Articles/1081009/ #LWN #Linux #kernel #Git #BPF #LSFMMBPF

  20. [$] Faster RCUs and lockless memory allocation

    Puranjay Mohan shared some of the work he's been doing recently on improving the performance of read-copy-update (RCU) at the 2026 Linux Storage, Filesystem, Memory-Management, a [...]

    lwn.net/Articles/1081009/ #LWN #Linux #kernel #Git #BPF #LSFMMBPF

  21. [$] Efficient access to local storage for BPF programs

    When a BPF program is used to filter or redirect packets in the networking subsystem, the program will often want to associate data with each packet as it moves through the kernel. [...]

    lwn.net/Articles/1078968/ #LWN #Linux #kernel #Git #BPF #LSFMMBPF

  22. [$] Efficient access to local storage for BPF programs

    When a BPF program is used to filter or redirect packets in the networking subsystem, the program will often want to associate data with each packet as it moves through the kernel. [...]

    lwn.net/Articles/1078968/ #LWN #Linux #kernel #Git #BPF #LSFMMBPF

  23. [$] A helper library for BPF arenas

    BPF arenas are areas of memory (potentially shared with user space) where programs have free reign to build their own data structures, unburdened by the verifier's bounds checks. M [...]

    lwn.net/Articles/1078526/ #LWN #Linux #kernel #GCC #Clang #Git #BPF #LSFMMBPF

  24. [$] A helper library for BPF arenas

    BPF arenas are areas of memory (potentially shared with user space) where programs have free reign to build their own data structures, unburdened by the verifier's bounds checks. M [...]

    lwn.net/Articles/1078526/ #LWN #Linux #kernel #GCC #Clang #Git #BPF #LSFMMBPF

  25. [$] KASAN for JIT-compiled BPF code

    Alexis Lothoré has been working to add support for the kernel's memory-access checker, KASAN, to just-in-time-compiled BPF code. He spoke about that work at the 2026 Linux Storag [...]

    lwn.net/Articles/1077740/ #LWN #Linux #kernel #BPF #LSFMMBPF

  26. [$] KASAN for JIT-compiled BPF code

    Alexis Lothoré has been working to add support for the kernel's memory-access checker, KASAN, to just-in-time-compiled BPF code. He spoke about that work at the 2026 Linux Storag [...]

    lwn.net/Articles/1077740/ #LWN #Linux #kernel #BPF #LSFMMBPF

  27. [$] Suspending and resuming BPF programs

    BPF programs can be used to extend many aspects the Linux kernel, but BPF programs must run to completion in the same context that they began. Kumar Kartikeya Dwivedi is working on [...]

    lwn.net/Articles/1076210/ #LWN #Linux #kernel #Rust #BPF #LSFMMBPF

  28. [$] Suspending and resuming BPF programs

    BPF programs can be used to extend many aspects the Linux kernel, but BPF programs must run to completion in the same context that they began. Kumar Kartikeya Dwivedi is working on [...]

    lwn.net/Articles/1076210/ #LWN #Linux #kernel #Rust #BPF #LSFMMBPF

  29. [$] BPF loop verification with scalar evolution

    The BPF verifier has, in the course of wrestling with the difficult problem of statically analyzing loops, grown special support for many kinds of loops over its history, but its f [...]

    lwn.net/Articles/1076121/ #LWN #Linux #kernel #GCC #LLVM #BPF #LSFMMBPF

  30. [$] BPF loop verification with scalar evolution

    The BPF verifier has, in the course of wrestling with the difficult problem of statically analyzing loops, grown special support for many kinds of loops over its history, but its f [...]

    lwn.net/Articles/1076121/ #LWN #Linux #kernel #GCC #LLVM #BPF #LSFMMBPF

  31. [$] BPF in the agentic era

    Alexei Starovoitov gave "less of a presentation, more of a scream of realization" at the BPF track of the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit. He sha [...]

    lwn.net/Articles/1075067/ #LWN #Linux #kernel #GCC #Rust #BPF #LSFMMBPF

  32. [$] BPF in the agentic era

    Alexei Starovoitov gave "less of a presentation, more of a scream of realization" at the BPF track of the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit. He sha [...]

    lwn.net/Articles/1075067/ #LWN #Linux #kernel #GCC #Rust #BPF #LSFMMBPF

  33. [$] Representing the true signatures of kernel functions

    Optimizing compilers can, under some circumstances, infer when a parameter to a function is not needed, and remove it. This is all well and good until the kernel's tracing or BPF s [...]

    lwn.net/Articles/1073762/ #LWN #Linux #kernel #GCC #Clang #Rust #BPF #LSFMMBPF

  34. [$] Representing the true signatures of kernel functions

    Optimizing compilers can, under some circumstances, infer when a parameter to a function is not needed, and remove it. This is all well and good until the kernel's tracing or BPF s [...]

    lwn.net/Articles/1073762/ #LWN #Linux #kernel #GCC #Clang #Rust #BPF #LSFMMBPF

  35. [$] BPF support in GCC 16 and beyond

    José Marchesi and the GCC-BPF developers opened the BPF track at the 2026 Linux Storage, Filesystem, Memory-management, and BPF Summit with a 90-minute summary of what has changed [...]

    lwn.net/Articles/1071973/ #LWN #Linux #kernel #Gentoo #GCC #LLVM #Clang #systemd #BPF #LSFMMBPF

  36. [$] BPF support in GCC 16 and beyond

    José Marchesi and the GCC-BPF developers opened the BPF track at the 2026 Linux Storage, Filesystem, Memory-management, and BPF Summit with a 90-minute summary of what has changed [...]

    lwn.net/Articles/1071973/ #LWN #Linux #kernel #Gentoo #GCC #LLVM #Clang #systemd #BPF #LSFMMBPF

  37. Great discussions happening at the Linux Storage, Filesystem, Memory Management & BPF Summit today! Lots of topics related to the future developments and improvements in these key kernel subsystems.

    #LSFMMBPF #Linux #Kernel

  38. Great discussions happening at the Linux Storage, Filesystem, Memory Management & BPF Summit today! Lots of topics related to the future developments and improvements in these key kernel subsystems.

    #LSFMMBPF #Linux #Kernel

  39. We’ll be attending the Linux Storage, Filesystem, Memory Management & BPF Summit 2026 next week. André Almeida and Luís Henriques will be there — feel free to say hi!

    📍 Zagreb, Croatia
    📅 May 4–6

    #LSFMMBPF #Linux #Kernel

  40. We’ll be attending the Linux Storage, Filesystem, Memory Management & BPF Summit 2026 next week. André Almeida and Luís Henriques will be there — feel free to say hi!

    📍 Zagreb, Croatia
    📅 May 4–6

    #LSFMMBPF #Linux #Kernel

  41. [$] Reconsidering the multi-generational LRU

    The multi-generational LRU (MGLRU) is an alternative memory-management algorithm that was merged for the 6.1 kernel in late 2022. It brought a promise of much-improved performance [...]

    lwn.net/Articles/1060967/ #LWN #Linux #kernel #Android #Git #BPF #LSFMMBPF

  42. [$] Reconsidering the multi-generational LRU

    The multi-generational LRU (MGLRU) is an alternative memory-management algorithm that was merged for the 6.1 kernel in late 2022. It brought a promise of much-improved performance [...]

    lwn.net/Articles/1060967/ #LWN #Linux #kernel #Android #Git #BPF #LSFMMBPF