Tag: kernel

All the articles with the tag "kernel".

• A tale about fixing eBPF spinlock issues in the Linux kernel

  17 Mar, 2026

  A system freeze led us deep into Linux spinlock internals, where we helped find not one but three bugs in the kernel's resilient locking code used by eBPF.

• From profiling to kernel patch: the journey to an eBPF performance fix

  11 Dec, 2025

  A story about how an innocent profiling session led to a change to the Linux kernel that makes eBPF map-in-map updates much faster.