[$] 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 subsystems need information on how to call the function
or where its arguments are stored.
Alan Maguire and Yonghong Song spoke at the 2026
Linux\
Storage, Filesystem, Memory-Management, and BPF Summit about their work on
recording information regarding c … ⌘ Read more