KernelTrap: Advantages of Netlink

“A short thread on the lkml compared using netlink for
transferring information between kernel and user-space processes,
versus using debugfs. Tim Bird noted that he’d heard of several
projects being asked to switch from debugfs/procfs to netlink, and
asked for a quick explanation as to why. Evgeniy Polyakov pointed
out a major advantage, ‘netlink is always [present] in the kernel,
so [there is] no need to make additional dependencies for [a]
special FS…'”

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