Linux kernel's eBPF feature put to unexpected new uses

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Linux kernel's eBPF feature put to unexpected new uses
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The internal traffic-filtering tool can be used for much more than firewalls

HID-BPF is still a work in progress, and the developers are currently targeting kernel 6.2; the kernelThe ghOSt facility strikes us as rather niche, although it will probably prove useful to teams building specific Linux-based products. HID-PBF is much more general. It's not a new kind of device driver, so it won't require kernel rebuilds or even a reboot.

Once it is included, end users will be able to just copy a tiny file onto their machine, which can customize how an input device works. One example given in the talk allowsSo far, thehas received much more coverage. ePBF is superficially comparable, inasmuch as it's a new CPU-independent runtime, but it's a lot smaller, simpler, and more limited… though it has great potential too, and it's good to see some of it being realized.

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