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| author | Eduard Zingerman <eddyz87@gmail.com> | 2023-02-02 14:57:13 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-02-02 20:21:59 -0800 |
| commit | cb6018485cd9ede238dc04ed6a77ed1e8e871b37 (patch) | |
| tree | c7370dcb6cd59fccd3dfcc3f06fe3bc3b36b3833 /Documentation/doc-guide | |
| parent | 354bb4a0e0b6be8f55bacbe7f08c94b4741f5658 (diff) | |
| download | lwn-cb6018485cd9ede238dc04ed6a77ed1e8e871b37.tar.gz lwn-cb6018485cd9ede238dc04ed6a77ed1e8e871b37.zip | |
docs/bpf: Add description of register liveness tracking algorithm
This is a followup for [1], adds an overview for the register liveness
tracking, covers the following points:
- why register liveness tracking is useful;
- how register parentage chains are constructed;
- how liveness marks are applied using the parentage chains.
[1] https://lore.kernel.org/bpf/CAADnVQKs2i1iuZ5SUGuJtxWVfGYR9kDgYKhq3rNV+kBLQCu7rA@mail.gmail.com/
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20230202125713.821931-2-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'Documentation/doc-guide')
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