Messages in this thread | | | Subject | Re: [PATCH bpf-next v6] bpf: Change value of MAX_TAIL_CALL_CNT from 32 to 33 | From | patchwork-bot+netdevbpf@kernel ... | Date | Tue, 16 Nov 2021 13:40:09 +0000 |
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Hello:
This patch was applied to bpf/bpf-next.git (master) by Daniel Borkmann <daniel@iogearbox.net>:
On Fri, 5 Nov 2021 09:30:00 +0800 you wrote: > In the current code, the actual max tail call count is 33 which is greater > than MAX_TAIL_CALL_CNT (defined as 32), the actual limit is not consistent > with the meaning of MAX_TAIL_CALL_CNT, there is some confusion and need to > spend some time to think about the reason at the first glance. > > We can see the historical evolution from commit 04fd61ab36ec ("bpf: allow > bpf programs to tail-call other bpf programs") and commit f9dabe016b63 > ("bpf: Undo off-by-one in interpreter tail call count limit"). > > [...]
Here is the summary with links: - [bpf-next,v6] bpf: Change value of MAX_TAIL_CALL_CNT from 32 to 33 https://git.kernel.org/bpf/bpf-next/c/ebf7f6f0a6cd
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