Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <[email protected]>:
On Tue, 18 Nov 2025 20:36:28 +0800 you wrote:
> For now, the bpf trampoline is called by the "call" instruction. However,
> it break the RSB and introduce extra overhead in x86_64 arch.
>
> For example, we hook the function "foo" with fexit, the call and return
> logic will be like this:
> call foo -> call trampoline -> call foo-body ->
> return foo-body -> return foo
>
> [...]
Here is the summary with links:
- [bpf-next,v3,1/6] ftrace: introduce FTRACE_OPS_FL_JMP
https://git.kernel.org/bpf/bpf-next/c/25e4e3565d45
- [bpf-next,v3,2/6] x86/ftrace: implement DYNAMIC_FTRACE_WITH_JMP
https://git.kernel.org/bpf/bpf-next/c/0c3772a8db1f
- [bpf-next,v3,3/6] bpf: fix the usage of BPF_TRAMP_F_SKIP_FRAME
https://git.kernel.org/bpf/bpf-next/c/47c9214dcbea
- [bpf-next,v3,4/6] bpf,x86: adjust the "jmp" mode for bpf trampoline
https://git.kernel.org/bpf/bpf-next/c/373f2f44c300
- [bpf-next,v3,5/6] bpf: specify the old and new poke_type for
bpf_arch_text_poke
https://git.kernel.org/bpf/bpf-next/c/ae4a3160d19c
- [bpf-next,v3,6/6] bpf: implement "jmp" mode for trampoline
https://git.kernel.org/bpf/bpf-next/c/402e44b31e9d
You are awesome, thank you!
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