Messages in this thread | | | Subject | Re: [PATCH bpf-next v2] arm64,bpf: Support struct arguments in the BPF trampoline | From | patchwork-bot+netdevbpf@kernel ... | Date | Mon, 15 May 2023 19:20:19 +0000 |
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Hello:
This patch was applied to bpf/bpf-next.git (master) by Daniel Borkmann <daniel@iogearbox.net>:
On Thu, 11 May 2023 16:05:07 +0200 you wrote: > This extends the BPF trampoline JIT to support attachment to functions > that take small structures (up to 128bit) as argument. This is trivially > achieved by saving/restoring a number of "argument registers" rather > than a number of arguments. > > The AAPCS64 section 6.8.2 describes the parameter passing ABI. > "Composite types" (like C structs) below 16 bytes (as enforced by the > BPF verifier) are provided as part of the 8 argument registers as > explained in the section C.12. > > [...]
Here is the summary with links: - [bpf-next,v2] arm64,bpf: Support struct arguments in the BPF trampoline https://git.kernel.org/bpf/bpf-next/c/90564f1e3dd6
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