Re: [PATCH bpf-next v3 0/3] bpf, arm64: use BPF prog pack allocator in BPF JIT

patchwork-bot+netdevbpf
2023-06-20T23:40:46Z

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Mon, 19 Jun 2023 10:01:18 +0000 you wrote:
> BPF programs currently consume a page each on ARM64. For systems with many BPF
> programs, this adds significant pressure to instruction TLB. High iTLB pressure
> usually causes slow down for the whole system.
>
> Song Liu introduced the BPF prog pack allocator[1] to mitigate the above issue.
> It packs multiple BPF programs into a single huge page. It is currently only
> enabled for the x86_64 BPF JIT.
>
> [...]

Here is the summary with links:
- [bpf-next,v3,1/3] bpf: make bpf_prog_pack allocator portable
https://git.kernel.org/bpf/bpf-next/c/9a44df2a4f2a
- [bpf-next,v3,2/3] arm64: patching: Add aarch64_insn_copy()
https://git.kernel.org/bpf/bpf-next/c/a7ed8ed92482
- [bpf-next,v3,3/3] bpf, arm64: use bpf_jit_binary_pack_alloc
https://git.kernel.org/bpf/bpf-next/c/49703aa2adfa

You are awesome, thank you!
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