Re: [PATCH bpf-next v2 0/3] arm64 BPF JIT Optimizations

[Will Deacon]

On Fri, 8 May 2020 11:15:43 -0700, Luke Nelson wrote:
> This patch series introduces several optimizations to the arm64 BPF JIT.
> The optimizations make use of arm64 immediate instructions to avoid
> loading BPF immediates to temporary registers, when possible.
> 
> In the process, we discovered two bugs in the logical immediate encoding
> function in arch/arm64/kernel/insn.c using Serval. The series also fixes
> the two bugs before introducing the optimizations.
> 
> [...]

Applied to arm64 (for-next/bpf), thanks!

[1/3] arm64: insn: Fix two bugs in encoding 32-bit logical immediates
      https://git.kernel.org/arm64/c/579d1b3faa37
[2/3] bpf, arm64: Optimize AND,OR,XOR,JSET BPF_K using arm64 logical immediates
      https://git.kernel.org/arm64/c/fd49591cb49b
[3/3] bpf, arm64: Optimize ADD,SUB,JMP BPF_K using arm64 add/sub immediates
      https://git.kernel.org/arm64/c/fd868f148189

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev