Re: [PATCH bpf-next v4 00/25] bpf: Support stack arguments for BPF functions and kfuncs

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Tue, 12 May 2026 21:49:49 -0700 you wrote:
> Currently, bpf function calls and kfunc's are limited by 5 reg-level
> parameters. For function calls with more than 5 parameters,
> developers can use always inlining or pass a struct pointer
> after packing more parameters in that struct although it may have
> some inconvenience. But there is no workaround for kfunc if more
> than 5 parameters is needed.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v4,01/25] bpf: Convert bpf_get_spilled_reg macro to static inline function
    https://git.kernel.org/bpf/bpf-next/c/ede2dc5c6b57
  - [bpf-next,v4,02/25] bpf: Remove copy_register_state wrapper function
    https://git.kernel.org/bpf/bpf-next/c/1cb229a54af1
  - [bpf-next,v4,03/25] bpf: Add helper functions for r11-based stack argument insns
    https://git.kernel.org/bpf/bpf-next/c/78bbe61632f1
  - [bpf-next,v4,04/25] bpf: Set sub->arg_cnt earlier in btf_prepare_func_args()
    https://git.kernel.org/bpf/bpf-next/c/3ab5bd317ee2
  - [bpf-next,v4,05/25] bpf: Support stack arguments for bpf functions
    https://git.kernel.org/bpf/bpf-next/c/0f6bd5e7a804
  - [bpf-next,v4,06/25] bpf: Refactor jmp history to use dedicated spi/frame fields
    https://git.kernel.org/bpf/bpf-next/c/3a656670fd6d
  - [bpf-next,v4,07/25] bpf: Add precision marking and backtracking for stack argument slots
    https://git.kernel.org/bpf/bpf-next/c/0a0fdc64b68c
  - [bpf-next,v4,08/25] bpf: Refactor record_call_access() to extract per-arg logic
    https://git.kernel.org/bpf/bpf-next/c/84dd7df76efe
  - [bpf-next,v4,09/25] bpf: Use arg_is_fp() in has_fp_args()
    https://git.kernel.org/bpf/bpf-next/c/f44e815e65a3
  - [bpf-next,v4,10/25] bpf: Extend liveness analysis to track stack argument slots
    https://git.kernel.org/bpf/bpf-next/c/2af4e792773f
  - [bpf-next,v4,11/25] bpf: Reject stack arguments in non-JITed programs
    https://git.kernel.org/bpf/bpf-next/c/dc8f1cf6787c
  - [bpf-next,v4,12/25] bpf: Prepare architecture JIT support for stack arguments
    https://git.kernel.org/bpf/bpf-next/c/848d624acf66
  - [bpf-next,v4,13/25] bpf: Enable r11 based insns
    https://git.kernel.org/bpf/bpf-next/c/9fae4cba3bfd
  - [bpf-next,v4,14/25] bpf: Support stack arguments for kfunc calls
    https://git.kernel.org/bpf/bpf-next/c/e0b7b91c72db
  - [bpf-next,v4,15/25] bpf: Reject stack arguments if tail call reachable
    https://git.kernel.org/bpf/bpf-next/c/35b78733160c
  - [bpf-next,v4,16/25] bpf: Disable private stack for x86_64 if stack arguments used
    https://git.kernel.org/bpf/bpf-next/c/cb6af5314056
  - [bpf-next,v4,17/25] bpf,x86: Implement JIT support for stack arguments
    https://git.kernel.org/bpf/bpf-next/c/324c3ca6eed6
  - [bpf-next,v4,18/25] selftests/bpf: Add tests for BPF function stack arguments
    https://git.kernel.org/bpf/bpf-next/c/79e7ec00634e
  - [bpf-next,v4,19/25] selftests/bpf: Add tests for stack argument validation
    https://git.kernel.org/bpf/bpf-next/c/9f42204c62d5
  - [bpf-next,v4,20/25] selftests/bpf: Add BTF fixup for __naked subprog parameter names
    https://git.kernel.org/bpf/bpf-next/c/5b31de88920b
  - [bpf-next,v4,21/25] selftests/bpf: Add verifier tests for stack argument validation
    https://git.kernel.org/bpf/bpf-next/c/00c3ac4292a6
  - [bpf-next,v4,22/25] selftests/bpf: Add precision backtracking test for stack arguments
    https://git.kernel.org/bpf/bpf-next/c/6e277efbb19d
  - [bpf-next,v4,23/25] bpf, arm64: Map BPF_REG_0 to x8 instead of x7
    https://git.kernel.org/bpf/bpf-next/c/68e5627579d7
  - [bpf-next,v4,24/25] bpf, arm64: Add JIT support for stack arguments
    https://git.kernel.org/bpf/bpf-next/c/235b2fe772f5
  - [bpf-next,v4,25/25] selftests/bpf: Enable stack argument tests for arm64
    https://git.kernel.org/bpf/bpf-next/c/90e43f1b4753

You are awesome, thank you!
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