Re: [PATCH HID v3 00/16] HID: convert HID-BPF into using bpf_struct_ops

From: Benjamin Tissoires
Date: Fri Jun 14 2024 - 05:26:36 EST


On Sat, 08 Jun 2024 11:01:12 +0200, Benjamin Tissoires wrote:
> The purpose of this series is to rethink how HID-BPF is invoked.
> Currently it implies a jmp table, a prog fd bpf_map, a preloaded tracing
> bpf program and a lot of manual work for handling the bpf program
> lifetime and addition/removal.
>
> OTOH, bpf_struct_ops take care of most of the bpf handling leaving us
> with a simple list of ops pointers, and we can directly call the
> struct_ops program from the kernel as a regular function.
>
> [...]

Applied to hid/hid.git (for-6.11/bpf), thanks!

[01/16] HID: rename struct hid_bpf_ops into hid_ops
https://git.kernel.org/hid/hid/c/146a06a0d225
[02/16] HID: bpf: add hid_get/put_device() helpers
https://git.kernel.org/hid/hid/c/99b40bf8053f
[03/16] HID: bpf: implement HID-BPF through bpf_struct_ops
https://git.kernel.org/hid/hid/c/ebc0d8093e8c
[04/16] selftests/hid: convert the hid_bpf selftests with struct_ops
https://git.kernel.org/hid/hid/c/d7696738d66b
[05/16] HID: samples: convert the 2 HID-BPF samples into struct_ops
https://git.kernel.org/hid/hid/c/e342d6f6f7d8
[06/16] HID: bpf: add defines for HID-BPF SEC in in-tree bpf fixes
https://git.kernel.org/hid/hid/c/df67602fb8d5
[07/16] HID: bpf: convert in-tree fixes into struct_ops
https://git.kernel.org/hid/hid/c/50fe0fc6e206
[08/16] HID: bpf: remove tracing HID-BPF capability
https://git.kernel.org/hid/hid/c/4a86220e046d
[09/16] selftests/hid: add subprog call test
https://git.kernel.org/hid/hid/c/05b3b8f19441
[10/16] Documentation: HID: amend HID-BPF for struct_ops
https://git.kernel.org/hid/hid/c/c5958697a5fa
[11/16] Documentation: HID: add a small blurb on udev-hid-bpf
https://git.kernel.org/hid/hid/c/5f42e19de53f
[12/16] HID: bpf: Artist24: remove unused variable
https://git.kernel.org/hid/hid/c/26ba1e0a982b
[13/16] HID: bpf: error on warnings when compiling bpf objects
https://git.kernel.org/hid/hid/c/c94ae2189aca
[14/16] bpf: allow bpf helpers to be used into HID-BPF struct_ops
https://git.kernel.org/hid/hid/c/bd0747543b3d
[15/16] HID: bpf: rework hid_bpf_ops_btf_struct_access
https://git.kernel.org/hid/hid/c/f1a5fb6c7cf6
[16/16] HID: bpf: make part of struct hid_device writable
https://git.kernel.org/hid/hid/c/33c0fb85b571

Cheers,
--
Benjamin Tissoires <bentiss@xxxxxxxxxx>