Re: [PATCH bpf-next v6 09/23] HID: core: store the unique system identifier... | linux-input

[PATCH bpf-next v6 00/23] Introduce eBPF support for HID devices · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 01/23] selftests/bpf: fix config for CLS_BPF · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 01/23] selftests/bpf: fix config for CLS_BPF · Yonghong Song <hidden> · 2022-07-15
[PATCH bpf-next v6 03/23] bpf/verifier: do not clear meta in check_mem_size · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 03/23] bpf/verifier: do not clear meta in check_mem_size · Yonghong Song <hidden> · 2022-07-16
[PATCH bpf-next v6 02/23] bpf/verifier: allow kfunc to read user provided context · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 02/23] bpf/verifier: allow kfunc to read user provided context · Yonghong Song <hidden> · 2022-07-15
Re: [PATCH bpf-next v6 02/23] bpf/verifier: allow kfunc to read user provided context · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2022-07-16
Re: [PATCH bpf-next v6 02/23] bpf/verifier: allow kfunc to read user provided context · Benjamin Tissoires <hidden> · 2022-07-18
[PATCH bpf-next v6 04/23] selftests/bpf: add test for accessing ctx from syscall program type · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 04/23] selftests/bpf: add test for accessing ctx from syscall program type · Yonghong Song <hidden> · 2022-07-16
[PATCH bpf-next v6 05/23] bpf/verifier: allow kfunc to return an allocated mem · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 05/23] bpf/verifier: allow kfunc to return an allocated mem · Yonghong Song <hidden> · 2022-07-16
Re: [PATCH bpf-next v6 05/23] bpf/verifier: allow kfunc to return an allocated mem · Benjamin Tissoires <hidden> · 2022-07-18
Re: [PATCH bpf-next v6 05/23] bpf/verifier: allow kfunc to return an allocated mem · Yonghong Song <hidden> · 2022-07-19
Re: [PATCH bpf-next v6 05/23] bpf/verifier: allow kfunc to return an allocated mem · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2022-07-16
Re: [PATCH bpf-next v6 05/23] bpf/verifier: allow kfunc to return an allocated mem · Benjamin Tissoires <hidden> · 2022-07-18
[PATCH bpf-next v6 06/23] selftests/bpf: Add tests for kfunc returning a memory pointer · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 06/23] selftests/bpf: Add tests for kfunc returning a memory pointer · Yonghong Song <hidden> · 2022-07-16
Re: [PATCH bpf-next v6 06/23] selftests/bpf: Add tests for kfunc returning a memory pointer · Benjamin Tissoires <hidden> · 2022-07-18
[PATCH bpf-next v6 08/23] libbpf: add map_get_fd_by_id and map_delete_elem in light skeleton · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 08/23] libbpf: add map_get_fd_by_id and map_delete_elem in light skeleton · Yonghong Song <hidden> · 2022-07-16
[PATCH bpf-next v6 09/23] HID: core: store the unique system identifier in hid_device · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 09/23] HID: core: store the unique system identifier in hid_device · Greg KH <gregkh@linuxfoundation.org> · 2022-07-15
[PATCH bpf-next v6 07/23] bpf: prepare for more bpf syscall to be used from kernel and user space. · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 07/23] bpf: prepare for more bpf syscall to be used from kernel and user space. · Yonghong Song <hidden> · 2022-07-16
[PATCH bpf-next v6 11/23] HID: convert defines of HID class requests into a proper enum · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 11/23] HID: convert defines of HID class requests into a proper enum · Greg KH <gregkh@linuxfoundation.org> · 2022-07-15
[PATCH bpf-next v6 10/23] HID: export hid_report_type to uapi · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 10/23] HID: export hid_report_type to uapi · Greg KH <gregkh@linuxfoundation.org> · 2022-07-15
[PATCH bpf-next v6 13/23] selftests/bpf: add tests for the HID-bpf initial implementation · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 12/23] HID: initial BPF implementation · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation · Quentin Monnet <hidden> · 2022-07-13
Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation · Benjamin Tissoires <hidden> · 2022-07-13
Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation · Greg KH <gregkh@linuxfoundation.org> · 2022-07-15
Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation · Benjamin Tissoires <hidden> · 2022-07-15
Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation · Greg KH <gregkh@linuxfoundation.org> · 2022-07-15
[PATCH bpf-next v6 15/23] selftests/bpf/hid: add test to change the report size · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 14/23] HID: bpf: allocate data memory for device_event BPF programs · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 16/23] HID: bpf: introduce hid_hw_request() · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 17/23] selftests/bpf: add tests for bpf_hid_hw_request · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 18/23] HID: bpf: allow to change the report descriptor · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 20/23] selftests/bpf: Add a test for BPF_F_INSERT_HEAD · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 19/23] selftests/bpf: add report descriptor fixup tests · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 21/23] samples/bpf: add new hid_mouse example · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 21/23] samples/bpf: add new hid_mouse example · Dominique Martinet <asmadeus@codewreck.org> · 2022-07-13
Re: [PATCH bpf-next v6 21/23] samples/bpf: add new hid_mouse example · Benjamin Tissoires <hidden> · 2022-07-13
[PATCH bpf-next v6 22/23] HID: bpf: add Surface Dial example · Benjamin Tissoires <hidden> · 2022-07-12
[PATCH bpf-next v6 23/23] Documentation: add HID-BPF docs · Benjamin Tissoires <hidden> · 2022-07-12
Re: [PATCH bpf-next v6 00/23] Introduce eBPF support for HID devices · Alexei Starovoitov <hidden> · 2022-07-14
Re: [PATCH bpf-next v6 00/23] Introduce eBPF support for HID devices · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2022-07-15

Re: [PATCH bpf-next v6 09/23] HID: core: store the unique system identifier in hid_device

From: Greg KH <gregkh@linuxfoundation.org>
Date: 2022-07-15 05:00:47
Also in: bpf, linux-doc, linux-kselftest, lkml, netdev

On Tue, Jul 12, 2022 at 04:58:36PM +0200, Benjamin Tissoires wrote:

This unique identifier is currently used only for ensuring uniqueness in
sysfs. However, this could be handful for userspace to refer to a specific
hid_device by this id.

2 use cases are in my mind: LEDs (and their naming convention), and
HID-BPF.

Signed-off-by: Benjamin Tissoires <redacted>


Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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