Re: [PATCH v3 0/3] selftests/hid: assorted fixes

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On Thu, Oct 5, 2023 at 8:55 AM Benjamin Tissoires <bentiss@xxxxxxxxxx> wrote:
>
> And this is the last(?) revision of this series which should now compile
> with or without CONFIG_HID_BPF set.
>
> I had to do changes because [1] was failing
>
> Nick, I kept your Tested-by, even if I made small changes in 1/3. Feel
> free to shout if you don't want me to keep it.
>
> Eduard, You helped us a lot in the review of v1 but never sent your
> Reviewed-by or Acked-by. Do you want me to add one?
>
> Cheers,
> Benjamin
>
> [1] https://gitlab.freedesktop.org/bentiss/hid/-/jobs/49754306
>
> For reference, the v2 cover letter:
>
> | Hi, I am sending this series on behalf of myself and Benjamin Tissoires. There
> | existed an initial n=3 patch series which was later expanded to n=4 and
> | is now back to n=3 with some fixes added in and rebased against
> | mainline.
> |
> | This patch series aims to ensure that the hid/bpf selftests can be built
> | without errors.
> |
> | Here's Benjamin's initial cover letter for context:
> | |  These fixes have been triggered by [0]:
> | |  basically, if you do not recompile the kernel first, and are
> | |  running on an old kernel, vmlinux.h doesn't have the required
> | |  symbols and the compilation fails.
> | |
> | |  The tests will fail if you run them on that very same machine,
> | |  of course, but the binary should compile.
> | |
> | |  And while I was sorting out why it was failing, I realized I
> | |  could do a couple of improvements on the Makefile.
> | |
> | |  [0] https://lore.kernel.org/linux-input/56ba8125-2c6f-a9c9-d498-0ca1c153dcb2@xxxxxxxxxx/T/#t
>
> Signed-off-by: Benjamin Tissoires <bentiss@xxxxxxxxxx>
> ---
> Changes in v3:
> - Also overwrite all of the enum symbols in patch 1/3
> - Link to v2: https://lore.kernel.org/r/20230908-kselftest-09-08-v2-0-0def978a4c1b@xxxxxxxxxx
>
> Changes in v2:
> - roll Justin's fix into patch 1/3
> - add __attribute__((preserve_access_index)) (thanks Eduard)
> - rebased onto mainline (2dde18cd1d8fac735875f2e4987f11817cc0bc2c)
> - Link to v1: https://lore.kernel.org/r/20230825-wip-selftests-v1-0-c862769020a8@xxxxxxxxxx
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/1698
> Link: https://github.com/ClangBuiltLinux/continuous-integration2/issues/61
>
> ---
> Benjamin Tissoires (3):
>       selftests/hid: ensure we can compile the tests on kernels pre-6.3
>       selftests/hid: do not manually call headers_install
>       selftests/hid: force using our compiled libbpf headers
>
>  tools/testing/selftests/hid/Makefile               | 10 ++-
>  tools/testing/selftests/hid/progs/hid.c            |  3 -
>  .../testing/selftests/hid/progs/hid_bpf_helpers.h  | 77 ++++++++++++++++++++++
>  3 files changed, 81 insertions(+), 9 deletions(-)
> ---
> base-commit: 29aa98d0fe013e2ab62aae4266231b7fb05d47a2
> change-id: 20230825-wip-selftests-9a7502b56542
>
> Best regards,
> --
> Benjamin Tissoires <bentiss@xxxxxxxxxx>
>

Tested entire series.

 I can now build the tests using this command:

$ make LLVM=1 -j128 ARCH=x86_64 mrproper headers && make LLVM=1 -j128
ARCH=x86_64 -C tools/testing/selftests TARGETS=hid


Tested-by:  Justin Stitt <justinstitt@xxxxxxxxxx>





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