On Thu, 12 Mar 2026 11:35:35 +0000
Vincent Donnefort <[email protected]> wrote:
> Undefined symbols are not allowed for simple_ring_buffer.c. But some
> compiler emitted symbols are missing in the allowlist. Update it.
>
Should add:
Fixes: a717943d8ecc ("tracing: Check for undefined symbols in
simple_ring_buffer")
Closes: https://lore.kernel.org/all/20260311221816.GA316631@ax162/
> Reported-by: Nathan Chancellor <[email protected]>
> Signed-off-by: Vincent Donnefort <[email protected]>
Should this go through the arm tree or mine?
I'm fine with either, and in case the arm tree:
Acked-by: Steven Rostedt (Google) <[email protected]>
-- Steve
>
> diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
> index 3182e1bc1cf7..3cc490aadc99 100644
> --- a/kernel/trace/Makefile
> +++ b/kernel/trace/Makefile
> @@ -137,7 +137,8 @@ obj-$(CONFIG_TRACE_REMOTE_TEST) += remote_test.o
> # to all kernel symbols. Fail the build if forbidden symbols are found.
> #
> UNDEFINED_ALLOWLIST := memset alt_cb_patch_nops __x86 __ubsan __asan __kasan
> __gcov __aeabi_unwind
> -UNDEFINED_ALLOWLIST += __stack_chk_fail stackleak_track_stack __ref_stack
> __sanitizer
> +UNDEFINED_ALLOWLIST += __stack_chk_fail stackleak_track_stack __ref_stack
> __sanitizer llvm_gcda llvm_gcov
> +UNDEFINED_ALLOWLIST += .TOC\. __clear_pages_unrolled __memmove copy_page
> warn_slowpath_fmt
> UNDEFINED_ALLOWLIST := $(addprefix -e , $(UNDEFINED_ALLOWLIST))
>
> quiet_cmd_check_undefined = NM $<
>
> base-commit: 455baa581922086f1ad44c76d4a3b03c265ee950
