tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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tracing: Update undefined symbols allow list for simple_ring_buffer

Undefined symbols are not allowed for simple_ring_buffer.c. But some
compiler emitted symbols are missing in the allowlist. Update it.

Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Fixes: a717943d8ecc ("tracing: Check for undefined symbols in simple_ring_buffer")
Closes: https://lore.kernel.org/all/20260311221816.GA316631@ax162/
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://patch.msgid.link/20260312113535.2213350-1-vdonnefort@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>

authored by

Vincent Donnefort and committed by
Marc Zyngier 5f2f8304 ce6a2bad

+2 -1
+2 -1
kernel/trace/Makefile
··· 137 137 # to all kernel symbols. Fail the build if forbidden symbols are found. 138 138 # 139 139 UNDEFINED_ALLOWLIST := memset alt_cb_patch_nops __x86 __ubsan __asan __kasan __gcov __aeabi_unwind 140 - UNDEFINED_ALLOWLIST += __stack_chk_fail stackleak_track_stack __ref_stack __sanitizer 140 + UNDEFINED_ALLOWLIST += __stack_chk_fail stackleak_track_stack __ref_stack __sanitizer llvm_gcda llvm_gcov 141 + UNDEFINED_ALLOWLIST += .TOC\. __clear_pages_unrolled __memmove copy_page warn_slowpath_fmt 141 142 UNDEFINED_ALLOWLIST := $(addprefix -e , $(UNDEFINED_ALLOWLIST)) 142 143 143 144 quiet_cmd_check_undefined = NM $<