From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1603046AF00; Fri, 15 May 2026 10:57:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778842643; cv=none; b=sw6GQVqbqCbdMArP366tHHLaVEO99KIN5R9nhSfCCmFkYE/WRa9JM3Kwm1+vpg2HhLMeMgF+UrHgVWHgwpJna7TScVRy7FOddtE68gk3C84s2rJzDJdSZr+u/O4qnYYuTyGwAehkBFQO7NxmgF4X3y1kcC2bMarmO0wskLHhNc4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778842643; c=relaxed/simple; bh=LqXpU0eLoolNaYSGQGrBUswa+ZL27uaoziW+Ze/dzlc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=D7a7Da32ozs/gvReWGkqPqIZfwbQ43P86ewqq952n1PN2yF67/oQqTay+f2RGSIBprJXewYzM/Y34+ltM1bGTdIEvvJi0fhSIYEI+I9RddLbbfEFc3BOMby2f6Buwc+GeZH65GaX3PkYJ6KL59aKdmcFAUvST+Q6n77erSsPWf8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A00PZxIs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="A00PZxIs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8ACF2C2BCB0; Fri, 15 May 2026 10:57:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778842642; bh=LqXpU0eLoolNaYSGQGrBUswa+ZL27uaoziW+Ze/dzlc=; h=From:To:Cc:Subject:Date:From; b=A00PZxIsj8/TWyEbTAGrK3daBUuy8Ept+yDveA7FOw4pkStY8/YnLTgQutYyCFyFl oz8k092RwHbqxrxmCoa75nL8NliOs/RY25HQSLd22f5ugLgXCoM2/+oGejFl/tio4g KIvbNWsldhwkImoeVlUC7ppOd6EQIe/u8AsNyVsrWCRem3J84QMN9JBcAjN8tCqvg8 2lbrkdflGQpBaBDWHLwpreQIv+eN76zA2o++Ax4WQZdEOMGzspxanPRVLQ6G46ErmA bG5Jk47wBu2u3/V3Hq0lYOAKEOt9d8P9HB+ecDQyp3GI4Cx9NGEsKPHszVINXAnZBr eonK0X7FfBspA== From: Arnd Bergmann To: Steven Rostedt , Masami Hiramatsu , Marc Zyngier , Nathan Chancellor , Vincent Donnefort Cc: Arnd Bergmann , Mathieu Desnoyers , Paolo Bonzini , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: [PATCH] [v2] tracing: samples: avoid unexpected symbol warnings (arm, s390) Date: Fri, 15 May 2026 12:57:09 +0200 Message-Id: <20260515105717.1023007-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnd Bergmann The now more verbose check found more architecture specific symbol missing from the whitelist, during randconfig testing on s390 and 32-bit arm: Unexpected symbols in kernel/trace/simple_ring_buffer.o: U __aeabi_unwind_cpp_pr1 Unexpected symbols in kernel/trace/simple_ring_buffer.o: U __s390_indirect_jump_r1 U __s390_indirect_jump_r10 U __s390_indirect_jump_r14 U __s390_indirect_jump_r2 U __s390_indirect_jump_r5 U __s390_indirect_jump_r7 U __s390_indirect_jump_r8 U __s390_indirect_jump_r9 make[6]: *** [/home/arnd/arm-soc/kernel/trace/Makefile:160: kernel/trace/simple_ring_buffer.o.checked] Error 1 Add these to the list and keep it roughly sorted into sanitizer and architecture symbols. Fixes: 1211907ac0b5 ("tracing: Generate undef symbols allowlist for simple_ring_buffer") Signed-off-by: Arnd Bergmann --- v2: add both s390 and arm symbols --- kernel/trace/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 1decdce8cbef..9b0834134cae 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -143,8 +143,8 @@ obj-$(CONFIG_TRACE_REMOTE_TEST) += remote_test.o targets += undefsyms_base.o KASAN_SANITIZE_undefsyms_base.o := y -UNDEFINED_ALLOWLIST = __asan __gcov __kasan __kcsan __hwasan __sancov __sanitizer __tsan __ubsan __x86_indirect_thunk \ - __msan simple_ring_buffer \ +UNDEFINED_ALLOWLIST = __asan __gcov __kasan __kcsan __hwasan __sancov __sanitizer __tsan __ubsan __msan \ + __aeabi_unwind_cpp __s390_indirect_jump __x86_indirect_thunk simple_ring_buffer \ $(shell $(NM) -u $(obj)/undefsyms_base.o 2>/dev/null | awk '{print $$2}') quiet_cmd_check_undefined = NM $< -- 2.39.5