From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) (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 4A92A451062; Wed, 13 May 2026 14:59:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778684397; cv=none; b=CDSuJzglmay+HPpxHvN015WRy8NZD1j40X+S+wkg41eYzzDxbMMwcSNVNvLbvjk3hiGW0zGEmjRXojFcQMq+kwn2bqFcBeYKrTVNgs++gy4DPUcIM2WmwKJF7yQV8j6YmafAF2BPJt44MyFizhuQApn1KlEx/Ox7sHbBJvBRfz0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778684397; c=relaxed/simple; bh=GMDlgJH93DvxWckoM67X7tcpwo+mnwJkIInKhw+ZGSc=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Xl/cJam4/xsQk7P7MlRVKrOUQcjQadxZShWOnHT6v7UWTCAS6x57wuhBKuiZk4UdtAI0KIZriM3cod8jkgB/m7EjZDiSxzDCOHsuId6mkDip7fg6Q57gdQ5FfIrIXVS8GCqlwuQ/5nBz1s45PZzJ2jJmYJB0G8WF3SuHwk0iIY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf05.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 0D8994016D; Wed, 13 May 2026 14:59:39 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf05.hostedemail.com (Postfix) with ESMTPA id E01A120015; Wed, 13 May 2026 14:59:36 +0000 (UTC) Date: Wed, 13 May 2026 10:59:39 -0400 From: Steven Rostedt To: Vincent Donnefort Cc: Arnd Bergmann , Masami Hiramatsu , Nathan Chancellor , Marc Zyngier , Arnd Bergmann , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH] tracing: samples: avoid warning about __aeabi_unwind_cpp_pr1 Message-ID: <20260513105939.3bbdc174@gandalf.local.home> In-Reply-To: <20260323105646.590718-1-arnd@kernel.org> References: <20260323105646.590718-1-arnd@kernel.org> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: E01A120015 X-Stat-Signature: xr9333hza3uzmm4871w7qej56tz7y3cq X-Rspamd-Server: rspamout01 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX197IoFTOok/1yyP+GJkcRZZLi7eGY9KJds= X-HE-Tag: 1778684376-103969 X-HE-Meta: U2FsdGVkX18x5dUHK+zjobqA7Ypu8qBrjnmWIaKF00iWCbJJE5w3pDSmHlY5w7Dj9ypzU7UvnBfWn+wtT9f8SHK3SUXFz/ayLmsb4Mmc0E7NtfP5WBjKF3I3LzHmcmfVbH5Qi/Ag9EtUwwQrMSJ8PZvGeKFf4O0ZtDrMYdli4Or2jNUhJtSbXsmtia3Ukugk5rzqyCYdecLsPeCaYNw7/cmm1XxgqZOvJGHjUGmuNJoGS4uOJFluu/WxN1TxT2+p2YogtctEhmkocIzhXXvksnerSImGhmd4OEtRcPPnHzh4AwNGCrGKuuLyPurkTanne0GxF61ZHkRcZkWkrAA1R24Yobll5We3 Vincent, Is this patch needed? That is, did it fall through the cracks? -- Steve On Mon, 23 Mar 2026 11:56:41 +0100 Arnd Bergmann wrote: > From: Arnd Bergmann > > The now more verbose check found another symbol missing from the whitelist: > > Unexpected symbols in kernel/trace/simple_ring_buffer.o: > U __aeabi_unwind_cpp_pr1 > > Add this to the Makefile. > > Fixes: 1211907ac0b5 ("tracing: Generate undef symbols allowlist for simple_ring_buffer") > Signed-off-by: Arnd Bergmann > --- > kernel/trace/Makefile | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile > index d662c1a64cd5..aba6a25db17b 100644 > --- a/kernel/trace/Makefile > +++ b/kernel/trace/Makefile > @@ -169,8 +169,8 @@ targets += undefsyms_base.o > # because it is not linked into vmlinux. > 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 \ > + __x86_indirect_thunk __aeabi_unwind_cpp simple_ring_buffer \ > $(shell $(NM) -u $(obj)/undefsyms_base.o 2>/dev/null | awk '{print $$2}') > > quiet_cmd_check_undefined = NM $<