From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 848B251A722 for ; Thu, 15 Oct 2026 13:34:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792071245; cv=none; b=lV7PB8hWPeU1jX2Xu4Yf0tdnHTYNhMvzm09GCw9F2RspvvQzRSdiPiCCIkXjMXYrNApAtzQro7amCStNkP0PHhBy3rBdSlrCQyvbFf6ijEqm6bd9iWQ8cZoa4Hzx0XFLAp5cCAJrk72btHSLHkhIVT8hcCMKr/Oeuw2tS6kkTn0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792071245; c=relaxed/simple; bh=WCD2n/2+3bhUZwAYLWmoHqc8fEGZWl66sj35ydmf5M8=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=rZj2nFY77Ey3pFg5064McFll0rKg3BLRAEldB5rH0H2vL6n0yi4iXaDN+t986A+8HNUNsFJ9+DZwZNiu/7jz3N8wx5sUGi4n33DBVrOb6doi1lZmP98tuHgm/TFiIoRJjAQaTDZlZ1kboZm/jBt7/tPzMtI7V46ejzjOI5/a7I8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NFbcNgbs; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NFbcNgbs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6490C1F000CC; Thu, 15 Oct 2026 13:34:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792071244; bh=DjKzbWi5QfjSbzGE6O0t3Rga+rFRhEnzhGR/VdPNEjU=; h=Date:From:To:Cc:Subject:References; b=NFbcNgbsbo/phffm1BCPSQobmg9BsJgxoAAKtk/+ZAAruY64i9tQI6rrGX5k2Who6 3VyAaoOZirmW45RCf9BFeofXoYHGmnfCgUzo0DTh4nICvWCXw3ERNowm+MoEaXmsV5 4OgtOVk8eA513x0io7rjecxjwvbBYLozzM+NQzYLWnYd4V+gm/SlIFmOrfdI7JVqLu bNo5Nint89lrpoETYsPTZThg+E85Zsx39Fj9dWA9lTK7rFSTgGPyc0DkYLa/+3SnkB CHRXvfA6V8mD1eRqQSfuqyaS3AeMBM8Sipir1WZvTE9df/KaC/i3nIvkTAjnRYY9/J bRvEfX1pIRHaQ== Received: from rostedt by gandalf with local (Exim 4.100.1) (envelope-from ) id 1xHLat-00000000Mdr-3CrP; Thu, 15 Oct 2026 09:34:03 -0400 Message-ID: <20261015133403.580663910@kernel.org> User-Agent: quilt/0.69 Date: Thu, 15 Oct 2026 09:33:18 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Guenter Roeck , Vincent Donnefort Subject: [for-linus][PATCH 08/16] tracing: Fix simple_ring_buffer undef check on sparc64 References: <20261015133310.731003448@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 From: Vincent Donnefort simple_ring_buffer relies on headers that end up including . On sparc64, this emits the undefined symbol current_thread_info_reg. Allow this symbol. Link: https://patch.msgid.link/20260923074213.3077182-4-vdonnefort@google.com Fixes: 1211907ac0b5 ("tracing: Generate undef symbols allowlist for simple_ring_buffer") Reported-by: Guenter Roeck Closes: https://lore.kernel.org/all/5574c9e6-9ed2-4ee6-a2b2-fb6ee81e83a1@roeck-us.net/ Signed-off-by: Vincent Donnefort Tested-by: Guenter Roeck Signed-off-by: Steven Rostedt --- kernel/trace/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 0e1846f7dda3..3860bc53a4be 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -146,6 +146,7 @@ KASAN_SANITIZE_undefsyms_base.o := y UNDEFINED_ALLOWLIST = __asan __gcov __kasan __kcsan __hwasan __sancov __sanitizer __tsan __ubsan __msan \ __aeabi_unwind_cpp __s390_indirect_jump __x86_indirect_thunk simple_ring_buffer \ + current_thread_info_reg \ $(shell $(NM) -u $(obj)/undefsyms_base.o 2>/dev/null | awk '$$2 {print $$2}') quiet_cmd_check_undefined = NM $< -- 2.53.0