From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792774527; b=SqzlhnIJGDa9sqV5o297OCwzHaTuBql+ra9Z7IEjkEo5Us5AWRhjeZ6cGtMr2R9E+JBD PqF8GbjfwcOTaL4y2VdkKfXAkprCMOzoJdOCngqBgv4qQQmMJPgEYudk0EiXaWWiThbJZ zAzNkP1CtA18hpPQCMoNLBYRuO+9xU/EaGCUBsNs+3I52ugoPbN6kSaJg4/Pui/rWSyCN hRDJmR5dD23Tole9QdVDdTA5yjarY47tJV64tiRj3VecWbe5+CEJlLsFjaZbtygbKA9qv V3Ch3DI+hQJMonohS460yhSWLZ2TUeKpdMySpaJ+BUQf3l4n141sPHCZRQW1i+gGOag== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792774527; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=ta7AbZJvmo2LWOw9rUuSOwTsEMf4C8U1sFeannP2iCk=; b=to6j7g0TX3fOFj4rF1e6+nJaTKUdjxCOKHMbqvX1G2EqhWYJAu1n06apgblkW/aN4X6H GHYmFESziiUbMdlnTgpIdyyQCDurhSCuAy1kq1Am0sZq13xXKrXEuHmRH6Nj2Vr5YjbK4 Hy8d6Lk3oDzeZI5rG1XoWJbBL01I/qMp55/qNy0ImaqDbQ57g9FLUjQUmiC4ycXRi5pQJ cZ6NSOSlfgDvygvwqS6jHMVS/JrmxnkiUvIbPImwODx8PrHdEcshuN5wKVSDsELUy93Ne iRI5WzeuRpYUdYs+cLw666PfT6GAP2CwxSuIgLEgh/yMJKjWUmfgWuen7YwZYINtRkQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=1UgZp+UE; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D53AD606A31E; Fri, 23 Oct 2026 16:55:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=1UgZp+UE Received: by smtp.kernel.org (Postfix) with ESMTPSA id E8CB01F01825; Fri, 23 Oct 2026 16:55:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1792774526; bh=ta7AbZJvmo2LWOw9rUuSOwTsEMf4C8U1sFeannP2iCk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=1UgZp+UETk7Yve+vYfFwOswZeRQ2CMv9HIJwRPq2FKVx50W4i7e9hPdUTKUUo3hmJ lBL2HSg/OOViIUWPwQvyGKvDsw6lLUQUDwpSWimqlgwGOPbMh852LUP5fBoPdk07NB /kidiDlYTeVtuXwZBBGvFDAwcSCG5cLNAzpK2Hzo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Guenter Roeck , Vincent Donnefort , Steven Rostedt , Sasha Levin Subject: [PATCH 7.2 070/242] tracing: Fix simple_ring_buffer undef check on sparc64 Date: Fri, 23 Oct 2026 18:38:32 +0200 Message-ID: <20261023163715.436739408@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261023163713.816071858@linuxfoundation.org> References: <20261023163713.816071858@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vincent Donnefort [ Upstream commit 0fa993581aaa58a34ae3dcebebe0fbf593fcb441 ] 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 Signed-off-by: Sasha Levin --- kernel/trace/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 0e1846f7dda32..3860bc53a4bed 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