From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 979A6C4332F for ; Tue, 9 Nov 2021 01:26:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 792BD610A8 for ; Tue, 9 Nov 2021 01:26:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243988AbhKIB2m (ORCPT ); Mon, 8 Nov 2021 20:28:42 -0500 Received: from mail.kernel.org ([198.145.29.99]:50180 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243376AbhKIBVS (ORCPT ); Mon, 8 Nov 2021 20:21:18 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1EE9C61B23; Tue, 9 Nov 2021 01:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636420099; bh=vt/kUNrq1/PKDVlv0B4kdHte0XI2Dw16MpAuLTNk32c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P17ruOj4WToKZqHYBUzPQJSgakMzFtITUVXPjtjGg2J8o9z9AtUrqkUc1e7kkdra7 xfA54vNvd/aCW+yuX2+lCdTxjPtjvD996FlcviYJbVgBYGR9XGOZmDfWZsEM9Or4zt G+KMMDjKY0JVPpyFAQtQ9XVyCWuVJVEUn0ejTLus+RIc/mVgGIUSU4sAcrzLRSEc2N AhjFTcK1UzdXOnaJYsKW9syqJo215vmolmi++V47eGJygkIVLal4jvGobnqobdv3K/ hHVBArU7HyDh2dlQX0B0xdtQNIimPZk3J3CF0rGynaL3+valg5+wlYS1rOSE0Aa4SC AmYYOsNS3Hu6Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peter Zijlstra , Sasha Levin , mingo@redhat.com, will@kernel.org Subject: [PATCH AUTOSEL 4.9 06/33] locking/lockdep: Avoid RCU-induced noinstr fail Date: Mon, 8 Nov 2021 20:07:40 -0500 Message-Id: <20211109010807.1191567-6-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211109010807.1191567-1-sashal@kernel.org> References: <20211109010807.1191567-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Zijlstra [ Upstream commit ce0b9c805dd66d5e49fd53ec5415ae398f4c56e6 ] vmlinux.o: warning: objtool: look_up_lock_class()+0xc7: call to rcu_read_lock_any_held() leaves .noinstr.text section Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20210624095148.311980536@infradead.org Signed-off-by: Sasha Levin --- kernel/locking/lockdep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 9f56e3fac795a..05dd765e2cbca 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -695,7 +695,7 @@ look_up_lock_class(struct lockdep_map *lock, unsigned int subclass) if (DEBUG_LOCKS_WARN_ON(!irqs_disabled())) return NULL; - hlist_for_each_entry_rcu(class, hash_head, hash_entry) { + hlist_for_each_entry_rcu_notrace(class, hash_head, hash_entry) { if (class->key == key) { /* * Huh! same key, different name? Did someone trample -- 2.33.0