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 59C3BC4332F for ; Tue, 9 Nov 2021 01:19:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 437B661242 for ; Tue, 9 Nov 2021 01:19:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243748AbhKIBWR (ORCPT ); Mon, 8 Nov 2021 20:22:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:44370 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236838AbhKIBRR (ORCPT ); Mon, 8 Nov 2021 20:17:17 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id F02C161AEE; Tue, 9 Nov 2021 01:07:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636420021; bh=MONHKaE1Shr4/p9mTgmL0HzssTSE32eQycoFwXU3yW4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fjj9+0/AFhOP2iPp2RelD7NAglbN3rR4GgQPOQdkUwstOg0LNum5HSPJCjDlzgsxD eVI3XzNpsrciXl7N2iN7dIyKNjh5QP2wOFkZ4dJSTBhMqRSa7Sg+81t4/S1Y2eiS4o OM+blgTCuIjG6HyMO0Ps9mTRNXkuBc3EdKTVboHmAu8e4ysn8UyfqQ4P+8052YagO5 Hiqwq2SHxqhOa66pZmNY/T26EC1vsNoHmYcK/dD9urHIyaX9Mn95fk4qBZ8LKLxKaw v7fqAp1fZY5IrlURdnzFfYKXneIwY+sCkvOZsrCS3uVHb/4+yuAlKEbzyqqmz5NgYw j+v11dHVWRa6A== 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 4.14 06/39] locking/lockdep: Avoid RCU-induced noinstr fail Date: Mon, 8 Nov 2021 20:06:16 -0500 Message-Id: <20211109010649.1191041-6-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211109010649.1191041-1-sashal@kernel.org> References: <20211109010649.1191041-1-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 03e3ab61a2edd..ac0725b1ada75 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -713,7 +713,7 @@ 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