From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758175Ab2BDBvk (ORCPT ); Fri, 3 Feb 2012 20:51:40 -0500 Received: from e39.co.us.ibm.com ([32.97.110.160]:35790 "EHLO e39.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757517Ab2BDBqG (ORCPT ); Fri, 3 Feb 2012 20:46:06 -0500 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, fweisbec@gmail.com, patches@linaro.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 44/47] rcu: Remove redundant check for rcu_head misalignment Date: Fri, 3 Feb 2012 17:45:19 -0800 Message-Id: <1328319922-30828-44-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1328319922-30828-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20120204014452.GA29811@linux.vnet.ibm.com> <1328319922-30828-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12020401-4242-0000-0000-000000AEC5C8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" There is now an unconditional check for rcu_head misalignment in __call_rcu(), so remove the old conditional one in debug_rcu_head_queue(). Reported-by: Josh Triplett Signed-off-by: Paul E. McKenney --- kernel/rcu.h | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/kernel/rcu.h b/kernel/rcu.h index a074b0b..30876f4 100644 --- a/kernel/rcu.h +++ b/kernel/rcu.h @@ -50,7 +50,6 @@ extern struct debug_obj_descr rcuhead_debug_descr; static inline void debug_rcu_head_queue(struct rcu_head *head) { - WARN_ON_ONCE((unsigned long)head & 0x3); debug_object_activate(head, &rcuhead_debug_descr); debug_object_active_state(head, &rcuhead_debug_descr, STATE_RCU_HEAD_READY, -- 1.7.8