From patchwork Tue Nov 15 20:28:02 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 5156 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 67D4123E0F for ; Tue, 15 Nov 2011 20:28:53 +0000 (UTC) Received: from mail-fx0-f52.google.com (mail-fx0-f52.google.com [209.85.161.52]) by fiordland.canonical.com (Postfix) with ESMTP id 5C433A18283 for ; Tue, 15 Nov 2011 20:28:53 +0000 (UTC) Received: by mail-fx0-f52.google.com with SMTP id a26so1226734faa.11 for ; Tue, 15 Nov 2011 12:28:53 -0800 (PST) Received: by 10.152.135.166 with SMTP id pt6mr18406040lab.26.1321388933206; Tue, 15 Nov 2011 12:28:53 -0800 (PST) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.152.41.198 with SMTP id h6cs55709lal; Tue, 15 Nov 2011 12:28:53 -0800 (PST) Received: by 10.52.65.1 with SMTP id t1mr44709328vds.121.1321388931047; Tue, 15 Nov 2011 12:28:51 -0800 (PST) Received: from e3.ny.us.ibm.com (e3.ny.us.ibm.com. [32.97.182.143]) by mx.google.com with ESMTPS id o14si11137054ani.211.2011.11.15.12.28.50 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 15 Nov 2011 12:28:51 -0800 (PST) Received-SPF: pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.143 as permitted sender) client-ip=32.97.182.143; Authentication-Results: mx.google.com; spf=pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.143 as permitted sender) smtp.mail=paulmck@linux.vnet.ibm.com Received: from /spool/local by e3.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 15 Nov 2011 15:28:48 -0500 Received: from d01relay01.pok.ibm.com ([9.56.227.233]) by e3.ny.us.ibm.com ([192.168.1.103]) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 15 Nov 2011 15:28:10 -0500 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay01.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id pAFKS9Rk190398; Tue, 15 Nov 2011 15:28:09 -0500 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id pAFKS8EO008173; Tue, 15 Nov 2011 15:28:09 -0500 Received: from paulmck-ThinkPad-W500 ([9.47.24.246]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id pAFKS73G008086; Tue, 15 Nov 2011 15:28:07 -0500 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id DCAC9EAA10; Tue, 15 Nov 2011 12:28:06 -0800 (PST) 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, patches@linaro.org, "Paul E. McKenney" , "Paul E. McKenney" , "David S. Miller" Subject: [PATCH tip/core/rcu 6/9] sparc: Make SPARC use the new is_idle_task() API Date: Tue, 15 Nov 2011 12:28:02 -0800 Message-Id: <1321388885-11211-6-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20111115202736.GA11030@linux.vnet.ibm.com> References: <20111115202736.GA11030@linux.vnet.ibm.com> x-cbid: 11111520-8974-0000-0000-00000222CBC0 From: Paul E. McKenney Change from direct comparison of ->pid with zero to is_idle_task(). Signed-off-by: Paul E. McKenney Signed-off-by: Paul E. McKenney Cc: "David S. Miller" Acked-by: David S. Miller --- arch/sparc/kernel/setup_32.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index fe1e3fc..ffb883d 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -84,7 +84,7 @@ static void prom_sync_me(void) prom_printf("PROM SYNC COMMAND...\n"); show_free_areas(0); - if(current->pid != 0) { + if (!is_idle_task(current)) { local_irq_enable(); sys_sync(); local_irq_disable();