From patchwork Wed Apr 3 18:01:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christopher Covington X-Patchwork-Id: 2388891 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork2.kernel.org (Postfix) with ESMTP id 8BFA5DFB79 for ; Wed, 3 Apr 2013 18:06:38 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNS4z-0005Kp-N6 for patchwork-linux-arm@patchwork.kernel.org; Wed, 03 Apr 2013 18:06:37 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNRzv-0003DG-4Y; Wed, 03 Apr 2013 18:01:23 +0000 Received: from wolverine01.qualcomm.com ([199.106.114.254]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNRzr-0003Ct-JI for linux-arm-kernel@lists.infradead.org; Wed, 03 Apr 2013 18:01:20 +0000 X-IronPort-AV: E=Sophos;i="4.87,402,1363158000"; d="scan'208";a="35467822" Received: from pdmz-ns-snip_114_130.qualcomm.com (HELO mostmsg01.qualcomm.com) ([199.106.114.130]) by wolverine01.qualcomm.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 03 Apr 2013 11:01:15 -0700 Received: from keeshans.qualcomm.com (pdmz-ns-snip_218_1.qualcomm.com [192.168.218.1]) by mostmsg01.qualcomm.com (Postfix) with ESMTPA id 1336A10004AB; Wed, 3 Apr 2013 11:01:14 -0700 (PDT) From: Christopher Covington To: Catalin Marinas , Will Deacon Subject: [PATCH] arm64: Fix task tracing Date: Wed, 3 Apr 2013 14:01:01 -0400 Message-Id: <1365012061-31660-1-git-send-email-cov@codeaurora.org> X-Mailer: git-send-email 1.8.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130403_140119_856896_98C6BB99 X-CRM114-Status: UNSURE ( 8.24 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [199.106.114.254 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Christopher Covington X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org For accurate accounting call contextidr_thread_switch before a task is scheduled, rather than after. Signed-off-by: Christopher Covington --- arch/arm64/kernel/process.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 0337cdb..c2cc249 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -311,11 +311,11 @@ struct task_struct *__switch_to(struct task_struct *prev, fpsimd_thread_switch(next); tls_thread_switch(next); hw_breakpoint_thread_switch(next); + contextidr_thread_switch(next); /* the actual thread switch */ last = cpu_switch_to(prev, next); - contextidr_thread_switch(next); return last; }