Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757554AbYLPOx0 (ORCPT ); Tue, 16 Dec 2008 09:53:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755509AbYLPOxQ (ORCPT ); Tue, 16 Dec 2008 09:53:16 -0500 Received: from mga09.intel.com ([134.134.136.24]:29780 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755422AbYLPOxQ (ORCPT ); Tue, 16 Dec 2008 09:53:16 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.36,231,1228118400"; d="scan'208";a="371331195" Date: Tue, 16 Dec 2008 15:53:11 +0100 From: Markus Metzger To: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com Cc: markus.t.metzger@intel.com, markus.t.metzger@gmail.com, roland@redhat.com, eranian@googlemail.com Subject: [patch 3/3] x86, bts: correctly report invalid bts records Message-ID: <20081216155311.A30159@sedona.ch.intel.com> Mime-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.2.5i Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1574 Lines: 41 Correctly report a cleared BTS record as invalid. Used to be reported as branch from 0 to 0. Signed-off-by: Markus Metzger --- Index: ftrace/arch/x86/kernel/ds.c =================================================================== --- ftrace.orig/arch/x86/kernel/ds.c 2008-12-15 09:29:05.000000000 +0100 +++ ftrace/arch/x86/kernel/ds.c 2008-12-15 11:32:04.000000000 +0100 @@ -484,6 +484,9 @@ out->qualifier = bts_branch; out->variant.lbr.from = bts_get(at, bts_from); out->variant.lbr.to = bts_get(at, bts_to); + + if (!out->variant.lbr.from && !out->variant.lbr.to) + out->qualifier = bts_invalid; } return ds_cfg.sizeof_rec[ds_bts]; --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/