Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759064AbYAHKvj (ORCPT ); Tue, 8 Jan 2008 05:51:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752457AbYAHKvb (ORCPT ); Tue, 8 Jan 2008 05:51:31 -0500 Received: from mga02.intel.com ([134.134.136.20]:56420 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752439AbYAHKva (ORCPT ); Tue, 8 Jan 2008 05:51:30 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.24,257,1196668800"; d="scan'208";a="318486395" Date: Tue, 8 Jan 2008 11:49:52 +0100 From: Markus Metzger To: ak@suse.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de Cc: markus.t.metzger@intel.com, markus.t.metzger@gmail.com, suresh.b.siddha@intel.com, roland@redhat.com, akpm@linux-foundation.org, mtk.manpages@gmail.com Subject: [patch 1/2] x86, ptrace: add bts_struct size to status command Message-ID: <20080108114952.A3352@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: 2321 Lines: 69 Return the size of bts_struct in the PTRACE_BTS_STATUS command. Change types to u32. Signed-off-by: Markus Metzger --- Index: linux-2.6-x86/arch/x86/kernel/ptrace.c =================================================================== --- linux-2.6-x86.orig/arch/x86/kernel/ptrace.c 2008-01-07 12:42:39.%N +0100 +++ linux-2.6-x86/arch/x86/kernel/ptrace.c 2008-01-08 11:18:35.%N +0100 @@ -787,6 +787,8 @@ cfg.flags |= PTRACE_BTS_O_SCHED; } + cfg.bts_size = sizeof(struct bts_struct); + if (copy_to_user(ucfg, &cfg, sizeof(cfg))) return -EFAULT; Index: linux-2.6-x86/include/asm-x86/ptrace-abi.h =================================================================== --- linux-2.6-x86.orig/include/asm-x86/ptrace-abi.h 2008-01-07 12:42:39.%N +0100 +++ linux-2.6-x86/include/asm-x86/ptrace-abi.h 2008-01-08 11:42:55.%N +0100 @@ -81,16 +81,21 @@ #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ #ifndef __ASSEMBLY__ + +#include + /* configuration/status structure used in PTRACE_BTS_CONFIG and PTRACE_BTS_STATUS commands. */ struct ptrace_bts_config { /* requested or actual size of BTS buffer in bytes */ - unsigned int size; + u32 size; /* bitmask of below flags */ - unsigned int flags; + u32 flags; /* buffer overflow signal */ - unsigned int signal; + u32 signal; + /* actual size of bts_struct in bytes */ + u32 bts_size; }; #endif --------------------------------------------------------------------- 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/