From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932150AbVK1SFK (ORCPT ); Mon, 28 Nov 2005 13:05:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932148AbVK1SFK (ORCPT ); Mon, 28 Nov 2005 13:05:10 -0500 Received: from 58x158x20x104.ap58.ftth.ucom.ne.jp ([58.158.20.104]:37557 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S932153AbVK1SFI (ORCPT ); Mon, 28 Nov 2005 13:05:08 -0500 Subject: [PATCH 2/4] stack overflow safe kdump (i386) - crash From: Fernando Luis Vazquez Cao To: "Eric W. Biederman" Cc: linux-kernel@vger.kernel.org, fastboot@lists.osdl.org Content-Type: text/plain Organization: =?UTF-8?Q?NTT=E3=83=87=E3=83=BC=E3=82=BF=E5=85=88=E7=AB=AF=E6=8A=80?= =?UTF-8?Q?=E8=A1=93=E6=A0=AA=E5=BC=8F=E4=BC=9A=E7=A4=BE?= Date: Tue, 29 Nov 2005 03:00:42 +0900 Message-Id: <1133200842.2425.101.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.4.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Replace smp_processor_id with the stack overflow safe safe_smp_processor_id in the reboot patch to the crash capture kernel. --- diff -urNp linux-2.6.15-rc2/arch/i386/kernel/crash.c linux-2.6.15-rc2-sov/arch/i386/kernel/crash.c --- linux-2.6.15-rc2/arch/i386/kernel/crash.c 2005-10-28 09:02:08.000000000 +0900 +++ linux-2.6.15-rc2-sov/arch/i386/kernel/crash.c 2005-11-29 01:56:13.000000000 +0900 @@ -120,7 +120,7 @@ static void crash_save_self(struct pt_re struct pt_regs regs; int cpu; - cpu = smp_processor_id(); + cpu = safe_smp_processor_id(); if (saved_regs) crash_setup_regs(®s, saved_regs); else @@ -211,7 +211,7 @@ void machine_crash_shutdown(struct pt_re local_irq_disable(); /* Make a note of crashing cpu. Will be used in NMI callback.*/ - crashing_cpu = smp_processor_id(); + crashing_cpu = safe_smp_processor_id(); nmi_shootdown_cpus(); lapic_shutdown(); #if defined(CONFIG_X86_IO_APIC)