From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751287AbWGJHyJ (ORCPT ); Mon, 10 Jul 2006 03:54:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751298AbWGJHyJ (ORCPT ); Mon, 10 Jul 2006 03:54:09 -0400 Received: from ns.oss.ntt.co.jp ([222.151.198.98]:62441 "EHLO serv1.oss.ntt.co.jp") by vger.kernel.org with ESMTP id S1751287AbWGJHyI (ORCPT ); Mon, 10 Jul 2006 03:54:08 -0400 Subject: [PATCH 3/3] stack overflow safe kdump (2.6.18-rc1-i386) - ipi_use_safe_smp_processor_id From: Fernando Luis =?ISO-8859-1?Q?V=E1zquez?= Cao To: vgoyal@in.ibm.com Cc: "Eric W. Biederman" , akpm@osdl.org, ak@suse.de, James.Bottomley@steeleye.com, linux-kernel@vger.kernel.org, fastboot@lists.osdl.org Content-Type: text/plain Organization: =?UTF-8?Q?NTT=E3=82=AA=E3=83=BC=E3=83=97=E3=83=B3=E3=82=BD=E3=83=BC?= =?UTF-8?Q?=E3=82=B9=E3=82=BD=E3=83=95=E3=83=88=E3=82=A6=E3=82=A7?= =?UTF-8?Q?=E3=82=A2=E3=82=BB=E3=83=B3=E3=82=BF?= Date: Mon, 10 Jul 2006 16:54:01 +0900 Message-Id: <1152518041.2120.112.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Substitute "smp_processor_id" with the stack overflow-safe "safe_smp_processor_id" in the send IPI functions, since they are used after a crash to shutdown CPUs. Signed-off-by: Fernando Vazquez --- diff -urNp linux-2.6.18-rc1/include/asm-i386/mach-bigsmp/mach_ipi.h linux-2.6.18-rc1-sof/include/asm-i386/mach-bigsmp/mach_ipi.h --- linux-2.6.18-rc1/include/asm-i386/mach-bigsmp/mach_ipi.h 2006-06-18 10:49:35.000000000 +0900 +++ linux-2.6.18-rc1-sof/include/asm-i386/mach-bigsmp/mach_ipi.h 2006-07-10 16:13:33.000000000 +0900 @@ -11,7 +11,7 @@ static inline void send_IPI_mask(cpumask static inline void send_IPI_allbutself(int vector) { cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + cpu_clear(safe_smp_processor_id(), mask); if (!cpus_empty(mask)) send_IPI_mask(mask, vector); diff -urNp linux-2.6.18-rc1/include/asm-i386/mach-default/mach_ipi.h linux-2.6.18-rc1-sof/include/asm-i386/mach-default/mach_ipi.h --- linux-2.6.18-rc1/include/asm-i386/mach-default/mach_ipi.h 2006-07-10 11:00:05.000000000 +0900 +++ linux-2.6.18-rc1-sof/include/asm-i386/mach-default/mach_ipi.h 2006-07-10 16:14:15.000000000 +0900 @@ -19,7 +19,7 @@ static inline void __local_send_IPI_allb if (no_broadcast || vector == NMI_VECTOR) { cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + cpu_clear(safe_smp_processor_id(), mask); send_IPI_mask(mask, vector); } else __send_IPI_shortcut(APIC_DEST_ALLBUT, vector); diff -urNp linux-2.6.18-rc1/include/asm-i386/mach-es7000/mach_ipi.h linux-2.6.18-rc1-sof/include/asm-i386/mach-es7000/mach_ipi.h --- linux-2.6.18-rc1/include/asm-i386/mach-es7000/mach_ipi.h 2006-06-18 10:49:35.000000000 +0900 +++ linux-2.6.18-rc1-sof/include/asm-i386/mach-es7000/mach_ipi.h 2006-07-10 16:14:51.000000000 +0900 @@ -11,7 +11,7 @@ static inline void send_IPI_mask(cpumask static inline void send_IPI_allbutself(int vector) { cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + cpu_clear(safe_smp_processor_id(), mask); if (!cpus_empty(mask)) send_IPI_mask(mask, vector); } diff -urNp linux-2.6.18-rc1/include/asm-i386/mach-numaq/mach_ipi.h linux-2.6.18-rc1-sof/include/asm-i386/mach-numaq/mach_ipi.h --- linux-2.6.18-rc1/include/asm-i386/mach-numaq/mach_ipi.h 2006-06-18 10:49:35.000000000 +0900 +++ linux-2.6.18-rc1-sof/include/asm-i386/mach-numaq/mach_ipi.h 2006-07-10 16:15:26.000000000 +0900 @@ -11,7 +11,7 @@ static inline void send_IPI_mask(cpumask static inline void send_IPI_allbutself(int vector) { cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + cpu_clear(safe_smp_processor_id(), mask); if (!cpus_empty(mask)) send_IPI_mask(mask, vector); diff -urNp linux-2.6.18-rc1/include/asm-i386/mach-summit/mach_ipi.h linux-2.6.18-rc1-sof/include/asm-i386/mach-summit/mach_ipi.h --- linux-2.6.18-rc1/include/asm-i386/mach-summit/mach_ipi.h 2006-06-18 10:49:35.000000000 +0900 +++ linux-2.6.18-rc1-sof/include/asm-i386/mach-summit/mach_ipi.h 2006-07-10 16:16:06.000000000 +0900 @@ -11,7 +11,7 @@ static inline void send_IPI_mask(cpumask static inline void send_IPI_allbutself(int vector) { cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + cpu_clear(safe_smp_processor_id(), mask); if (!cpus_empty(mask)) send_IPI_mask(mask, vector);