diff options
Diffstat (limited to 'arch/ia64/kernel/mca.c')
| -rw-r--r-- | arch/ia64/kernel/mca.c | 99 |
1 files changed, 70 insertions, 29 deletions
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 10b48cd..846e7e0 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -2,61 +2,69 @@ * File: mca.c * Purpose: Generic MCA handling layer * - * Updated for latest kernel * Copyright (C) 2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> * * Copyright (C) 2002 Dell Inc. - * Copyright (C) Matt Domsch (Matt_Domsch@dell.com) + * Copyright (C) Matt Domsch <Matt_Domsch@dell.com> * * Copyright (C) 2002 Intel - * Copyright (C) Jenna Hall (jenna.s.hall@intel.com) + * Copyright (C) Jenna Hall <jenna.s.hall@intel.com> * * Copyright (C) 2001 Intel - * Copyright (C) Fred Lewis (frederick.v.lewis@intel.com) + * Copyright (C) Fred Lewis <frederick.v.lewis@intel.com> * * Copyright (C) 2000 Intel - * Copyright (C) Chuck Fleckenstein (cfleck@co.intel.com) + * Copyright (C) Chuck Fleckenstein <cfleck@co.intel.com> * * Copyright (C) 1999, 2004 Silicon Graphics, Inc. - * Copyright (C) Vijay Chander(vijay@engr.sgi.com) + * Copyright (C) Vijay Chander <vijay@engr.sgi.com> * - * 03/04/15 D. Mosberger Added INIT backtrace support. - * 02/03/25 M. Domsch GUID cleanups + * Copyright (C) 2006 FUJITSU LIMITED + * Copyright (C) Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> * - * 02/01/04 J. Hall Aligned MCA stack to 16 bytes, added platform vs. CPU - * error flag, set SAL default return values, changed - * error record structure to linked list, added init call - * to sal_get_state_info_size(). + * 2000-03-29 Chuck Fleckenstein <cfleck@co.intel.com> + * Fixed PAL/SAL update issues, began MCA bug fixes, logging issues, + * added min save state dump, added INIT handler. * - * 01/01/03 F. Lewis Added setup of CMCI and CPEI IRQs, logging of corrected - * platform errors, completed code for logging of - * corrected & uncorrected machine check errors, and - * updated for conformance with Nov. 2000 revision of the - * SAL 3.0 spec. - * 00/03/29 C. Fleckenstein Fixed PAL/SAL update issues, began MCA bug fixes, logging issues, - * added min save state dump, added INIT handler. + * 2001-01-03 Fred Lewis <frederick.v.lewis@intel.com> + * Added setup of CMCI and CPEI IRQs, logging of corrected platform + * errors, completed code for logging of corrected & uncorrected + * machine check errors, and updated for conformance with Nov. 2000 + * revision of the SAL 3.0 spec. + * + * 2002-01-04 Jenna Hall <jenna.s.hall@intel.com> + * Aligned MCA stack to 16 bytes, added platform vs. CPU error flag, + * set SAL default return values, changed error record structure to + * linked list, added init call to sal_get_state_info_size(). + * + * 2002-03-25 Matt Domsch <Matt_Domsch@dell.com> + * GUID cleanups. + * + * 2003-04-15 David Mosberger-Tang <davidm@hpl.hp.com> + * Added INIT backtrace support. * * 2003-12-08 Keith Owens <kaos@sgi.com> - * smp_call_function() must not be called from interrupt context (can - * deadlock on tasklist_lock). Use keventd to call smp_call_function(). + * smp_call_function() must not be called from interrupt context + * (can deadlock on tasklist_lock). + * Use keventd to call smp_call_function(). * * 2004-02-01 Keith Owens <kaos@sgi.com> - * Avoid deadlock when using printk() for MCA and INIT records. - * Delete all record printing code, moved to salinfo_decode in user space. - * Mark variables and functions static where possible. - * Delete dead variables and functions. - * Reorder to remove the need for forward declarations and to consolidate - * related code. + * Avoid deadlock when using printk() for MCA and INIT records. + * Delete all record printing code, moved to salinfo_decode in user + * space. Mark variables and functions static where possible. + * Delete dead variables and functions. Reorder to remove the need + * for forward declarations and to consolidate related code. * * 2005-08-12 Keith Owens <kaos@sgi.com> - * Convert MCA/INIT handlers to use per event stacks and SAL/OS state. + * Convert MCA/INIT handlers to use per event stacks and SAL/OS + * state. * * 2005-10-07 Keith Owens <kaos@sgi.com> * Add notify_die() hooks. * * 2006-09-15 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> - * Add printing support for MCA/INIT. + * Add printing support for MCA/INIT. * * 2007-04-27 Russ Anderson <rja@sgi.com> * Support multiple cpus going through OS_MCA in the same event. @@ -75,6 +83,7 @@ #include <linux/workqueue.h> #include <linux/cpumask.h> #include <linux/kdebug.h> +#include <linux/cpu.h> #include <asm/delay.h> #include <asm/machvec.h> @@ -1813,6 +1822,36 @@ ia64_mca_cpu_init(void *cpu_data) PAGE_KERNEL)); } +static void __cpuinit ia64_mca_cmc_vector_adjust(void *dummy) +{ + unsigned long flags; + + local_irq_save(flags); + if (!cmc_polling_enabled) + ia64_mca_cmc_vector_enable(NULL); + local_irq_restore(flags); +} + +static int __cpuinit mca_cpu_callback(struct notifier_block *nfb, + unsigned long action, + void *hcpu) +{ + int hotcpu = (unsigned long) hcpu; + + switch (action) { + case CPU_ONLINE: + case CPU_ONLINE_FROZEN: + smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust, + NULL, 1, 0); + break; + } + return NOTIFY_OK; +} + +static struct notifier_block mca_cpu_notifier __cpuinitdata = { + .notifier_call = mca_cpu_callback +}; + /* * ia64_mca_init * @@ -1996,6 +2035,8 @@ ia64_mca_late_init(void) if (!mca_init) return 0; + register_hotcpu_notifier(&mca_cpu_notifier); + /* Setup the CMCI/P vector and handler */ init_timer(&cmc_poll_timer); cmc_poll_timer.function = ia64_mca_cmc_poll; |
