diff options
Diffstat (limited to 'old/xenolinux-2.4.16-sparse/kernel/panic.c')
-rw-r--r-- | old/xenolinux-2.4.16-sparse/kernel/panic.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/old/xenolinux-2.4.16-sparse/kernel/panic.c b/old/xenolinux-2.4.16-sparse/kernel/panic.c deleted file mode 100644 index 8a7237f979..0000000000 --- a/old/xenolinux-2.4.16-sparse/kernel/panic.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * linux/kernel/panic.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * This function is used through-out the kernel (including mm and fs) - * to indicate a major problem. - */ -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/notifier.h> -#include <linux/init.h> -#include <linux/sysrq.h> -#include <linux/interrupt.h> - -asmlinkage void sys_sync(void); /* it's really int */ - -int panic_timeout; - -struct notifier_block *panic_notifier_list; - -static int __init panic_setup(char *str) -{ - panic_timeout = simple_strtoul(str, NULL, 0); - return 1; -} - -__setup("panic=", panic_setup); - -/** - * panic - halt the system - * @fmt: The text string to print - * - * Display a message, then perform cleanups. Functions in the panic - * notifier list are called after the filesystem cache is flushed (when possible). - * - * This function never returns. - */ - -NORET_TYPE void panic(const char * fmt, ...) -{ - static char buf[1024]; - va_list args; -#if defined(CONFIG_ARCH_S390) - unsigned long caller = (unsigned long) __builtin_return_address(0); -#endif - - bust_spinlocks(1); - va_start(args, fmt); - vsprintf(buf, fmt, args); - va_end(args); - printk(KERN_EMERG "Kernel panic: %s\n",buf); - if (in_interrupt()) - printk(KERN_EMERG "In interrupt handler - not syncing\n"); - else if (!current->pid) - printk(KERN_EMERG "In idle task - not syncing\n"); - else - sys_sync(); - bust_spinlocks(0); - -#ifdef CONFIG_SMP - smp_send_stop(); -#endif - - notifier_call_chain(&panic_notifier_list, 0, NULL); - - if (panic_timeout > 0) - { - /* - * Delay timeout seconds before rebooting the machine. - * We can't use the "normal" timers since we just panicked.. - */ - printk(KERN_EMERG "Rebooting in %d seconds..",panic_timeout); - mdelay(panic_timeout*1000); - /* - * Should we run the reboot notifier. For the moment Im - * choosing not too. It might crash, be corrupt or do - * more harm than good for other reasons. - */ - machine_restart(NULL); - } -#ifdef __sparc__ - { - extern int stop_a_enabled; - /* Make sure the user can actually press L1-A */ - stop_a_enabled = 1; - printk("Press L1-A to return to the boot prom\n"); - } -#endif -#if defined(CONFIG_ARCH_S390) - disabled_wait(caller); -#endif - sti(); - for(;;) { - CHECK_EMERGENCY_SYNC -#if defined(CONFIG_XENO) - HYPERVISOR_exit(); -#endif - } -} - -/** - * print_tainted - return a string to represent the kernel taint state. - * - * The string is overwritten by the next call to print_taint(). - */ - -const char *print_tainted() -{ - static char buf[20]; - if (tainted) { - snprintf(buf, sizeof(buf), "Tainted: %c%c", - tainted & 1 ? 'P' : 'G', - tainted & 2 ? 'F' : ' '); - } - else - snprintf(buf, sizeof(buf), "Not tainted"); - return(buf); -} - -int tainted = 0; |