Messages in this thread Patch in this message | | | Date | Fri, 15 Aug 2008 21:41:47 -0600 | From | jmerkey@wolfmoun ... | Subject | [PATCH 2.6.27-rc3 19/28] mdb: adding notify_die handler for keyboard debugger entry |
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added module support for keyboard debugger entry point and notify_die entry point.
Signed-off-by: Jeffrey Vernon Merkey (jmerkey@wolfmountaingroup.com)
--- a/drivers/char/keyboard.c 2008-08-15 21:26:13.000000000 -0600 +++ b/drivers/char/keyboard.c 2008-08-15 15:41:57.000000000 -0600 @@ -44,6 +44,10 @@ #include <linux/notifier.h> #include <linux/jiffies.h> +#if defined(CONFIG_MDB) || defined(CONFIG_MDB_MODULE) +#include <linux/kdebug.h> +#endif + extern void ctrl_alt_del(void); #define to_handle_h(n) container_of(n, struct input_handle, h_node) @@ -1180,6 +1184,15 @@ if (keycode < BTN_MISC && printk_ratelimit()) printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode); +#if defined(CONFIG_MDB) || defined(CONFIG_MDB_MODULE) + if (down && !rep && keycode == KEY_PAUSE) + { + if (notify_die(DIE_KERNELDEBUG, NULL, get_irq_regs(), + 0, -1, SIGINT) == NOTIFY_STOP) + return; + } +#endif + #ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */ if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) { if (!sysrq_down) {
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