diff options
Diffstat (limited to 'arch/i386/kernel/traps.c')
| -rw-r--r-- | arch/i386/kernel/traps.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 207ea8ba7169..e458463ebc05 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -27,6 +27,7 @@ #include <linux/ptrace.h> #include <linux/utsname.h> #include <linux/kprobes.h> +#include <linux/kexec.h> #ifdef CONFIG_EISA #include <linux/ioport.h> @@ -294,6 +295,9 @@ bug: printk("Kernel BUG\n"); } +/* This is gone through when something in the kernel + * has done something bad and is about to be terminated. +*/ void die(const char * str, struct pt_regs * regs, long err) { static struct { @@ -341,6 +345,10 @@ void die(const char * str, struct pt_regs * regs, long err) bust_spinlocks(0); die.lock_owner = -1; spin_unlock_irq(&die.lock); + + if (kexec_should_crash(current)) + crash_kexec(regs); + if (in_interrupt()) panic("Fatal exception in interrupt"); @@ -570,6 +578,15 @@ void die_nmi (struct pt_regs *regs, const char *msg) console_silent(); spin_unlock(&nmi_print_lock); bust_spinlocks(0); + + /* If we are in kernel we are probably nested up pretty bad + * and might aswell get out now while we still can. + */ + if (!user_mode(regs)) { + current->thread.trap_no = 2; + crash_kexec(regs); + } + do_exit(SIGSEGV); } |