diff options
Diffstat (limited to 'arch/s390/kernel/nmi.c')
| -rw-r--r-- | arch/s390/kernel/nmi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 31d03a84126c..15e28eefe7e9 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/hardirq.h> +#include <linux/kprobes.h> #include <linux/time.h> #include <linux/module.h> #include <linux/sched/signal.h> @@ -38,12 +39,13 @@ struct mcck_struct { static DEFINE_PER_CPU(struct mcck_struct, cpu_mcck); -static void s390_handle_damage(void) +static notrace void s390_handle_damage(void) { - smp_send_stop(); + smp_emergency_stop(); disabled_wait((unsigned long) __builtin_return_address(0)); while (1); } +NOKPROBE_SYMBOL(s390_handle_damage); /* * Main machine check handler function. Will be called with interrupts enabled @@ -275,6 +277,7 @@ static int notrace s390_validate_registers(union mci mci, int umode) return kill_task; } +NOKPROBE_SYMBOL(s390_validate_registers); /* * Backup the guest's machine check info to its description block @@ -300,6 +303,7 @@ static void notrace s390_backup_mcck_info(struct pt_regs *regs) mcck_backup->failing_storage_address = S390_lowcore.failing_storage_address; } +NOKPROBE_SYMBOL(s390_backup_mcck_info); #define MAX_IPD_COUNT 29 #define MAX_IPD_TIME (5 * 60 * USEC_PER_SEC) /* 5 minutes */ @@ -443,6 +447,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs) clear_cpu_flag(CIF_MCCK_GUEST); nmi_exit(); } +NOKPROBE_SYMBOL(s390_do_machine_check); static int __init machine_check_init(void) { |