diff options
Diffstat (limited to 'arch/s390/kernel/traps.c')
| -rw-r--r-- | arch/s390/kernel/traps.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index e8b894184f83..63021d484626 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -79,7 +79,7 @@ void do_per_trap(struct pt_regs *regs) } NOKPROBE_SYMBOL(do_per_trap); -void default_trap_handler(struct pt_regs *regs) +static void default_trap_handler(struct pt_regs *regs) { if (user_mode(regs)) { report_user_fault(regs, SIGSEGV, 0); @@ -404,3 +404,12 @@ static void (*pgm_check_table[128])(struct pt_regs *regs) = { [0x40] = monitor_event_exception, [0x41 ... 0x7f] = default_trap_handler, }; + +#define COND_TRAP(x) asm( \ + ".weak " __stringify(x) "\n\t" \ + ".set " __stringify(x) "," \ + __stringify(default_trap_handler)) + +COND_TRAP(do_secure_storage_access); +COND_TRAP(do_non_secure_storage_access); +COND_TRAP(do_secure_storage_violation); |