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-rw-r--r--arch/s390/mm/fault.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 13d8c44bf8ed..31a763e05287 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -165,6 +165,23 @@ static void dump_fault_info(struct pt_regs *regs)
int show_unhandled_signals = 1;
+static const struct ctl_table s390_fault_sysctl_table[] = {
+ {
+ .procname = "userprocess_debug",
+ .data = &show_unhandled_signals,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+};
+
+static int __init init_s390_fault_sysctls(void)
+{
+ register_sysctl_init("kernel", s390_fault_sysctl_table);
+ return 0;
+}
+arch_initcall(init_s390_fault_sysctls);
+
void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault)
{
static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST);