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-rw-r--r--arch/s390/kernel/debug.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 79f8ae933520..530226b6cb19 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -20,7 +20,7 @@
#include <linux/string.h>
#include <linux/sysctl.h>
#include <linux/uaccess.h>
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/debugfs.h>
@@ -866,7 +866,7 @@ static inline void
debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level,
int exception)
{
- active->id.stck = get_tod_clock_fast();
+ active->id.stck = get_tod_clock_fast() - sched_clock_base_cc;
active->id.fields.cpuid = smp_processor_id();
active->caller = __builtin_return_address(0);
active->id.fields.exception = exception;
@@ -1455,23 +1455,24 @@ int
debug_dflt_header_fn(debug_info_t * id, struct debug_view *view,
int area, debug_entry_t * entry, char *out_buf)
{
- struct timespec64 time_spec;
+ unsigned long sec, usec;
char *except_str;
unsigned long caller;
int rc = 0;
unsigned int level;
level = entry->id.fields.level;
- stck_to_timespec64(entry->id.stck, &time_spec);
+ sec = (entry->id.stck >> 12) + (sched_clock_base_cc >> 12);
+ sec = sec - (TOD_UNIX_EPOCH >> 12);
+ usec = do_div(sec, USEC_PER_SEC);
if (entry->id.fields.exception)
except_str = "*";
else
except_str = "-";
caller = (unsigned long) entry->caller;
- rc += sprintf(out_buf, "%02i %011lld:%06lu %1u %1s %02i %p ",
- area, (long long)time_spec.tv_sec,
- time_spec.tv_nsec / 1000, level, except_str,
+ rc += sprintf(out_buf, "%02i %011ld:%06lu %1u %1s %02i %p ",
+ area, sec, usec, level, except_str,
entry->id.fields.cpuid, (void *)caller);
return rc;
}