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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
kernel
/
time
/
timekeeping_debug.c
diff --git
a/kernel/kernel/time/timekeeping_debug.c
b/kernel/kernel/time/timekeeping_debug.c
index
f6bd652
..
107310a
100644
(file)
--- a/
kernel/kernel/time/timekeeping_debug.c
+++ b/
kernel/kernel/time/timekeeping_debug.c
@@
-23,7
+23,9
@@
#include "timekeeping_internal.h"
#include "timekeeping_internal.h"
-static unsigned int sleep_time_bin[32] = {0};
+#define NUM_BINS 32
+
+static unsigned int sleep_time_bin[NUM_BINS] = {0};
static int tk_debug_show_sleep_time(struct seq_file *s, void *data)
{
static int tk_debug_show_sleep_time(struct seq_file *s, void *data)
{
@@
-69,6
+71,9
@@
late_initcall(tk_debug_sleep_time_init);
void tk_debug_account_sleep_time(struct timespec64 *t)
{
void tk_debug_account_sleep_time(struct timespec64 *t)
{
- sleep_time_bin[fls(t->tv_sec)]++;
+ /* Cap bin index so we don't overflow the array */
+ int bin = min(fls(t->tv_sec), NUM_BINS-1);
+
+ sleep_time_bin[bin]++;
}
}