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-rw-r--r--kernel/sched.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 42eab5a8437d..7ddccfdad829 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8078,13 +8078,24 @@ static inline int preempt_count_equals(int preempt_offset)
return (nested == PREEMPT_INATOMIC_BASE + preempt_offset);
}
+static int __might_sleep_init_called;
+int __init __might_sleep_init(void)
+{
+ __might_sleep_init_called = 1;
+ return 0;
+}
+early_initcall(__might_sleep_init);
+
void __might_sleep(const char *file, int line, int preempt_offset)
{
#ifdef in_atomic
static unsigned long prev_jiffy; /* ratelimiting */
if ((preempt_count_equals(preempt_offset) && !irqs_disabled()) ||
- system_state != SYSTEM_RUNNING || oops_in_progress)
+ oops_in_progress)
+ return;
+ if (system_state != SYSTEM_RUNNING &&
+ (!__might_sleep_init_called || system_state != SYSTEM_BOOTING))
return;
if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
return;