This allows modules to access the value of timekeeping_suspended without
giving them write access to the variable.
Signed-off-by: Will McVicker <willmcvicker@xxxxxxxxxx>
---
include/linux/timekeeping.h | 1 +
kernel/time/timekeeping.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 78a98bdff76d..cdc84421d77b 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -8,6 +8,7 @@
/* Included from linux/ktime.h */
void timekeeping_init(void);
+extern bool timekeeping_is_suspended(void);
extern int timekeeping_suspended;
/* Architecture timer tick functions: */
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index b348749a9fc6..27873c052e57 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -57,6 +57,17 @@ static struct timekeeper shadow_timekeeper;
/* flag for if timekeeping is suspended */
int __read_mostly timekeeping_suspended;
+/**
+ * timekeeping_is_suspended - query for timekeeping_suspended
+ *
+ * Returns the true/false based on the value of timekeeping_suspened.
+ */
+bool timekeeping_is_suspended(void)
+{
+ return timekeeping_suspended ? true : false;
+}
+EXPORT_SYMBOL_GPL(timekeeping_is_suspended);
+
/**
* struct tk_fast - NMI safe timekeeper
* @seq: Sequence counter for protecting updates. The lowest bit
--
2.33.0.685.g46640cef36-goog
