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Diffstat (limited to 'include/linux/jiffies.h')
-rw-r--r--include/linux/jiffies.h39
1 files changed, 26 insertions, 13 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 535fd3bb1..9384572f6 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -164,7 +164,11 @@ static inline u64 get_jiffies_64(void)
* Have the 32 bit jiffies value wrap 5 minutes after boot
* so jiffies wrap bugs show up earlier.
*/
+#ifdef CONFIG_SCHED_BFS
+#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-10*HZ))
+#else
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
+#endif
/*
* Change timeval to jiffies, trying to avoid the
@@ -351,7 +355,7 @@ static inline unsigned long _msecs_to_jiffies(const unsigned int m)
* directly here and from __msecs_to_jiffies() in the case where
* constant folding is not possible.
*/
-static inline unsigned long msecs_to_jiffies(const unsigned int m)
+static __always_inline unsigned long msecs_to_jiffies(const unsigned int m)
{
if (__builtin_constant_p(m)) {
if ((int)m < 0)
@@ -363,18 +367,11 @@ static inline unsigned long msecs_to_jiffies(const unsigned int m)
}
extern unsigned long __usecs_to_jiffies(const unsigned int u);
-#if HZ <= USEC_PER_SEC && !(USEC_PER_SEC % HZ)
+#if !(USEC_PER_SEC % HZ)
static inline unsigned long _usecs_to_jiffies(const unsigned int u)
{
return (u + (USEC_PER_SEC / HZ) - 1) / (USEC_PER_SEC / HZ);
}
-#elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC)
-static inline unsigned long _usecs_to_jiffies(const unsigned int u)
-{
- return u * (HZ / USEC_PER_SEC);
-}
-static inline unsigned long _usecs_to_jiffies(const unsigned int u)
-{
#else
static inline unsigned long _usecs_to_jiffies(const unsigned int u)
{
@@ -405,7 +402,7 @@ static inline unsigned long _usecs_to_jiffies(const unsigned int u)
* directly here and from __msecs_to_jiffies() in the case where
* constant folding is not possible.
*/
-static inline unsigned long usecs_to_jiffies(const unsigned int u)
+static __always_inline unsigned long usecs_to_jiffies(const unsigned int u)
{
if (__builtin_constant_p(u)) {
if (u > jiffies_to_usecs(MAX_JIFFY_OFFSET))
@@ -416,9 +413,25 @@ static inline unsigned long usecs_to_jiffies(const unsigned int u)
}
}
-extern unsigned long timespec_to_jiffies(const struct timespec *value);
-extern void jiffies_to_timespec(const unsigned long jiffies,
- struct timespec *value);
+extern unsigned long timespec64_to_jiffies(const struct timespec64 *value);
+extern void jiffies_to_timespec64(const unsigned long jiffies,
+ struct timespec64 *value);
+static inline unsigned long timespec_to_jiffies(const struct timespec *value)
+{
+ struct timespec64 ts = timespec_to_timespec64(*value);
+
+ return timespec64_to_jiffies(&ts);
+}
+
+static inline void jiffies_to_timespec(const unsigned long jiffies,
+ struct timespec *value)
+{
+ struct timespec64 ts;
+
+ jiffies_to_timespec64(jiffies, &ts);
+ *value = timespec64_to_timespec(ts);
+}
+
extern unsigned long timeval_to_jiffies(const struct timeval *value);
extern void jiffies_to_timeval(const unsigned long jiffies,
struct timeval *value);