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authorEric Dumazet <edumazet@google.com>2018-07-11 11:16:41 -0700
committerThomas Gleixner <tglx@linutronix.de>2018-07-12 21:35:28 +0200
commita8802d97e73346bc81609df9dfba7d3306f40d87 (patch)
treede8f2bc033a598a1d4a609bdb445a8c70407a909
parent7a6e55375d5c584c7c11cfdcaa8ad9d6cccb419d (diff)
downloadlinux-a8802d97e73346bc81609df9dfba7d3306f40d87.tar.bz2
ktime: Provide typesafe ktime_to_ns()
Using ktime_to_ns() is nice to help backports to stable kernels. Having a typesafe function instead of a macro avoid stupid typos and waste of time tracking these typos. Reported-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lkml.kernel.org/r/20180711181641.10369-1-edumazet@google.com
-rw-r--r--include/linux/ktime.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 5b9fddbaac41..b2bb44f87f5a 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -93,8 +93,11 @@ static inline ktime_t timeval_to_ktime(struct timeval tv)
/* Map the ktime_t to timeval conversion to ns_to_timeval function */
#define ktime_to_timeval(kt) ns_to_timeval((kt))
-/* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
-#define ktime_to_ns(kt) (kt)
+/* Convert ktime_t to nanoseconds */
+static inline s64 ktime_to_ns(const ktime_t kt)
+{
+ return kt;
+}
/**
* ktime_compare - Compares two ktime_t variables for less, greater or equal