diff options
author | Paul Mackerras <paulus@samba.org> | 2008-03-13 15:26:33 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-03-13 15:26:33 +1100 |
commit | bed04a4413376265746053be2a9cfbfc80c98ec9 (patch) | |
tree | 8f582294a655f70496cd08aedeb86de31dbad140 /include/linux/time.h | |
parent | e37c772e36a7943b2e0bd8f48312e78474c0df15 (diff) | |
parent | c463be3520065ef8c05e3cbdf946c69604e91ceb (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'include/linux/time.h')
-rw-r--r-- | include/linux/time.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index 2091a19f165..d32ef0ad4c0 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -174,6 +174,10 @@ static inline void timespec_add_ns(struct timespec *a, u64 ns) { ns += a->tv_nsec; while(unlikely(ns >= NSEC_PER_SEC)) { + /* The following asm() prevents the compiler from + * optimising this loop into a modulo operation. */ + asm("" : "+r"(ns)); + ns -= NSEC_PER_SEC; a->tv_sec++; } |