diff options
Diffstat (limited to 'kernel/time/jiffies.c')
| -rw-r--r-- | kernel/time/jiffies.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c index 7a925ba4..ca9e1139 100644 --- a/kernel/time/jiffies.c +++ b/kernel/time/jiffies.c @@ -67,7 +67,8 @@ static struct clocksource clocksource_jiffies = { .shift = JIFFIES_SHIFT, }; -__cacheline_aligned_in_smp DEFINE_SEQLOCK(jiffies_lock); +__cacheline_aligned_in_smp DEFINE_RAW_SPINLOCK(jiffies_lock); +__cacheline_aligned_in_smp seqcount_t jiffies_seq; #if (BITS_PER_LONG < 64) u64 get_jiffies_64(void) @@ -76,9 +77,9 @@ u64 get_jiffies_64(void) u64 ret; do { - seq = read_seqbegin(&jiffies_lock); + seq = read_seqcount_begin(&jiffies_seq); ret = jiffies_64; - } while (read_seqretry(&jiffies_lock, seq)); + } while (read_seqcount_retry(&jiffies_seq, seq)); return ret; } EXPORT_SYMBOL(get_jiffies_64); |