diff options
Diffstat (limited to 'drivers/cpuidle/governors/haltpoll.c')
| -rw-r--r-- | drivers/cpuidle/governors/haltpoll.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/cpuidle/governors/haltpoll.c b/drivers/cpuidle/governors/haltpoll.c index 1dff3a5291..663b7f164d 100644 --- a/drivers/cpuidle/governors/haltpoll.c +++ b/drivers/cpuidle/governors/haltpoll.c @@ -98,10 +98,15 @@ static void adjust_poll_limit(struct cpuidle_device *dev, u64 block_ns) unsigned int shrink = guest_halt_poll_shrink; val = dev->poll_limit_ns; - if (shrink == 0) + if (shrink == 0) { val = 0; - else + } else { val /= shrink; + /* Reset value to 0 if shrunk below grow_start */ + if (val < guest_halt_poll_grow_start) + val = 0; + } + trace_guest_halt_poll_ns_shrink(val, dev->poll_limit_ns); dev->poll_limit_ns = val; } |