On Mon, Aug 21, 2017 at 01:10:34PM -0700, Cong Wang wrote:
> On Fri, Aug 18, 2017 at 11:44 AM, Vallish Vaidyeshwara
> wrote:
> > - *timeo_p = schedule_timeout(*timeo_p);
> > + /* Wait using highres timer */
> > + expires = ktime_add_ns(ktime_get(), jiffies_to_nsecs(*timeo_p));
>
On Fri, Aug 18, 2017 at 11:44 AM, Vallish Vaidyeshwara
wrote:
> - *timeo_p = schedule_timeout(*timeo_p);
> + /* Wait using highres timer */
> + expires = ktime_add_ns(ktime_get(), jiffies_to_nsecs(*timeo_p));
> + pre_sched_time = jiffies;
> + if (schedule_hrtimeout(&e
Enable high resolution timer mode to time SO_RCVTIMEO value used with
setsockopt(2) on AF_UNIX and AF_INET datagram sockets. By default,
SO_RCVTIMEO uses low resolution timer which is good for most of socket
use cases.
Background:
Kernel timer wheel was refactored in 4.8 to avoid drawbacks with pr
