Messages in this thread | | | From | Rodolfo Giometti <> | Date | Sat, 4 Mar 2017 08:44:03 +0100 | Subject | Re: [PATCH 8/8] LinuxPPS: pps_gen_parport: Add check for bad clocksource. |
| |
On 02/15/17 15:31, Andrey Drobyshev wrote: > From: Nikita Edward Baruzdin <nebaruzdin@gmail.com> > > This commit is supposed to resolve the issue with hard lockups on systems using > jiffies as their clock source. Namely, it sets limits on number of iterations > clock source may remain unchanged (i. e. not being updated for one reason or > another, as it is with jiffies clock source), and on unsuccessful > getnstimeofday() polls as well. In case limit is reached, we consider clock > source incompatible with this driver or unstable. > > Considering this issue to be fixed, un-BROKEN pps_gen_parport. > > For explanation of the problem see this thread on lkml: > https://lkml.org/lkml/2011/2/18/310 > > Signed-off-by: Nikita Edward Baruzdin <nebaruzdin@lvk.cs.msu.su> > Signed-off-by: Alexander GQ Gerasiov <gq@cs.msu.su>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
| |