Re: [PATCH 8/8] LinuxPPS: pps_gen_parport: Add check for bad clocksource.

[Rodolfo Giometti]

On 02/15/17 15:31, Andrey Drobyshev wrote:
> From: Nikita Edward Baruzdin <nebaruzdin@xxxxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> Signed-off-by: Alexander GQ Gerasiov <gq@xxxxxxxxx>

Acked-by: Rodolfo Giometti <giometti@xxxxxxxxxxxx>