[RFC PATCH] watchdog: base rate-limiting on get_ticks() rather than get_timer()

Rasmus Villemoes rasmus.villemoes at prevas.dk
Fri Jun 5 14:11:00 CEST 2020


On 05/06/2020 13.48, Stefan Roese wrote:
> On 05.06.20 13:16, Rasmus Villemoes wrote:
>> This is what I had in mind. I also considered making it a config knob
>> (possibly just auto-selected based on $ARCH) whether to use
>> get_timer() or get_ticks(), but that becomes quite ugly.
> 
> I hesitate a bit, moving with this generic code from get_timer()
> to get_ticks() for all boards. Did you test this patch on other
> platforms, like some ARM boards?
> 
> Please note that I don't reject it - just asking.

Yeah, I'm not really too happy about it myself, exactly because it
affects all arches/platforms. And no, I don't have other hardware handy
unfortunately. So it's very much an RFC where I hope someone with
knowledge of the various arches can say whether one can expect
get_ticks() to be at least as widely available as get_timer().

Rasmus


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