Re: [PATCH] [RFC]Watchdog:core: constant pinging until userspacetimesout when delay very less

[anish singh]

On Fri, Jun 28, 2013 at 1:01 AM, Wim Van Sebroeck <wim@xxxxxxxxx> wrote:
> Hi Anish,
>
>> Certain watchdog drivers use a timer to keep kicking the watchdog at
>> a rate of 0.5s (HZ/2) untill userspace times out.They do this as
>> we can't guarantee that watchdog will be pinged fast enough
>> for all system loads, especially if timeout is configured for
>> less than or equal to 1 second(basically small values).
>>
>> As suggested by Wim Van Sebroeck & Guenter Roeck we should
>> add this functionality of individual watchdog drivers in the core
>> watchdog core.
>
> Have you considered the effect this change has on all watchdog drivers
> that don't need a timer?
No,I will drop this patch.
>
> Kind regards,
> Wim.
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/