Re: Boot time and 3 sec in warning_print

[Jan Beulich <jbeulich@xxxxxxxx>]

On 15.02.2021 09:13, Jürgen Groß wrote:
> On 15.02.21 08:37, Anders Törnqvist wrote:
>> I would like to shorten the boot time in our system if possible.
>>
>> In xen/common/warning.c there is warning_print() which contains a 3 
>> seconds loop that calls  process_pending_softirqs().
>>
>> What would the potential problems be if that loop is radically shortened?
> 
> A user might not notice the warning(s) printed.
> 
> But I can see your point. I think adding a boot option for setting
> another timeout value (e.g. 0) would do the job without compromising
> the default case.

I don't think I agree - the solution to this is to eliminate the
reason leading to the warning. The delay is intentionally this way
to annoy the admin and force them to take measures.

Jan