[LAU] rtirq: low priority limit

[Fernando Lopez-Lezcano]

Hi Rui (and all),

I'm attaching two small patches that adds a lower priority limit to the 
rtirq script (with a matching configuration variable). This is useful to 
have if you have a limited range of available priority "steps" because, 
for example, a distribution restricts the maximum priority a user is 
allowed to have. With this change you can make sure that the priority of 
all irq processes is higher than the priority of (say) the jackd 
process, no matter how many processes you have. Reasonable defaults are 
chosen if the variable is not configured.

Do you think you could add this to your package?
Thanks,
-- Fernando

PS: how about incorporating my previous "additions" as well in rtirq? 
(ie: irq priority change through udev when a soundcard is inserted and 
remembering priorities between sleep and resume).
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