At linux.conf.au Keith and I were looking into devfs module loading issues.
We noticed that the distribution he was running (some RPM distribution) had a
lot of scripts with code like the following:
for n in /dev/dsp* ; do
...
done
This results in `modprobe "/dev/dsp*"` being run once for the for line and
then a second time in the body of the loop.
We discovered that a significant number of useless modprobe runs were removed
when we added the following to devfsd.conf:
LOOKUP \*$ IGNORE
Before the following line in the default config:
LOOKUP .* MODLOAD
I think that this should be part of the default config file.
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