udev & modalias files

Bjørn Mork bjorn at mork.no
Fri Jun 3 14:50:05 EDT 2016

Muni Sekhar <munisekharrms at gmail.com> writes:

> I see lot of modalias files under /sys directory.
> For e.g:
> # cat /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0/modalias
> pci:v00001556d00005555sv00004000sd00000000bc08sc05i01
> I would like to know which part of the kernel module creates sysfs
> modalias file?

lots of different places.  Do a "git grep modalias drivers/" to see many
of them. That particular file is created by drivers/pci/pci-sysfs.c


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