Alex Chiang wrote:
Create convenience symlinks in sysfs, linking slots to devices and functions, and vice versa. These links make it easier for users to figure out which devices actually live in what slots. The device symlink points to the device's first function. For example: sapphire:/sys/bus/pci/slots # ls 1 10 2 3 4 5 6 7 8 9 sapphire:/sys/bus/pci/slots # ls -l 3 total 0 -r--r--r-- 1 root root 65536 Aug 18 14:10 address lrwxrwxrwx 1 root root 0 Aug 18 14:10 device -> ../../../../devices/pci0000:23/0000:23:01.0 lrwxrwxrwx 1 root root 0 Aug 18 14:10 function0 -> ../../../../devices/pci0000:23/0000:23:01.0 lrwxrwxrwx 1 root root 0 Aug 18 14:10 function1 -> ../../../../devices/pci0000:23/0000:23:01.1
What's the point with "device" and "function0"? They appear to be the same thing by definition.
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