Re: [PATCH] PCI: create device, function symlinks in /sys/bus/pci/slots/N/

[Alex Chiang <achiang@hp.com>]

* H. Peter Anvin <hpa@zytor.com>:
> 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.

Good point, I'll remove 'device'.

Thanks.

/ac