On Fri, Jun 21, 2019 at 09:15:50AM -0500, Bjorn Helgaas wrote: > On Fri, Jun 21, 2019 at 09:29:11AM +0200, Greg KH wrote: > > Hi, > > > > When working on some documentation scripts to show the > > Documentation/ABI/ files in an automated way, I ran across this "gem" of > > a sysfs file: Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats > > > > In it you describe how the files > > /sys/bus/pci/devices/<dev>/aer_dev_correctable and > > /sys/bus/pci/devices/<dev>/aer_dev_fatal and > > /sys/bus/pci/devices/<dev>/aer_dev_nonfatal > > all display a bunch of text on multiple lines. > > > > This violates the "one value per sysfs file" rule, and should never have > > been merged as-is :( > > > > Please fix it up to be a lot of individual files if your really need all > > of those different values. > > Sorry about that. Do you think we're safe in changing the sysfs ABI > by removing the original files and replacing them with new, better > ones? I doubt any tool is parsing that monstrosity, so you should be fine :) > This is pretty new and hopefully not widely used yet. Only one way to find out... thanks, greg k-h