On Fri, Aug 16, 2019 at 10:49:35AM +0800, Ming Lei wrote: > On Thu, Aug 15, 2019 at 11:10:35PM +0000, Ray, Mark C (Global Solutions Engineering (GSE)) wrote: > > Hi Ming, > > > > In the customer case, the cpu_list file was not needed. It was just part of a SAP Hana script to collect all the block device data (similar to sosreport). So they were just dumping everything, and it picks up the mq-related files. > > > > I know with IRQs, we have bitmaps/mask, and can represent the list such as "0-27", without listing every CPU. I'm sure there's lots of options to address this, and getting rid of the cpu_list is one of them. > > Indeed, same with several attributes under /sys/devices/system/cpu/, > actually we can use cpumap_print_to_pagebuf() to print the CPUs. And that is changing the format of the file, which means it is obvious no one is using it, so just please delete the thing. thanks, greg k-h
