On Tue, Dec 10, 2019 at 02:33:07PM +0100, Thomas Renninger wrote: > On Monday, December 9, 2019 6:38:05 PM CET Will Deacon wrote: > > On Mon, Dec 09, 2019 at 12:28:44PM +0100, Thomas Renninger wrote: > > > On Monday, December 9, 2019 11:31:11 AM CET Will Deacon wrote: > > > > On Fri, Dec 06, 2019 at 05:24:21PM +0100, Thomas Renninger wrote: > > > > > From: Felix Schnizlein <fschnizlein@xxxxxxx> > > > > > > > > > > Export all information from /proc/cpuinfo to sysfs: > > > > > implementer, architecture, variant, part, revision, > > > > > bogomips and flags are exported. > > > > > > > > > > Example: > > > > > /sys/devices/system/cpu/cpu1/info/:[0]# head * > > > > > > ... > > > > > > > > ==> flags <== > > > > > fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid asimdrdm > > > > > > ... > > > > > > > I don't understand why we need this on arm64 > > Again: proc is moving to sys. No. New stuff is to be added to /sys/, don't add new things to /proc unless it deals with processes. There is no mass-migration of existing /proc files to sysfs for no good reason. > You probably export feature flags in /proc/cpuinfo for a good reason. > So where in sysfs should this show up? Why does it have to live in sysfs if it is already in /proc and parsed properly by tools? thanks, greg k-h
