On 2019/5/24 11:18, Andrew Morton wrote: > On Thu, 25 Apr 2019 22:32:17 +0800 Aubrey Li <aubrey.li@xxxxxxxxxxxxxxx> wrote: > >> The architecture specific information of the running processes >> could be useful to the userland. Add /proc/<pid>/arch_status >> interface support to examine process architecture specific >> information externally. > > I'll give this an > > Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Thanks! > > from a procfs POV and shall let the x86 maintainers worry about it. > > I must say I'm a bit surprised that we don't already provide some form > of per-process CPU-specific info anywhere in procfs. Something to > piggy-back this onto. But I can't find such a thing. > > I assume we've already discussed why this is a new procfs file rather > than merely a new line in /proc/<pid>/status. If so, please add the > reasoning to the changelog. If not, please discuss now ;) > Andy and Thomas may want to give more comments. The discussion was that we don't want /proc/PID/status to be different on different architectures. It would be better to separate the arch staff into its own file /proc/PID/ arch_status and make sure that everything in it is namespaced. Thanks, -Aubrey
