On Tue, Apr 04, 2023 at 03:01:58PM +0800, xiaolinkui wrote: > Thanks for your reply. > > When CONFIG_CPUMASK_OFFSTACK=y, "ret" will be false if diff==NULL. > > However, when CONFIG_CPUMASK_OFFSTACK=n, these two are not necessarily > equivalent. And what is the problem with that? cpumask_* API is built to handle correctly this mode. Reminder: please don't top post. > > Thanks
