On Sun, Oct 22, 2023 at 05:18:03PM -0700, Nicolin Chen wrote: > > > And where should we add this comment? Kdoc of > > > the alloc uAPI? > > > > Maybe right in front of the only enforce_cc op callback? > > OK. How about this? Might be a bit verbose though: > /* > * enforce_cache_coherenc must be determined during the HWPT allocation. > * Note that a HWPT (non-CC) created for a device (non-CC) can be later > * reused by another device (either non-CC or CC). However, A HWPT (CC) > * created for a device (CC) cannot be reused by another device (non-CC) > * but only devices (CC). Instead user space in this case would need to > * allocate a separate HWPT (non-CC). > */ Ok, fix the spello in enforce_cache_coherenc Jason