Re: [PATCH 1/3] i915/gvt: seperate tracked MMIO table from handlers.c

[hch@xxxxxx]

On Tue, Nov 09, 2021 at 10:51:27AM +0000, Wang, Zhi A wrote:
> Can you elaborate more about this? We need the hash query from the table 
> ASAP when the hypervisor trapped a mmio access. It's a critical path and 
> we tried different data structure in the kernel and the hash table gives 
> the best performance.

Ok, I misunderstood the hashtable.h interface.  hash_for_each_possible
actually does a hash lookup instead of an interation despite the rather
misleading name.