On 6/11/23 5:19 PM, Leon Romanovsky wrote: > On Tue, Jun 06, 2023 at 01:50:01PM +0800, Cheng Xu wrote: >> Hi, >> >> This series adds a new doorbell allocation mechanism to meet the >> the isolation requirement for userspace applications. Two main change >> points in this patch set: One is that we extend the bar space for doorbell >> allocation, and the other one is that we associate QPs/CQs with the >> allocated doorbells for authorization. We also keep the original doorbell >> mechanism for compatibility, but only used under CAP_SYS_RAWIO to prevent >> non-privileged access, which suggested by Jason before. >> >> - #1 configures the current PAGE_SIZE to hardware, so that hardware can >> organize the mmio space properly. >> - #2~#3 implement the new doorbell allocation mechanism. >> - #4 refactors the doorbell allocation part to make code more simpler and >> cleaner. >> >> Thanks, >> Cheng Xu >> >> Cheng Xu (4): >> RDMA/erdma: Configure PAGE_SIZE to hardware >> RDMA/erdma: Allocate doorbell resources from hardware >> RDMA/erdma: Associate QPs/CQs with doorbells for authorization >> RDMA/erdma: Refactor the original doorbell allocation mechanism > > As a side note, there is no need to perform double not (!!...) when > assigning to bool variables. > Get it. I will address it in future patchset together with other cleaning up. Thanks, Cheng Xu
