On Wed, Jun 5, 2019 at 12:49 PM Sean Christopherson <sean.j.christopherson@xxxxxxxxx> wrote: > > For some enclaves, e.g. an enclave with a small code footprint and a > large working set, the vast majority of pages added to the enclave are > zero pages. Introduce a flag to denote such zero pages. The major > benefit of the flag will be realized in a future patch to use Linux's > actual zero page as the source, as opposed to explicitly zeroing the > enclave's backing memory. > I feel like I probably asked this at some point, but why is there a workqueue here at all?