On Sun, 21 Jul 2024 at 01:11, Michael S. Tsirkin <m...@redhat.com> wrote: > > > > On Wed, Jul 17, 2024 at 04:55:52AM -0400, Michael S. Tsirkin wrote: > > > > > I just want to understand how we managed to have two threads > > > > > talking in parallel. BQL is normally enough, which path > > > > > manages to invoke vhost-user with BQL not taken? > > > > > Just check BQL taken on each vhost user invocation and > > > > > you will figure it out. > > > > > > > OK, so postcopy_ram_ things run without the BQL? > > > > There are a lot of postcopy_ram_* functions, I didn't check all of them but > > I think it's true in this case. Thanks. > > > So pls document this in the commit log.
* ie. IIUC, if we take BQL in postcop_ram_* functions, we don't need this 'vhost_user_request_reply_lock patch'? I'll check the postcopy_ram_* functions to see what's happening there. Thank you. --- - Prasad
