On Thu, Nov 12, 2020 at 04:54:06PM +0000, David Howells wrote: > Chuck Lever <chuck.lever@xxxxxxxxxx> wrote: > > > Really? My understanding of the Linux kernel SUNRPC implementation is > > that it uses asynchronous, even for small data items. Maybe I'm using > > the terminology incorrectly. > > Seems to be synchronous, at least in its use of skcipher: Yes, it's all synchronous. The only cases where we defer and revisit a request is when we need to do upcalls to userspace. (And those upcalls mostly come after we're done with unwrapping and verifying a request, so now I'm sort of curious exactly what Chuck was seeing.) --b.