[RFC][PATCH 00/18] crypto: Add generic Kerberos library

Bruce Fields bfields at fieldses.org
Thu Nov 12 16:07:47 EST 2020


On Thu, Nov 12, 2020 at 04:54:06PM +0000, David Howells wrote:
> Chuck Lever <chuck.lever at oracle.com> 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.



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