From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <1d8207a7813237f3f1241e0c5a274228@coraid.com> From: erik quanstrom Date: Thu, 8 Nov 2007 11:33:12 -0500 To: 9fans@cse.psu.edu Subject: Re: [9fans] From our "not quite grasping the concept" file In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: efab0548-ead2-11e9-9d60-3106f5b1d025 > > are 9p mesages really the right vehicle for this? 9p messages > > provides a serialized and in a standard byte order. this requires > > byte reordering (on intel) and copying. but are these really needed? > > the guest and host are on the same platform, so the guest can > > pass pointers to the host. for the same reason, integers don't need > > reformatting. > > > > 9p is the right organizational structure. The details of marshalling > and pass-by-copy versus pass-by-reference are transport issues. Lucho > and I have been playing with zero-marhsalling/zero-copy transport > variants of 9P for virtualized environments. > > -eric perhaps i'm being too pedantic, but 9p is defined by how it marshals data. - erik