Indeed
> Date: Mon, 14 Feb 2011 15:19:06 +0000 > From: [email protected] > Subject: Re: Is this a commonly used technique ? > To: [email protected] > > Tom, > > I believe CC was referring to accessing data in another ASID *without* that > ASID participating in a formal cross-memory link. > > A PC-ss is a formal cross-memory link between the two ASIDs and the server > can easily reference caller storage using AR-Mode and the ALET value of 1. > > Rob Scott > Lead Developer > Rocket Software > 275 Grove Street * Newton, MA 02466-2272 * USA > Tel: +1.617.614.2305 > Email: [email protected] > Web: www.rocketsoftware.com > > > -----Original Message----- > From: IBM Mainframe Assembler List [mailto:[email protected]] > On Behalf Of Tom Marchant > Sent: 14 February 2011 15:08 > To: [email protected] > Subject: Re: Is this a commonly used technique ? > > On Sun, 13 Feb 2011 18:40:57 -0600, Chris Craddock wrote: > > >given that the service provider has provided a space-switch PC for > >the client address space to call, what was the point of the SRB? > >There's nothing wrong with it per se, but it just adds more moving > >parts which on average is less optimal. > > I believe you had posted previously that the only legal way to access > data in another address space is to schedule an SRB. I have been > trying to understand why that is so. Is this different by virtue of > running a space-switch PC and referencing the caller's address space? > > -- > Tom Marchant > Compuware
