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Re: [Xen-devel] Re: [Xen-changelog] [xen-unstable] [LINUX][XENBUS] repla

To: Anthony Liguori <aliguori@xxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [Xen-changelog] [xen-unstable] [LINUX][XENBUS] replace xenbus_transaction_t with an opaque transaction ID.
From: Chris Wright <chrisw@xxxxxxxxxxxx>
Date: Fri, 9 Jun 2006 15:55:31 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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* Anthony Liguori (aliguori@xxxxxxxxxx) wrote:
> Can't we just go back to the original semantics and s/XBT_NIL/NULL/g.  
> The whole reason XBT_NULL was introduced was that it switched to an 
> integer and NULL used to represent no transaction.

Don't think there's a semantic change here.  Just syntax.
And these opaque objects are passed by value not ref, so NULL wouldn't
be right.

thanks,
-chris

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