From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com, John Levon <levon@movementarian.org>
Subject: Re: the ptwr cmpxchg fix
Date: Fri, 19 Oct 2007 15:50:43 -0700 [thread overview]
Message-ID: <471934C3.6030908@goop.org> (raw)
In-Reply-To: <C33E1F20.F1A8%Keir.Fraser@cl.cam.ac.uk>
Keir Fraser wrote:
> On 18/10/07 20:58, "John Levon" <levon@movementarian.org> wrote:
>
>
>> * To quote Jan Beulich:
>>
>> Subject: [Xen-devel] c/s 15147 change to struct vcpu_register_vcpu_info
>>
>> This changeset changed the layout of the structure, and 3.1 as well as
>> 2.6.23 use the old layout, while 3.1.1 uses to new one.
>>
>> We don't use this on Solaris yet, however
>>
>
> Since the old structure layout was never present in a stable release of Xen
> (that operation was not supported at all in 3.1.0) this one doesn't really
> belong on the incompatibility list.
>
I think the structure was present, but there was no implementation to
back it up. It's remotely possible someone decided to implement the
vcpu_info placement without ever testing it, but it seems unlikely.
J
prev parent reply other threads:[~2007-10-19 22:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-18 19:58 the ptwr cmpxchg fix John Levon
2007-10-19 7:38 ` Keir Fraser
2007-10-22 12:09 ` John Levon
2007-10-19 7:45 ` Keir Fraser
2007-10-19 22:50 ` Jeremy Fitzhardinge [this message]
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