Re: [Xen-devel] the ptwr cmpxchg fix

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Keir Fraser wrote:
> On 18/10/07 20:58, "John Levon" <levon@xxxxxxxxxxxxxxxxx> 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

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel