xen-devel

[Top] [All Lists]

Re: [Xen-devel] the ptwr cmpxchg fix

from [Jeremy Fitzhardinge]

[Permanent Link][Original]

To:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject:	Re: [Xen-devel] the ptwr cmpxchg fix
From:	Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date:	Fri, 19 Oct 2007 15:50:43 -0700
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx, John Levon <levon@xxxxxxxxxxxxxxxxx>
Delivery-date:	Fri, 19 Oct 2007 15:51:19 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
In-reply-to:	<C33E1F20.F1A8%Keir.Fraser@xxxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<C33E1F20.F1A8%Keir.Fraser@xxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Thunderbird 2.0.0.5 (X11/20070727)

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

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-devel] the ptwr cmpxchg fix, John Levon Re: [Xen-devel] the ptwr cmpxchg fix, Keir Fraser Re: [Xen-devel] the ptwr cmpxchg fix, John Levon Re: [Xen-devel] the ptwr cmpxchg fix, Keir Fraser Re: [Xen-devel] the ptwr cmpxchg fix, Jeremy Fitzhardinge <=

Previous by Date:	RE: [Xen-devel] interrupt delivery to VCPU, Agarwal, Lomesh
Next by Date:	RE: [Xen-devel][VTD][PATCH][RESEND]add a timer for the sharedinterrupt issue for vt-d, Xin, Xiaohui
Previous by Thread:	Re: [Xen-devel] the ptwr cmpxchg fix, Keir Fraser
Next by Thread:	[Xen-devel] DL385 G2 - PCI-DMA: Random memory would be DMAed, Zachary Richmond
Indexes:	[Date] [Thread] [Top] [All Lists]