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RE: [Xen-devel] [PATCH] make shared_info architecture independent

  • To: "Keir Fraser" <keir@xxxxxxxxxxxxx>, "He, Qing" <qing.he@xxxxxxxxx>
  • From: "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>
  • Date: Fri, 1 Dec 2006 16:17:04 +0800
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Fri, 01 Dec 2006 00:18:00 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AccVGu7nChRh+annQ3K+gw6B+Sr5ogABG3+CAAAMt9A=
  • Thread-topic: [Xen-devel] [PATCH] make shared_info architecture independent
>Breaks ABI compatibility, and Jan Beulich's PV-PAE-on-64 patches can be
>extended for the HVM case.
>
Keir,
I don't quite understand what "break ABI compatibility" mean? Doesn't it
mean old domX kernel can't run with new HV or vice versa? Since we only
made a small change to evtchn structure inside and exported APIs is
untouched, we think it won't affect others.

Thanks, 
Xiaowei

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