Re: [Qemu-devel] [RFC][PATCH] save/load cpu runstate

2013-03-15 Thread Markus Armbruster
Hu Tao writes: > This patch make it aviable to save cpu runstate when do savevm, > and restore it when do loadvm, correspondingly. If qemu is started > with -S, then the saved runstate is ignored. Why is saving runstate useful? > WARNING: this patch breaks backward migration compatibility, Paol

[Qemu-devel] [RFC][PATCH] save/load cpu runstate

2013-03-15 Thread Hu Tao
This patch make it aviable to save cpu runstate when do savevm, and restore it when do loadvm, correspondingly. If qemu is started with -S, then the saved runstate is ignored. WARNING: this patch breaks backward migration compatibility, Paolo thinks it's not worth it. But I'm still posting it for