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Date: Mon, 3 Mar 2014 20:52:11 +0100
From: Andrea Arcangeli <aarcange@redhat.com>
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Subject: Re: [Qemu-devel] [RFC]VM live snapshot proposal
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Pavel Hrdina <phrdina@redhat.com>, Zhanghailiang <zhang.zhanghailiang@huawei.com>, KVM devel mailing list <kvm@vger.kernel.org>, Stefan Hajnoczi <stefanha@gmail.com>, "Huangpeng (Peter)" <peter.huangpeng@huawei.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Wenchao Xia <xiawenc@linux.vnet.ibm.com>

Hi Paolo,

On Mon, Mar 03, 2014 at 02:47:31PM +0100, Paolo Bonzini wrote:
>   I'm not sure what's the status of the kernel infrastructure for 
> post-copy.  Andrea?

sys_userfaultfd is still work in progress but it shouldn't be much
work left to completion. madvise(MADV_USERFAULT) and
remap_anon_pages() are complete for a while.