linux-kernel - Question about the userfaultfd write-protect support

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Message-ID: <59B634F3.3010004@huawei.com>
Date:   Mon, 11 Sep 2017 15:02:11 +0800
From:   "Longpeng (Mike)" <longpeng2@...wei.com>
To:     <aarcange@...hat.com>
CC:     <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        QEMU-DEV <qemu-devel@...gnu.org>,
        "Huangweidong (C)" <weidong.huang@...wei.com>,
        "wangxin (U)" <wangxinxin.wang@...wei.com>
Subject: Question about the userfaultfd write-protect support

Hi Andrea,

We've implemented a demo of KVM live memory snapshot based on the userfaultfd
write-protect series in your private
tree(https://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git/log/). We did
a little hack on that series to make the demo works.

Zhang had discussed with you about this one or two years ago([1][2]), so do you
have any plan to make this series upstream ? If you will, then what is the time
schedule ? We really expect the userfaultfd write-protect series would be merged. :)

References:
[1] https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00664.html
[2] https://lists.nongnu.org/archive/html/qemu-devel/2014-11/msg02891.html

-- 
Regards,
Longpeng(Mike)