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    SubjectRe: [RFC PATCH 2/2] hv_netvsc: Change GPADL teardown order according to Hyper-V version
    On Tue, 23 Jan 2018 10:34:05 +0100
    Mohammed Gamal <mgamal@redhat.com> wrote:

    > Commit 0cf737808ae7 ("hv_netvsc: netvsc_teardown_gpadl() split")
    > introduced a regression causing VMs not to shutdown on pre-Wind2016
    > hosts after netvsc_remove_device() is called. This was caused as the
    > GPADL teardown sequence was changed.
    >
    > This patch restores the old behavior for pre-Win2016 hosts, while
    > keeping the changes from 0cf7378 for Win2016 and higher hosts.
    >
    > Signed-off-by: Mohammed Gamal <mgamal@redhat.com>

    Investigated the Windows driver to see how it handled this.
    It uses NVSP version < 4 to check for older hosts. So that patch
    should use that.

    Currently testing a version with that change.

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