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    SubjectRe: [PATCH v4 0/2] vdpasim: support doorbell mapping
    On Mon, Feb 27, 2023 at 05:18:55PM +0800, Longpeng(Mike) wrote:
    > From: Longpeng <longpeng2@huawei.com>
    >
    > This patchset supports doorbell mapping for vdpasim devices.
    >
    > v3: https://lore.kernel.org/lkml/20230213070446-mutt-send-email-mst@kernel.org/T/
    > v2: https://lore.kernel.org/lkml/CACGkMEtdT5fG=ffbpQadkGmzHf6Ax-+L50LsriYqJaW++natMg@mail.gmail.com/T/

    Pls fix issues found by 0-day and repost.

    > Changes v3->v4:
    > - use WRITE_ONCE [Jason]
    > - start/stop periodic work when create/destroy vdpasim device [Jason]
    >
    > Changes v2->v3:
    > - add a new callback named get_vq_notification_pgprot to vdpa_config_ops [Jason]
    > - remove the new added module parameter 'parameter' [Jason]
    > - opencode the schedule/cancel_delayed() [Jason]
    >
    > Changes v1->v2:
    > - support both kick mode and passthrough mode. [Jason]
    > - poll the notify register first. [Jason, Michael]
    >
    > Longpeng (2):
    > vdpa: support specify the pgprot of vq notification area
    > vdpasim: support doorbell mapping
    >
    > drivers/vdpa/vdpa_sim/vdpa_sim.c | 67 ++++++++++++++++++++++++++++++++
    > drivers/vdpa/vdpa_sim/vdpa_sim.h | 3 ++
    > drivers/vhost/vdpa.c | 4 +-
    > include/linux/vdpa.h | 9 +++++
    > 4 files changed, 82 insertions(+), 1 deletion(-)
    >
    > --
    > 2.23.0

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