linux-kernel - Re: [PATCH vhost v3 12/16] vdpa/mlx5: Improve mr update flow

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Message-ID: <CACGkMEseT3P6s6XC4+=7LMrBtP_uG5q6oXDjTtkX_N8u2D0SVQ@mail.gmail.com>
Date:   Tue, 10 Oct 2023 14:29:48 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Dragos Tatulea <dtatulea@...dia.com>
Cc:     "Michael S . Tsirkin" <mst@...hat.com>,
        Eugenio Perez Martin <eperezma@...hat.com>,
        Si-Wei Liu <si-wei.liu@...cle.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Parav Pandit <parav@...dia.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: Re: [PATCH vhost v3 12/16] vdpa/mlx5: Improve mr update flow

On Mon, Oct 9, 2023 at 7:25 PM Dragos Tatulea <dtatulea@...dia.com> wrote:
>
> The current flow for updating an mr works directly on mvdev->mr which
> makes it cumbersome to handle multiple new mr structs.
>
> This patch makes the flow more straightforward by having
> mlx5_vdpa_create_mr return a new mr which will update the old mr (if
> any). The old mr will be deleted and unlinked from mvdev.
>
> This change paves the way for adding mrs for different ASIDs.
>
> The initialized bool is no longer needed as mr is now a pointer in the
> mlx5_vdpa_dev struct which will be NULL when not initialized.
>
> Acked-by: Eugenio Pérez <eperezma@...hat.com>
> Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
> ---

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks