Re: linux-next: manual merge of the mlx5-next tree with the rdma tree

From: Stephen Rothwell
Date: Mon May 06 2019 - 00:02:41 EST


Hi all,

On Tue, 30 Apr 2019 13:58:46 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Leon,
>
> Today's linux-next merge of the mlx5-next tree got a conflict in:
>
> drivers/infiniband/hw/mlx5/main.c
>
> between commit:
>
> 35b0aa67b298 ("RDMA/mlx5: Refactor netdev affinity code")
>
> from the rdma tree and commit:
>
> c42260f19545 ("net/mlx5: Separate and generalize dma device from pci device")
>
> from the mlx5-next tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc drivers/infiniband/hw/mlx5/main.c
> index 6135a0b285de,fae6a6a1fbea..000000000000
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@@ -200,12 -172,18 +200,12 @@@ static int mlx5_netdev_event(struct not
>
> switch (event) {
> case NETDEV_REGISTER:
> + /* Should already be registered during the load */
> + if (ibdev->is_rep)
> + break;
> write_lock(&roce->netdev_lock);
> - if (ndev->dev.parent == &mdev->pdev->dev)
> - if (ibdev->rep) {
> - struct mlx5_eswitch *esw = ibdev->mdev->priv.eswitch;
> - struct net_device *rep_ndev;
> -
> - rep_ndev = mlx5_ib_get_rep_netdev(esw,
> - ibdev->rep->vport);
> - if (rep_ndev == ndev)
> - roce->netdev = ndev;
> - } else if (ndev->dev.parent == mdev->device) {
> ++ if (ndev->dev.parent == mdev->device)
> roce->netdev = ndev;
> - }
> write_unlock(&roce->netdev_lock);
> break;
>

This is now a conflict between the net-next tree and the rdma tree.

--
Cheers,
Stephen Rothwell

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