Re: [PATCH rdma-next 1/2] qedr: Add doorbell overflow recovery support

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On Mon, Mar 11, 2019 at 06:06:14PM +0200, Michal Kalderon wrote:
> +	if (IS_ERR(q->db_rec_umem)) {
> +		DP_ERR(dev,
> +		       "create user queue: failed db_rec ib_umem_get, error was %ld, db_rec_addr was %llx\n",
> +		       PTR_ERR(q->db_rec_umem), db_rec_addr);
> +		return PTR_ERR(q->db_rec_umem);
> +	}
> +
> +	q->db_rec_virt = sg_virt(q->db_rec_umem->sg_head.sgl);

Can't just call sg_virt.. You need to use kmap/etc in this situation

Jason



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