-----Original Message-----
From: Jason Gunthorpe <jgg@xxxxxxxx>
Sent: Thursday, December 19, 2019 9:07 PM
To: Leon Romanovsky <leon@xxxxxxxxxx>
Cc: Doug Ledford <dledford@xxxxxxxxxx>; Leon Romanovsky <leonro@xxxxxxxxxxxx>; RDMA mailing list <linux-rdma@xxxxxxxxxxxxxxx>; Artemy Kovalyov <artemyko@xxxxxxxxxxxx>; Aviad Yehezkel <aviadye@xxxxxxxxxxxx>; Yishai Hadas <yishaih@xxxxxxxxxxxx>
Subject: Re: [PATCH rdma-rc 1/3] IB/mlx5: Unify ODP MR code paths to allow extra flexibility
On Thu, Dec 19, 2019 at 03:46:44PM +0200, Leon Romanovsky wrote:
> From: Artemy Kovalyov <artemyko@xxxxxxxxxxxx>
>
> Building MR translation table in ODP case requires additional
> flexibility, namely random access to DMA addresses. Make both direct
> and indirect ODP MR use same code path, separated from non-ODP MR code path.
>
> Fixes: d2183c6f1958 ("RDMA/umem: Move page_shift from ib_umem to
> ib_odp_umem")
What does it fix?
AK: fix huge page ODP MR handling, was broken in __mlx5_ib_populate_pas shift calculation
Jason
