linux-kernel - Re: [PATCH rdma-rc] Revert "RDMA/mlx5: Fix releasing unallocated memory in dereg MR flow"

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Message-ID: <20211224025145.GE1779224@nvidia.com>
Date:   Thu, 23 Dec 2021 22:51:45 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Maor Gottlieb <maorg@...dia.com>
Cc:     alaa@...dia.com, chuck.lever@...cle.com,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        tonylu@...ux.alibaba.com, leon@...nel.org
Subject: Re: [PATCH rdma-rc] Revert "RDMA/mlx5: Fix releasing unallocated
 memory in dereg MR flow"

On Wed, Dec 22, 2021 at 12:13:12PM +0200, Maor Gottlieb wrote:
> This patch is not the full fix and still causes to call traces
> during mlx5_ib_dereg_mr().
> 
> This reverts commit f0ae4afe3d35e67db042c58a52909e06262b740f.
> 
> Fixes: f0ae4afe3d35 ("RDMA/mlx5: Fix releasing unallocated memory in dereg MR flow")
> Signed-off-by: Maor Gottlieb <maorg@...dia.com>
> ---
>  drivers/infiniband/hw/mlx5/mlx5_ib.h |  6 +++---
>  drivers/infiniband/hw/mlx5/mr.c      | 26 ++++++++++++++------------
>  2 files changed, 17 insertions(+), 15 deletions(-)

Huh? Why is this such a problem to fix the missing udatas?

Jason