Re: [PATCH] [v4.14.y] infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping
From: Jason Gunthorpe
Date: Mon Jun 10 2019 - 12:09:57 EST
On Tue, Jun 11, 2019 at 02:22:17AM +0530, Ajay Kaher wrote:
> This patch is the extension of following upstream commit to fix
> the race condition between get_task_mm() and core dumping
> for IB->mlx4 and IB->mlx5 drivers:
> commit 04f5866e41fb ("coredump: fix race condition between
> mmget_not_zero()/get_task_mm() and core dumping")'
> Thanks to Jason for pointing this.
> Signed-off-by: Ajay Kaher <akaher@xxxxxxxxxx>
> drivers/infiniband/hw/mlx4/main.c | 4 +++-
> drivers/infiniband/hw/mlx5/main.c | 3 +++
> 2 files changed, 6 insertions(+), 1 deletion(-)
Acked-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>