IB/hfi1: Immediately remove invalid memory from hardware
authorDean Luick <dean.luick@cornelisnetworks.com>
Mon, 9 Jan 2023 17:31:26 +0000 (12:31 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 1 Feb 2023 07:27:06 +0000 (08:27 +0100)
commit47d5fc0dcd57a11c11eb406071417fe8e20bc74f
tree23868b8f3d36f1fca36f443ca3d062d12eec6893
parent85caef2cfd1dec569d7356faa952c32712ab77f9
IB/hfi1: Immediately remove invalid memory from hardware

[ Upstream commit 1c7edde1b5720ddb0aff5ca8c7f605a0f92526eb ]

When a user expected receive page is unmapped, it should be
immediately removed from hardware rather than depend on a
reaction from user space.

Fixes: 2677a7680e77 ("IB/hfi1: Fix memory leak during unexpected shutdown")
Signed-off-by: Dean Luick <dean.luick@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://lore.kernel.org/r/167328548663.1472310.7871808081861622659.stgit@awfm-02.cornelisnetworks.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/infiniband/hw/hfi1/user_exp_rcv.c
drivers/infiniband/hw/hfi1/user_exp_rcv.h