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| author | Bob Pearson <rpearsonhpe@gmail.com> | 2022-02-15 13:44:49 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-02-16 11:51:28 -0400 |
| commit | a099b08599e6ae6b8e9faccee83760dab622c11e (patch) | |
| tree | 7eb8cfe2ef11fc51cb2fe174422c8a6be06ac34d /virt | |
| parent | 3c8bc3954d771fc4889508ad5d16f084adc4d64d (diff) | |
| download | linux-a099b08599e6ae6b8e9faccee83760dab622c11e.tar.bz2 | |
RDMA/rxe: Revert changes from irqsave to bh locks
A previous patch replaced all irqsave locks in rxe with bh locks. This
ran into problems because rdmacm has a bad habit of calling rdma verbs
APIs while disabling irqs. This is not allowed during spin_unlock_bh()
causing programs that use rdmacm to fail. This patch reverts the changes
to locks that had this problem or got dragged into the same mess. After
this patch blktests/check -q srp now runs correctly.
Link: https://lore.kernel.org/r/20220215194448.44369-1-rpearsonhpe@gmail.com
Fixes: 21adfa7a3c4e ("RDMA/rxe: Replace irqsave locks with bh locks")
Reported-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Tested-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions