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| author | Kashyap Desai <kashyap.desai@broadcom.com> | 2023-06-09 04:01:39 -0700 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-06-12 10:10:16 +0300 |
| commit | 3099bcdc19b701f732f638ee45679858c08559bb (patch) | |
| tree | 027e977eb899c25bc63a05b8fa5a2ccbf0606139 /tools/perf/scripts/python/task-analyzer.py | |
| parent | 0af91306e17ef3d18e5f100aa58aa787869118af (diff) | |
RDMA/bnxt_re: Avoid calling wake_up threads from spin_lock context
bnxt_qplib_service_creq can be called from interrupt or tasklet or
process context. So the function take irq variant of spin_lock.
But when wake_up is invoked with the lock held, it is putting the
calling context to sleep.
[exception RIP: __wake_up_common+190]
RIP: ffffffffb7539d7e RSP: ffffa73300207ad8 RFLAGS: 00000083
RAX: 0000000000000001 RBX: ffff91fa295f69b8 RCX: dead000000000200
RDX: ffffa733344af940 RSI: ffffa73336527940 RDI: ffffa73336527940
RBP: 000000000000001c R8: 0000000000000002 R9: 00000000000299c0
R10: 0000017230de82c5 R11: 0000000000000002 R12: ffffa73300207b28
R13: 0000000000000000 R14: ffffa733341bf928 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
Call the wakeup after releasing the lock.
Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1686308514-11996-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions