selftests: drv-net: iou-zcrx: wait for memory cleanup of probe run

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The large chunks test does a probe run of iou-zcrx before it runs the
actual test. After the probe run finishes, the context will still exist
until the deferred io_uring teardown. When running iou-zcrx the second
time, io_uring_register_ifq() can return -EEXIST due to the existence of
the old context.

The fix is simple: wait for the context teardown using the new
mp_clear_wait() utility before running the second instance of iou-zcrx.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Link: https://patch.msgid.link/20260305080446.897628-2-dtatulea@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Dragos Tatulea 2026-03-05 10:04:45 +02:00 • committed by Jakub Kicinski

parent 1a9940317c

commit 507ccb668f

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tools/testing/selftests/drivers/net/hw/iou-zcrx.py

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