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linux/drivers/nvme
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Meir Elisha 17451b7950 nvmet-tcp: Fix a possible sporadic response drops in weakly ordered arch 
[ Upstream commit a16f88964c ]

The order in which queue->cmd and rcv_state are updated is crucial.
If these assignments are reordered by the compiler, the worker might not
get queued in nvmet_tcp_queue_response(), hanging the IO. to enforce the
the correct reordering, set rcv_state using smp_store_release().

Fixes: bdaf132791 ("nvmet-tcp: fix a segmentation fault during io parsing error")

Signed-off-by: Meir Elisha <meir.elisha@volumez.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-03-13 12:51:04 +01:00
..
host nvme/ioctl: add missing space in err message 2025-03-13 12:50:53 +01:00
target nvmet-tcp: Fix a possible sporadic response drops in weakly ordered arch 2025-03-13 12:51:04 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00