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linux/drivers/nvme
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Keith Busch b1a27b2aad nvme: ensure subsystem reset is single threaded 
commit 1e866afd4b upstream.

The subsystem reset writes to a register, so we have to ensure the
device state is capable of handling that otherwise the driver may access
unmapped registers. Use the state machine to ensure the subsystem reset
doesn't try to write registers on a device already undergoing this type
of reset.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=214771
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2022-11-26 09:24:49 +01:00
..
host nvme: ensure subsystem reset is single threaded 2022-11-26 09:24:49 +01:00
target nvmet: fix workqueue MEM_RECLAIM flushing dependency 2022-10-29 10:12:56 +02:00
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