kernel-fxtec-pro1x/drivers/nvme
Keith Busch 815c6704bf nvme-pci: Remap CMB SQ entries on every controller reset
The controller memory buffer is remapped into a kernel address on each
reset, but the driver was setting the submission queue base address
only on the very first queue creation. The remapped address is likely to
change after a reset, so accessing the old address will hit a kernel bug.

This patch fixes that by setting the queue's CMB base address each time
the queue is created.

Fixes: f63572dff1 ("nvme: unmap CMB and remove sysfs file in reset path")
Reported-by: Christian Black <christian.d.black@intel.com>
Cc: Jon Derrick <jonathan.derrick@intel.com>
Cc: <stable@vger.kernel.org> # 4.9+
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2018-02-13 17:09:50 -07:00
..
host nvme-pci: Remap CMB SQ entries on every controller reset 2018-02-13 17:09:50 -07:00
target Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block 2018-01-29 11:51:49 -08:00
Kconfig nvme: use menu Kconfig interface 2017-10-04 09:43:57 +02:00
Makefile nvmet: add a generic NVMe target 2016-07-05 11:30:33 -06:00