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commitc527572358upstream. Some adapters need a fence Work Entry to handle retransmission. Currently the driver checks for this condition, only if the Send queue entry is signalled. Implement the condition check, irrespective of the signalled state of the Work queue entries Failure to add the fence can result in access to memory that is already marked as completed, triggering data corruption, transmission failure, IOMMU failures, etc. Fixes:9152e0b722("RDMA/bnxt_re: HW workarounds for handling specific conditions") Link: https://lore.kernel.org/r/1574671174-5064-3-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.