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[ Upstream commit9b8d846924] Fix reported by kbuild warning. drivers/infiniband/core/uverbs_cmd.c:1897:47: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned] BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); ^ Link: https://lore.kernel.org/r/20200720175627.1273096-3-leon@kernel.org Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Stable-dep-of:8de8482fe5("RDMA/mlx5: Fix validation of max_rd_atomic caps for DC") Signed-off-by: Sasha Levin <sashal@kernel.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.
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.