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A recent commite893768179("devlink: prepare to support region operations") used the region_cr_space_str and region_fw_health_str variables as initializers for the devlink_region_ops structures. This can result in compiler errors: drivers/net/ethernet/mellanox//mlx4/crdump.c:45:10: error: initializer element is not constant .name = region_cr_space_str, ^ drivers/net/ethernet/mellanox//mlx4/crdump.c:45:10: note: (near initialization for ‘region_cr_space_ops.name’) drivers/net/ethernet/mellanox//mlx4/crdump.c:50:10: error: initializer element is not constant .name = region_fw_health_str, The variables were made to be "const char * const", indicating that both the pointer and data were constant. This was enough to resolve this on recent GCC (gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1) for this author). Unfortunately this is not enough for older compilers to realize that the variable can be treated as a constant expression. Fix this by introducing macros for the string and use those instead of the variable name in the region ops structures. Reported-by: tanhuazhong <tanhuazhong@huawei.com> Fixes:e893768179("devlink: prepare to support region operations") Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.