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The code in rtas_get_error_log_max() doesn't cause problems in practice, but there are no measures to ensure that the lazy initialization of the static rtas_error_log_max variable is atomic, and it's not worth adding them. Initialize the static rtas_error_log_max variable at boot when we're single-threaded instead of lazily on first use. Use the more appropriate of_property_read_u32() API instead of rtas_token() to consult the "rtas-error-log-max" property, which is not the name of an RTAS function. Convert use of printk() to pr_warn() and distinguish the possible error cases. Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221118150751.469393-7-nathanl@linux.ibm.com
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.