We currently enable -Werror on the arch/powerpc subtree. However this only catches C warnings. Assembly warnings are logged, but the make invocation will still succeed. This can allow incorrect syntax such as ori r3, r4, r5 to be compiled without catching that the assembler is treating r5 as the immediate value 5. To prevent this in assembly files and inline assembly, add the -fatal-warnings option to assembler invocations. Signed-off-by: Benjamin Gray <bgray@linux.ibm.com> Tested-by: Andrew Donnellan <ajd@linux.ibm.com> Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20240326044420.577031-1-bgray@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 reStructuredText 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.
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