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Since the value of `tmp` is never intended to be read, declare both `tmp` variables as unused. Fix warning (treated as error in W=1): arch/powerpc/kernel/signal_32.c: In function ‘sys_swapcontext’: arch/powerpc/kernel/signal_32.c:1048:16: error: variable ‘tmp’ set but not used arch/powerpc/kernel/signal_32.c: In function ‘sys_debug_setcontext’: arch/powerpc/kernel/signal_32.c🔢16: error: variable ‘tmp’ set but not used Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.