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69eeff0224
All 32 and 64-bit builds that don't have CONFIG_TAU_INT enabled (all of them), get a definition of TAUException() in traps.c. On 64-bit it's completely useless, and just wastes ~120 bytes of text. On 32-bit it allows the kernel to link because head_32.S calls it unconditionally. Instead follow the example of altivec_assist_exception(), and if CONFIG_TAU_INT is not enabled just point it at unknown_exception using the preprocessor. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200724131728.1643966-6-mpe@ellerman.id.au
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.