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53ecaa6778
The common interrupt handler prologue macro and the bad_stack trampolines include consecutive sequences of register saves, and some register clears. Neaten such instances by expanding use of the SAVE_GPRS macro and employing the ZEROIZE_GPR macro when appropriate. Also simplify an invocation of SAVE_GPRS targetting all non-volatile registers to SAVE_NVGPRS. Signed-off-by: Rohan McLure <rmclure@linux.ibm.com> Reported-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220921065605.1051927-7-rmclure@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.