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17a363dcd2
Add conditional trap handlers similar to conditional system calls (COND_SYSCALL), to reduce the number of ifdefs. Trap handlers which may or may not exist depending on config options are supposed to have a COND_TRAP entry, which redirects to default_trap_handler() for non-existent trap handlers during link time. This allows to get rid of the secure execution trap handlers for the !PGSTE case. Reviewed-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@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.