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If running from a directory that can't be read by unprivileged users, executing on-fault-test via the nobody user will fail. The kselftest build does give the file the correct permissions, but after being installed it might be in a directory without global execute permissions. Since the script can't safely fix that, just skip if it happens. Note that the stderr of the `ls` command is unfiltered meaning the user sees a "permission denied" error that can help inform them why the test was skipped. Link: https://lkml.kernel.org/r/20250311-mm-selftests-v4-11-dec210a658f5@google.com Signed-off-by: Brendan Jackman <jackmanb@google.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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.