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When the BPF scheduler fails, ops.exit() allows rich error reporting through scx_exit_info. Use scx.exit() path consistently for all failures which can be caused by the BPF scheduler: - scx_ops_error() is called after ops.init() and ops.cgroup_init() failure to record error information. - ops.init_task() failure now uses scx_ops_error() instead of pr_err(). - The err_disable path updated to automatically trigger scx_ops_error() to cover cases that the error message hasn't already been generated and always return 0 indicating init success so that the error is reported through ops.exit(). Signed-off-by: Tejun Heo <tj@kernel.org> Cc: David Vernet <void@manifault.com> Cc: Daniel Hodges <hodges.daniel.scott@gmail.com> Cc: Changwoo Min <multics69@gmail.com> Cc: Andrea Righi <andrea.righi@linux.dev> Cc: Dan Schatzberg <schatzberg.dan@gmail.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 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.