Kumar Kartikeya Dwivedi 4fec4c22f0 selftests/bpf: Add IRQ save/restore tests
Include tests that check for rejection in erroneous cases, like
unbalanced IRQ-disabled counts, within and across subprogs, invalid IRQ
flag state or input to kfuncs, behavior upon overwriting IRQ saved state
on stack, interaction with sleepable kfuncs/helpers, global functions,
and out of order restore. Include some success scenarios as well to
demonstrate usage.

#128/1   irq/irq_save_bad_arg:OK
#128/2   irq/irq_restore_bad_arg:OK
#128/3   irq/irq_restore_missing_2:OK
#128/4   irq/irq_restore_missing_3:OK
#128/5   irq/irq_restore_missing_3_minus_2:OK
#128/6   irq/irq_restore_missing_1_subprog:OK
#128/7   irq/irq_restore_missing_2_subprog:OK
#128/8   irq/irq_restore_missing_3_subprog:OK
#128/9   irq/irq_restore_missing_3_minus_2_subprog:OK
#128/10  irq/irq_balance:OK
#128/11  irq/irq_balance_n:OK
#128/12  irq/irq_balance_subprog:OK
#128/13  irq/irq_global_subprog:OK
#128/14  irq/irq_restore_ooo:OK
#128/15  irq/irq_restore_ooo_3:OK
#128/16  irq/irq_restore_3_subprog:OK
#128/17  irq/irq_restore_4_subprog:OK
#128/18  irq/irq_restore_ooo_3_subprog:OK
#128/19  irq/irq_restore_invalid:OK
#128/20  irq/irq_save_invalid:OK
#128/21  irq/irq_restore_iter:OK
#128/22  irq/irq_save_iter:OK
#128/23  irq/irq_flag_overwrite:OK
#128/24  irq/irq_flag_overwrite_partial:OK
#128/25  irq/irq_ooo_refs_array:OK
#128/26  irq/irq_sleepable_helper:OK
#128/27  irq/irq_sleepable_kfunc:OK
#128     irq:OK
Summary: 1/27 PASSED, 0 SKIPPED, 0 FAILED

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241204030400.208005-8-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-12-04 08:38:29 -08:00
2024-09-01 20:43:24 -07:00
2022-09-28 09:02:20 +02:00
2024-12-01 14:28:56 -08:00
2024-03-18 03:36:32 -06:00

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.
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