Leon Hwang e13b5f2f3b selftests/bpf: Add testcases for tailcall infinite loop fixing
Add 4 test cases to confirm the tailcall infinite loop bug has been fixed.

Like tailcall_bpf2bpf cases, do fentry/fexit on the bpf2bpf, and then
check the final count result.

tools/testing/selftests/bpf/test_progs -t tailcalls
226/13  tailcalls/tailcall_bpf2bpf_fentry:OK
226/14  tailcalls/tailcall_bpf2bpf_fexit:OK
226/15  tailcalls/tailcall_bpf2bpf_fentry_fexit:OK
226/16  tailcalls/tailcall_bpf2bpf_fentry_entry:OK
226     tailcalls:OK
Summary: 1/16 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Leon Hwang <hffilwlqm@gmail.com>
Link: https://lore.kernel.org/r/20230912150442.2009-4-hffilwlqm@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-09-12 13:06:12 -07:00
2023-09-12 13:06:12 -07:00

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 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.
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