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This patch adds selftests that exercise kfunc flavor relocation
functionality added in the previous patch. The actual kfunc defined
in kernel/bpf/helpers.c is:
struct task_struct *bpf_task_acquire(struct task_struct *p)
The following relocation behaviors are checked:
struct task_struct *bpf_task_acquire___one(struct task_struct *name)
* Should succeed despite differing param name
struct task_struct *bpf_task_acquire___two(struct task_struct *p, void *ctx)
* Should fail because there is no two-param bpf_task_acquire
struct task_struct *bpf_task_acquire___three(void *ctx)
* Should fail because, despite vmlinux's bpf_task_acquire having one param,
the types don't match
Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230817225353.2570845-2-davemarchevsky@fb.com
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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.