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dd4436bb83
Teach bpf_object__open how to guess program type and expected attach type from section names, similar to what bpf_prog_load() does. This seems like a really useful features and an oversight to not have this done during bpf_object_open(). To preserver backwards compatible behavior of bpf_prog_load(), its attr->prog_type is treated as an override of bpf_object__open() decisions, if attr->prog_type is not UNSPECIFIED. There is a slight difference in behavior for bpf_prog_load(). Previously, if bpf_prog_load() was loading BPF object with more than one program, first program's guessed program type and expected attach type would determine corresponding attributes of all the subsequent program types, even if their sections names suggest otherwise. That seems like a rather dubious behavior and with this change it will behave more sanely: each program's type is determined individually, unless they are forced to uniformity through attr->prog_type. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20191021033902.3856966-5-andriin@fb.com |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.