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14721add58
When kernel module loading failed, user space only get one of the following error messages: - ENOEXEC This is the most confusing one. From corrupted ELF header to bad WRITE|EXEC flags check introduced by in module_enforce_rwx_sections() all returns this error number. - EPERM This is for blacklisted modules. But mod doesn't do extra explain on this error either. - ENOMEM The only error which needs no explain. This means, if a user got "Exec format error" from modprobe, it provides no meaningful way for the user to debug, and will take extra time communicating to get extra info. So this patch will add extra error messages for -ENOEXEC and -EPERM errors, allowing user to do better debugging and reporting. Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Jessica Yu <jeyu@kernel.org> |
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| 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 | ||
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| 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.