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436a97c5d2
In the current debugfs initialization process, the interface trigger_dump is created first, and then the dump directory is created to store the register dump information. The issue is that after the trigger_dump interface is created, users can access the interface to trigger dump and call debugfs_create_files_v3_hw(). In debugfs_create_files_v3_hw(), if .debugfs_dump_dentry is NULL, the file for storing dump information is created under /sys/kernel/debug, and the memory and information cannot be released after the driver is uninstalled. Therefore, the creation of the trigger_dump interface is placed at the end of debugfs initialization. Signed-off-by: Yihang Li <liyihang9@huawei.com> Link: https://lore.kernel.org/r/20241008021822.2617339-3-liyihang9@huawei.com Reviewed-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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 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.