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e87443a5f6
When probing for an ACPI-specified IPMI device, the code would request that the acpi_ipmi module be loaded ACPI operations through IPMI can be performed. This could happen through module load context, for instance, if an I2C module is loaded that caused the IPMI interface to be probed. This is not allowed because a synchronous module load in this context can result in an deadlock, and I was getting a warning: [ 23.967853] WARNING: CPU: 0 PID: 21 at kernel/module/kmod.c:144 __request_module+0x1de/0x2d0 [ 23.968852] Modules linked in: i2c_i801 ipmi_ssif The IPMI driver is not dependent on acpi_ipmi, so just change the called to request_module_nowait to make the load asynchronous. Signed-off-by: Corey Minyard <minyard@acm.org> |
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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.