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518bfe84ec
When using cpufreq on Loongson 2F MIPS platform, "poweroff" command gets frequently stuck in syscore_shutdown(). The reason is that i8259A_shutdown() gets called before cpufreq_suspend(), and if we have pending work then irq_work_sync() in cpufreq_dbs_governor_stop() gets stuck forever as we have all interrupts masked already. irq-i8259 is registering syscore_ops using device_initcall(), while cpufreq uses core_initcall(). Fix the shutdown order simply by registering the irq syscore_ops during the early IRQ init instead of using a separate initcall at later stage. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> |
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| certs | ||
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| drivers | ||
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| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
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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.