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12bf25d165
Currently, when EROFS is built with per-CPU workers, the workers are started and CPU hotplug hooks are registered during module initialization. This leads to unnecessary worker start/stop cycles during CPU hotplug events, particularly on Android devices that frequently suspend and resume. This change defers the initialization of per-CPU workers and the registration of CPU hotplug hooks until the first EROFS mount. This ensures that these resources are only allocated and managed when EROFS is actually in use. The tear down of per-CPU workers and unregistration of CPU hotplug hooks still occurs during z_erofs_exit_subsystem(), but only if they were initialized. Signed-off-by: Sandeep Dhavale <dhavale@google.com> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20250506225743.308517-1-dhavale@google.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.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.