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5280a14a60
Prepare for changing 'nr_irqs' from an exported global variable into a variable with file scope. This will prevent accidental changes of assignments to a local variable 'nr_irqs' into assignments to the global 'nr_irqs' variable. Suppose that a patch would be submitted for review that removes a declaration of a local variable with the name 'nr_irqs' and that that patch does not remove all assignments to that local variable. Such a patch converts an assignment to a local variable into an assignment into a global variable. If the 'nr_irqs' assignment is more than three lines away from other changes, the assignment won't be included in the diff context lines and hence won't be visible without inspecting the modified file. With these abstraction series applied, such accidental conversions from assignments to a local variable into an assignment to a global variable are converted into a compilation error. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20241015190953.1266194-2-bvanassche@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 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.