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mm_update_cpus_allowed() is not required to be invoked for affinity changes due to migrate_disable() and migrate_enable(). migrate_disable() restricts the task temporarily to a CPU on which the task was already allowed to run, so nothing changes. migrate_enable() restores the actual task affinity mask. If that mask changed between migrate_disable() and migrate_enable() then that change was already accounted for. Move the invocation to the proper place to avoid that. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://patch.msgid.link/20251119172549.385208276@linutronix.de
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.