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371b09c6fd
cond_ibpb() has the necessary bits required to track the previous mm in switch_mm_irqs_off(). This can be reused for other use cases like L1D flushing on context switch. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Balbir Singh <sblbir@amazon.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210108121056.21940-3-sblbir@amazon.com
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.