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Documentation: Add section about CPU vulnerabilities
Add documentation for the L1TF vulnerability and the mitigation mechanisms: - Explain the problem and risks - Document the mitigation mechanisms - Document the command line controls - Document the sysfs files Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lkml.kernel.org/r/20180713142323.287429944@linutronix.de
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Documentation/admin-guide/index.rst

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kernel-parameters
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devices
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This section describes CPU vulnerabilities and provides an overview of the
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possible mitigations along with guidance for selecting mitigations if they
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are configurable at compile, boot or run time.
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.. toctree::
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:maxdepth: 1
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l1tf
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Here is a set of documents aimed at users who are trying to track down
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problems and bugs in particular.
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