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7b7027937d
Test that masked events are not using invalid bits, and if they are, ensure the pmu event filter is not accepted by KVM_SET_PMU_EVENT_FILTER. The only valid bits that can be used for masked events are set when using KVM_PMU_ENCODE_MASKED_ENTRY() with one exception: If any of the high bits (35:32) of the event select are set when using Intel, the pmu event filter will fail. Also, because validation was not being done prior to the introduction of masked events, only expect validation to fail when masked events are used. E.g. in the first test a filter event with all its bits set is accepted by KVM_SET_PMU_EVENT_FILTER when flags = 0. Signed-off-by: Aaron Lewis <aaronlewis@google.com> Link: https://lore.kernel.org/r/20221220161236.555143-7-aaronlewis@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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| README | ||
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.