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9a1c58cfef
The value of MDCR_EL2.HPMN controls the number of event counters made visible to EL0 and EL1. This means it is possible for the guest hypervisor to allow direct access to event counters to the L2. Rework KVM's PMU register emulation to take the effects of HPMN into account when handling a trap. For bitmask-style registers, writes only affect accessible registers. Reviewed-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20241025182354.3364124-14-oliver.upton@linux.dev Signed-off-by: Oliver Upton <oliver.upton@linux.dev> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
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| .get_maintainer.ignore | ||
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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 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.