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7c3ded5735
If the nested hypervisor has no access to a facility because it has been disabled by the host, it should also not be able to see the Hypervisor Facility Unavailable that arises from one of its guests trying to access the facility. This patch turns a HFU that happened in L2 into a Hypervisor Emulation Assistance interrupt and forwards it to L1 for handling. The ones that happened because L1 explicitly disabled the facility for L2 are still let through, along with the corresponding Cause bits in the HFSCR. Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com> [np: move handling into kvmppc_handle_nested_exit] Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210811160134.904987-8-npiggin@gmail.com |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .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 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.