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e4ee544792
This check is currently performed by sev_gmem_post_populate(), but it applies to all callers of kvm_gmem_populate(): the point of the function is that the memory is being encrypted and some work has to be done on all the gfns in order to encrypt them. Therefore, check the KVM_MEMORY_ATTRIBUTE_PRIVATE attribute prior to invoking the callback, and stop the operation if a shared page is encountered. Because CONFIG_KVM_PRIVATE_MEM in principle does not require attributes, this makes kvm_gmem_populate() depend on CONFIG_KVM_GENERIC_PRIVATE_MEM (which does require them). Reviewed-by: Michael Roth <michael.roth@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| ipc | ||
| kernel | ||
| lib | ||
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| rust | ||
| samples | ||
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| security | ||
| sound | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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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.