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ed302854d0
Remove TDVMCALLINFO_GET_QUOTE from user_tdvmcallinfo_1_r11 reported to
userspace to align with the direction of the GHCI spec.
Recently, concern was raised about a gap in the GHCI spec that left
ambiguity in how to expose to the guest that only a subset of GHCI
TDVMCalls were supported. During the back and forth on the spec details[0],
<GetQuote> was moved from an individually enumerable TDVMCall, to one that
is part of the 'base spec', meaning it doesn't have a specific bit in the
<GetTDVMCallInfo> return values. Although the spec[1] is still in draft
form, the GetQoute part has been agreed by the major TDX VMMs.
Unfortunately the commits that were upstreamed still treat <GetQuote> as
individually enumerable. They set bit 0 in the user_tdvmcallinfo_1_r11
which is reported to userspace to tell supported optional TDVMCalls,
intending to say that <GetQuote> is supported.
So stop reporting <GetQute> in user_tdvmcallinfo_1_r11 to align with
the direction of the spec, and allow some future TDVMCall to use that bit.
[0] https://lore.kernel.org/all/aEmuKII8FGU4eQZz@google.com/
[1] https://cdrdv2.intel.com/v1/dl/getContent/858626
Fixes:
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|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.