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2b06beb08f
Handle SMI request as what KVM does for CONFIG_KVM_SMM=n, i.e. return -ENOTTY, and add KVM_BUG_ON() to SMI related OPs for TD. TDX doesn't support system-management mode (SMM) and system-management interrupt (SMI) in guest TDs. Because guest state (vCPU state, memory state) is protected, it must go through the TDX module APIs to change guest state. However, the TDX module doesn't provide a way for VMM to inject SMI into guest TD or a way for VMM to switch guest vCPU mode into SMM. MSR_IA32_SMBASE will not be emulated for TDX guest, -ENOTTY will be returned when SMI is requested. Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> Co-developed-by: Binbin Wu <binbin.wu@linux.intel.com> Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com> Message-ID: <20250222014757.897978-9-binbin.wu@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.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 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.