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If APIC state is protected, i.e. the vCPU is a TDX guest, assume a timer IRQ was injected when deciding whether or not to busy wait in the "timer advanced" path. The "real" vIRR is not readable/writable, so trying to query for a pending timer IRQ will return garbage. Note, TDX can scour the PIR if it wants to be more precise and skip the "wait" call entirely. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com> Message-ID: <20250222014757.897978-6-binbin.wu@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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.