Sean Christopherson 15fe455dd1 KVM: nVMX: Add consistency check for TPR_THRESHOLD[31:4]!=0 without VID
Add a missing consistency check on the TPR Threshold.  Per the SDM

  If the "use TPR shadow" VM-execution control is 1 and the "virtual-
  interrupt delivery" VM-execution control is 0, bits 31:4 of the TPR
  threshold VM-execution control field must be 0.

Note, nested_vmx_check_tpr_shadow_controls() bails early if "use TPR
shadow" is 0.

Link: https://lore.kernel.org/r/20250919005955.1366256-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2025-10-17 15:11:26 -07:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-10-12 13:42:36 -07:00
2024-03-18 03:36:32 -06:00

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.
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