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Currently KVM setup posted interrupt VMCS only depending on per-vcpu APICv activation status at the vCPU creation time. However, this status can be toggled dynamically under some circumstance. So potentially, later posted interrupt enabling may be problematic without VMCS readiness. To fix this, always settle the VMCS setting for posted interrupt as long as APICv is available and lapic locates in kernel. Signed-off-by: Zeng Guang <guang.zeng@intel.com> Message-Id: <20220315145836.9910-1-guang.zeng@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 Restructured Text 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.