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Sean Christopherson efaaabc6c6 KVM: nVMX: Rely on kvm_vcpu_unmap() to track validity of eVMCS mapping
Remove the explicit evmptr12 validity check when deciding whether or not
to unmap the eVMCS pointer, and instead rely on kvm_vcpu_unmap() to play
nice with a NULL map->hva, i.e. to do nothing if the map is invalid.

Note, vmx->nested.hv_evmcs_map is zero-allocated along with the rest of
vcpu_vmx, i.e. the map starts out invalid/NULL.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-24-seanjc@google.com>
History 2024-10-25 12:57:59 -04:00
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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.