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1930e5ddce
commit66570e966d("kvm: x86: only provide PV features if enabled in guest's CPUID") only protects against disallowed guest writes to KVM paravirtual msrs, leaving msr reads unchecked. Fix this by enforcing KVM_CPUID_FEATURES for msr reads as well. Fixes:66570e966d("kvm: x86: only provide PV features if enabled in guest's CPUID") Signed-off-by: Oliver Upton <oupton@google.com> Reviewed-by: Peter Shier <pshier@google.com> Message-Id: <20201027231044.655110-4-oupton@google.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.