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Sean Christopherson
77b1908e10
Add a sanity check in kvm_handle_memory_failure() to assert that a valid x86_exception structure is provided if the memory "failure" wants to propagate a fault into the guest. If a memory failure happens during a direct guest physical memory access, e.g. for nested VMX, KVM hardcodes the failure to X86EMUL_IO_NEEDED and doesn't provide an exception pointer (because the exception struct would just be filled with garbage). Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20221220153427.514032-1-seanjc@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.