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When using device passthrough with SME active, the MMIO range that is mapped for the device should not be mapped encrypted. Add a check in set_spte() to insure that a page is not mapped encrypted if that page is a device MMIO page as indicated by kvm_is_mmio_pfn(). Cc: <stable@vger.kernel.org> # 4.14.x- Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.