mirror of
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A mirror of the official Linux kernel repository just in case
6bd06f5a48
VFIO IOMMU type1 currently upmaps IOVA pages synchronously, which requires IOTLB flushing for every unmapping. This results in large IOTLB flushing overhead when handling pass-through devices has a large number of mapped IOVAs. This can be avoided by using the new IOTLB flushing interface. Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Joerg Roedel <joro@8bytes.org> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> [aw - use LIST_HEAD] Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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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.