5888fc9eac
From the shrinker paths, we want to relinquish the GPU and GGTT access to the object, releasing the backing storage back to the system for swapout. As a part of that process we would unpin the pages, marking them for access by the CPU (for the swapout/swapin). However, if that process was interrupted after unbind the vma, we missed a flush of the inflight GGTT writes before we made that GTT space available again for reuse, with the prospect that we would redirect them to another page. The bug dates back to the introduction of multiple GGTT vma, but the code itself dates to commit |
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README
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.