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9edc52967c
When userspace opts in to VM_BIND, the submit no longer holds references keeping the VMA alive. This makes it difficult to distinguish between UMD/KMD/app bugs. So add a debug option for logging the most recent VM updates and capturing these in GPU devcoredumps. The submitqueue id is also captured, a value of zero means the operation did not go via a submitqueue (ie. comes from msm_gem_vm_close() tearing down the remaining mappings when the device file is closed. Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com> Tested-by: Antonino Maniscalco <antomani103@gmail.com> Reviewed-by: Antonino Maniscalco <antomani103@gmail.com> Patchwork: https://patchwork.freedesktop.org/patch/661518/ |
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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 reStructuredText 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.