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Linux kernel source tree
ce62827bc2
The current code is running into a use after free case where xe file is
closed before the exec queue run_ticks can be updated. This is occurring
in the xe_file_close path. To fix that, do not access xe file when
updating the exec queue run_ticks. Instead store the exec queue run_ticks
locally in the exec queue object and accumulate it when the user dumps
the drm client stats. We know that the xe file is valid when user is
dumping the run_ticks for the drm client, so this effectively
removes the dependency on xe file object in
xe_exec_queue_update_run_ticks().
v2:
- Fix the accumulation of q->run_ticks delta into xe file run_ticks
- s/runtime/run_ticks/ (Rodrigo)
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1908
Fixes:
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||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.