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f650a95b71
This patch fixes a bug which led to a crash during hard reset flow. Before a hard reset is executed, we wait a few seconds for the user context cleanup to complete. If it wasn't completed, we kill the user process and move on to the reset flow. Upon killing the user process, the context cleanup flow begins and may take a while due to MMU unmaps. Meanwhile, in the driver reset flow, we change the PCI DRAM bar location which can interfere with the MMU that uses the bar. If the context cleanup flow didn't finish quickly, a crash may occur due to PCI DRAM bar mislocation during the MMU unmap. Hence adding a wait between killing the user process and the start of the reset flow. Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
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| COPYING | ||
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| 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 Restructured Text 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.