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0ab2d7532b
The ROCm debugger will attach to a process to debug by PTRACE and will expect the KFD to prepare a process for the target PID, whether the target PID has opened the KFD device or not. This patch is to explicity handle this requirement. Further HW mode setting and runtime coordination requirements will be handled in following patches. In the case where the target process has not opened the KFD device, a new KFD process must be created for the target PID. The debugger as well as the target process for this case will have not acquired any VMs so handle process restoration to correctly account for this. To coordinate with HSA runtime, the debugger must be aware of the target process' runtime enablement status and will copy the runtime status information into the debugged KFD process for later query. On enablement, the debugger will subscribe to a set of exceptions where each exception events will notify the debugger through a pollable FIFO file descriptor that the debugger provides to the KFD to manage. Finally on process termination of either the debugger or the target, debugging must be disabled if it has not been done so. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| 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 | ||
| .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 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.