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62eaf0ae21
This adds GuC backend support for i915_request_cancel(), which in turn makes CONFIG_DRM_I915_REQUEST_TIMEOUT work. This implementation makes use of fence while there are likely simplier options. A fence was chosen because of another feature coming soon which requires a user to block on a context until scheduling is disabled. In that case we return the fence to the user and the user can wait on that fence. v2: (Daniele) - A comment about locking the blocked incr / decr - A comments about the use of the fence - Update commit message explaining why fence - Delete redundant check blocked count in unblock function - Ring buffer implementation - Comment about blocked in submission path - Shorter rpm path v3: (Checkpatch) - Fix typos in commit message (Daniel) - Rework to simplier locking structure in guc_context_block / unblock Signed-off-by: Matthew Brost <matthew.brost@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-26-matthew.brost@intel.com |
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| arch | ||
| block | ||
| 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 | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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.