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Arvind Yadav
38c67ec9aa
This patch adds input fences to VM_IOCTL for buffer object. The kernel will map/unmap the BO only when the fence is signaled. The UAPI for the same has been approved here: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/392 V2: Bug fix (Arvind) V3: Bug fix (Arvind) V4: Rename UAPI objects as per UAPI review (Marek) V5: Addressed review comemnts from Christian - function should return error. - Add 'TODO' comment - The input fence should be independent of the operation. V6: Addressed review comemnts from Christian - Release the memory allocated by memdup_user(). V7: Addressed review comemnts from Christian - Drop the debug print and add "return r;" for the error handling. V11: Rebase v12: Fix 32-bit holes issue in sturct drm_amdgpu_gem_va. v13: Fix deadlock issue. v14: Fix merge conflict. v15: Fix review comment by renaming syncobj handles. Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian Koenig <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Arvind Yadav <arvind.yadav@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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.