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24af523936The struct_mutex will be removed from the DRM subsystem, as it was a legacy BKL that was only used by i915 driver. After review, it was concluded that its usage was no longer necessary This patch updates various comments in the i915/gem and i915/gt codebase to either remove or clarify references to struct_mutex, in order to prevent future misunderstandings. * i915_gem_execbuffer.c: Replace reference to struct_mutex with vm->mutex, as noted in the eb_reserve() function, which states that vm->mutex handles deadlocks. * i915_gem_object.c: Change struct_mutex by drm_i915_gem_object->vma.lock. i915_gem_object_unbind() in i915_gem.c states that this lock is who actually protects the unbind. * i915_gem_shrinker.c: The correct lock is actually i915->mm.obj, as already documented in its declaration. * i915_gem_wait.c: The existing comment already mentioned that struct_mutex was no longer necessary. Updated to refer to a generic global lock instead. * intel_reset_types.h: Cleaned up the comment text. Updated to refer to a generic global lock instead. Signed-off-by: Luiz Otavio Mello <luiz.mello@estudante.ufscar.br> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://lore.kernel.org/r/20250908131518.36625-6-luiz.mello@estudante.ufscar.br Acked-by: Tvrtko Ursulin <tursulin@ursulin.net> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> |
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| 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.