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78ac1c3558
The function silently assumed that signaling was already enabled for the dma_fence_array. This meant that without enabling signaling first we would never see forward progress. Fix that by falling back to testing each individual fence when signaling isn't enabled yet. v2: add the comment suggested by Boris why this is done this way v3: fix the underflow pointed out by Tvrtko v4: atomic_read_acquire() as suggested by Tvrtko Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Tested-by: Chia-I Wu <olvaffe@gmail.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12094 Cc: <stable@vger.kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20241112121925.18464-1-christian.koenig@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.