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Nirmoy Das 4e8b5a1651 drm/xe/ufence: ufence can be signaled right after wait_woken
do_comapre() can return success after a timedout wait_woken() which was
treated as -ETIME. The loop calling wait_woken() sets correct err so
there is no need to re-evaluate err.

v2: Remove entire check that reevaluate err at the end(Matt)

Fixes: e670f0b4ef ("drm/xe/uapi: Return correct error code for xe_wait_user_fence_ioctl")
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1630
Cc: stable@vger.kernel.org # v6.8+
Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241011151029.4160630-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
(cherry picked from commit ec7e6a1d52)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
History 2024-10-16 09:00:22 -05:00
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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.