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[ Upstream commita3e340c157] The wq resources needs to be released before the kernel type is reset by __drv_disable_wq(). With dma channels unregistered and wq quiesced, all the wq resources for dmaengine can be freed. There is no need to wait until wq is disabled. With the wq->type being reset to "unknown", the driver is skipping the freeing of the resources. Fixes:0cda4f6986("dmaengine: idxd: create dmaengine driver for wq 'device'") Reported-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Tested-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/163517405099.3484556.12521975053711345244.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.