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This reverts commitd06923670b. It was realized that the fix implemented to contain the race condition among the keep alive task and the fabric shutdown code path in the commit d06923670b5ia ("nvme: make keep-alive synchronous operation") is not optimal. The reason being keep-alive runs under the workqueue and making it synchronous would waste a workqueue context. Furthermore, we later found that the above race condition is a regression caused due to the changes implemented in commita54a93d0e3("nvme: move stopping keep-alive into nvme_uninit_ctrl()"). So we decided to revert the commitd06923670b("nvme: make keep-alive synchronous operation") and then fix the regression. Link: https://lore.kernel.org/all/196f4013-3bbf-43ff-98b4-9cb2a96c20c2@grimberg.me/ Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Nilay Shroff <nilay@linux.ibm.com> Signed-off-by: Keith Busch <kbusch@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 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.