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d78e538b65
[ Upstream commit 6fa2942578472c9cab13a8fc1dae0d830193e0a1 ]
The current implementation of the Tx scheduler tree attempts
to create nodes for all Tx queues, ignoring the fact that some
queues may already exist in the tree. For example, if the VSI
already has 128 Tx queues and the user requests for 16 new queues,
the Tx scheduler will compute the tree for 272 queues (128 existing
queues + 144 new queues), instead of 144 queues (128 existing queues
and 16 new queues).
Fix that by modifying the node count calculation algorithm to skip
the queues that already exist in the tree.
Fixes: 5513b920a4 ("ice: Update Tx scheduler tree for VSI multi-Tx queue support")
Reviewed-by: Dawid Osuchowski <dawid.osuchowski@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Jesse Brandeburg <jbrandeburg@cloudflare.com>
Tested-by: Saritha Sanigani <sarithax.sanigani@intel.com> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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.