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[ Upstream commit6082d9c9c9] Adding the vector offset when calling to mlx5_vector2eqn() is wrong. This is because mlx5_vector2eqn() checks if EQ index is equal to vector number and the fact that the internal completion vectors that mlx5 allocates don't get an EQ index. The second problem here is that using effective_affinity_mask gives the same CPU for different vectors. This leads to unmapped queues when calling it from blk_mq_rdma_map_queues(). This doesn't happen when using affinity_hint mask. Fixes:2572cf57d7("mlx5: fix mlx5_get_vector_affinity to start from completion vector 0") Fixes:05e0cc84e0("net/mlx5: Fix get vector affinity helper function") Signed-off-by: Israel Rukshin <israelr@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.