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05e0cc84e0
mlx5_get_vector_affinity used to call pci_irq_get_affinity and after reverting the patch that sets the device affinity via PCI_IRQ_AFFINITY API, calling pci_irq_get_affinity becomes useless and it breaks RDMA mlx5 users. To fix this, this patch provides an alternative way to retrieve IRQ vector affinity using legacy IRQ API, following smp_affinity read procfs implementation. Fixes:231243c827("Revert mlx5: move affinity hints assignments to generic code") Fixes:a435393aca("mlx5: move affinity hints assignments to generic code") Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>