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mpt2sas: Added driver module parameter max_msix_vectors
Added driver module parameter max_msix_vectors. Using this
module parameter the maximum number of MSI-X vectors could be set.
The number of MSI-X vectors used would be the minimum of MSI-X vectors
supported by the HBA, the number of CPU cores and the value set to
max_msix_vectors module parameters.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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