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path: root/block/blk-mq-pci.c
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2017-08-18blk-mq-pci: add a fallback when pci_irq_get_affinity returns NULLChristoph Hellwig1-1/+7
While pci_irq_get_affinity should never fail for SMP kernel that implement the affinity mapping, it will always return NULL in the UP case, so provide a fallback mapping of all queues to CPU 0 in that case. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: stable@vger.kernel.org Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-03-29blk-mq-pci: Fix two spelling mistakesSagi Grimberg1-1/+1
Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-19blk_mq: linux/blk-mq.h does not include all the headers it depends onStephen Rothwell1-0/+2
and building block/blk-mq-pci.o should depend on CONFIG_BLOCK Fixes: 973c4e372c8f ("blk-mq: provide a default queue mapping for PCI device") Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-15blk-mq: provide a default queue mapping for PCI deviceChristoph Hellwig1-0/+45
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>