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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 10:19:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 10:19:01 +0200 |
| commit | 9749c37275cb1f72d309e676642f45eb92724190 (patch) | |
| tree | 7ecfdc655eebb56ddfee430f7f05e641ec4b49bb /block/blk-mq-pci.c | |
| parent | binder: fix incorrect cmd to binder_stat_br (diff) | |
| parent | Linux 4.13-rc7 (diff) | |
| download | linux-dev-9749c37275cb1f72d309e676642f45eb92724190.tar.xz linux-dev-9749c37275cb1f72d309e676642f45eb92724190.zip | |
Merge 4.13-rc7 into char-misc-next
We want the binder fix in here as well for testing and merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/blk-mq-pci.c')
| -rw-r--r-- | block/blk-mq-pci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/block/blk-mq-pci.c b/block/blk-mq-pci.c index 0c3354cf3552..76944e3271bf 100644 --- a/block/blk-mq-pci.c +++ b/block/blk-mq-pci.c @@ -36,12 +36,18 @@ int blk_mq_pci_map_queues(struct blk_mq_tag_set *set, struct pci_dev *pdev) for (queue = 0; queue < set->nr_hw_queues; queue++) { mask = pci_irq_get_affinity(pdev, queue); if (!mask) - return -EINVAL; + goto fallback; for_each_cpu(cpu, mask) set->mq_map[cpu] = queue; } return 0; + +fallback: + WARN_ON_ONCE(set->nr_hw_queues > 1); + for_each_possible_cpu(cpu) + set->mq_map[cpu] = 0; + return 0; } EXPORT_SYMBOL_GPL(blk_mq_pci_map_queues); |