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| author | Stephen M. Cameron <scameron@beardog.cce.hp.com> | 2014-05-29 10:53:02 -0500 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-06-02 09:54:54 +0200 |
| commit | f89439bc2e12a0eab57f15411e668525dc7e61ec (patch) | |
| tree | 52287d94870b9521969374a4fc866e39fd92add0 /drivers/scsi | |
| parent | 7b9235ee19aa7405d91f00a3e1668029cbf4a463 (diff) | |
| download | linux-f89439bc2e12a0eab57f15411e668525dc7e61ec.tar.gz linux-f89439bc2e12a0eab57f15411e668525dc7e61ec.tar.bz2 linux-f89439bc2e12a0eab57f15411e668525dc7e61ec.zip | |
hpsa: choose number of reply queues more intelligently.
No sense having 8 or 16 reply queues if you only have 4 cpus,
and likewise no sense limiting to 8 reply queues if you have
many more cpus.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Mike Miller <michael.miller@canonical.com>
Reviewed-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/hpsa.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index a02d26a395e3..87066954a859 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6164,6 +6164,8 @@ static void hpsa_interrupt_mode(struct ctlr_info *h) if (pci_find_capability(h->pdev, PCI_CAP_ID_MSIX)) { dev_info(&h->pdev->dev, "MSIX\n"); h->msix_vector = MAX_REPLY_QUEUES; + if (h->msix_vector > num_online_cpus()) + h->msix_vector = num_online_cpus(); err = pci_enable_msix(h->pdev, hpsa_msix_entries, h->msix_vector); if (err > 0) { diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index db89245e0776..104b67b83d28 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -615,7 +615,7 @@ struct TransTable_struct { u32 RepQCount; u32 RepQCtrAddrLow32; u32 RepQCtrAddrHigh32; -#define MAX_REPLY_QUEUES 8 +#define MAX_REPLY_QUEUES 64 struct vals32 RepQAddr[MAX_REPLY_QUEUES]; }; |