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Limit 24xx adapters to only one MSI-X interrupt by default.

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These are 4Gb/s and pretty old and slow now, so I see no reason to fight
for their performance over stability.

PR:		233654
MFC after:	1 week
Sponsored by:	iXsystems, Inc.
This commit is contained in:
Alexander Motin 2019-02-28 15:36:03 +00:00
parent 17ec774693
commit 8ebb14b1c6
1 changed files with 1 additions and 1 deletions
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2
sys/dev/isp/isp_pci.c
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@ -1910,7 +1910,7 @@ isp_pci_irqsetup(ispsoftc_t *isp)
ISP_UNLOCK(isp);
if (ISP_CAP_MSIX(isp)) {
max_irq = IS_26XX(isp) ? 3 : 2;
max_irq = IS_26XX(isp) ? 3 : (IS_25XX(isp) ? 2 : 1);
resource_int_value(device_get_name(dev),
device_get_unit(dev), "msix", &max_irq);
max_irq = imin(ISP_MAX_IRQS, max_irq);