Date: Thu, 28 Feb 2019 15:36:03 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344661 - head/sys/dev/isp Message-ID: <201902281536.x1SFa3Tb015486@repo.freebsd.org>
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Author: mav Date: Thu Feb 28 15:36:03 2019 New Revision: 344661 URL: https://svnweb.freebsd.org/changeset/base/344661 Log: Limit 24xx adapters to only one MSI-X interrupt by default. 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. Modified: head/sys/dev/isp/isp_pci.c Modified: head/sys/dev/isp/isp_pci.c ============================================================================== --- head/sys/dev/isp/isp_pci.c Thu Feb 28 15:24:00 2019 (r344660) +++ head/sys/dev/isp/isp_pci.c Thu Feb 28 15:36:03 2019 (r344661) @@ -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);
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