"Jaromir Dolecek" writes: > Module Name: src > Committed By: jdolecek > Date: Tue Jul 28 09:36:05 UTC 2020 > > Modified Files: > src/sys/dev/ic: nvmevar.h > src/sys/dev/pci: nvme_pci.c > > Log Message: > add a quirk to disable MSI, and enable it for Intel SSD DC P4500 > > this device seems to cause serious system responsiveness issues when > configured > to use MSI, while it works fine when configured for either INTx or MSI-X > > this is important so this works well under Xen Dom0, which doesn't > support MSI-X yet > > fixes another issue reported as feedback for PR port-xen/55285 by Frank Kardel
i wonder if the label "force_intx" should be renamed now that it can be active _after_ msi-x. can't think of a good name, "skip_to_intx" maybe useful? thanks. .mrg.
