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(parent: e382dff) | patch
x86/PCI: VMD: Separate MSI and MSI-X vector sharing
authorKeith Busch <keith.busch@intel.com>
Mon, 20 Jun 2016 15:39:53 +0000 (09:39 -0600)
committerBjorn Helgaas <bhelgaas@google.com>
Mon, 20 Jun 2016 19:41:16 +0000 (14:41 -0500)
commit9c2053040ca7ae52f1143a47ae84502aa7970438
treea875234d3475cf90d28ef09ad8cdb01090803309tree | snapshot
parente382dffc904d14cb6e2c31e2eefebdca41343943commit | diff
x86/PCI: VMD: Separate MSI and MSI-X vector sharing

Child devices in a VMD domain that want to use MSI are slowing down MSI-X
using devices sharing the same vectors.  Move all MSI usage to a single VMD
vector, and MSI-X devices can share the rest.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jon Derrick <jonathan.derrick@intel.com>
arch/x86/pci/vmd.c diff | blob | history
Linux kernel for KaRo TX COM modules