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authorKeith Busch <keith.busch@intel.com>2017-07-20 19:33:54 -0400
committerBjorn Helgaas <bhelgaas@google.com>2017-08-03 16:51:19 -0500
commitf2586c678cb29f40a37c9c88a22b13d35484ffdc (patch)
tree69178aed7fe474cea79029c919956d17dc6ca64b /kernel/hung_task.c
parent37d7f818a4629ebbb94c2c092c533a437ba7f95c (diff)
PCI: vmd: Assign vector zero to all bridges
We don't want slower IRQ handlers impacting faster devices that happen to be assigned the same VMD interrupt vector. The driver was trying to separate such devices by checking if MSI-X wasn't used, but really we just don't want endpoint devices to share with bridges. Most bridges may use MSI currently, so that criteria happened to work, but newer ones may use MSI-X, so this patch explicitly checks the device type when choosing a vector. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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