i40evf: invite vector 0 to the interrupt party

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The i40evf_irq_enable and i40evf_fire_sw_interrupt functions were
unfairly discriminating against MSI-X vector 0, just because it doesn't
handle traffic. That doesn't mean it's not essential to the operation of
the driver. This change allows the watchdog to fire vector 0 via
software, which makes the driver tolerant of dropped interrupts on that
vector.

Buck up, vector 0! You can be part of our gang!

Change-ID: I37131d955018a6b3e711e1732d21428acd0d767e
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Mitch Williams 2014-06-04 08:45:19 +00:00 • committed by Jeff Kirsher

parent 56497978bc

commit 164ec1bfa1

1 changed files with 7 additions and 0 deletions

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drivers/net/ethernet/intel/i40evf/i40evf_main.c

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