https://github.com/torvalds/linux
Revision 5809a1ae77721931ca7bd7aeacb37fdabe6f07c0 authored by Greg Rose on 24 March 2010, 09:36:08 UTC, committed by David S. Miller on 26 March 2010, 18:56:01 UTC
VFs running in guest VMs do not respond in as timely a manner to
PF indication it is going down as they do when running in the host
domain.  If the adapter is in SR-IOV mode insert a two second delay
to guarantee that all VFs have had time to respond to the PF reset.
In any case resetting the PF while VFs are active should be
discouraged but if it must be done then there will be a two
second delay to help synchronize resets among the PF and all the
VFs.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 65deeed
History
Tip revision: 5809a1ae77721931ca7bd7aeacb37fdabe6f07c0 authored by Greg Rose on 24 March 2010, 09:36:08 UTC
ixgbe: In SR-IOV mode insert delay before bring the adapter up
Tip revision: 5809a1a
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