liquidio: fix for iq and droq cnts going negative

Browse source

Flush the mmio writes before releasing spin locks.
if the maintained counts get too high > 2M force
writeback of the counts to clear them

Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Satanand Burla 2017-01-31 13:04:42 -08:00 • committed by David S. Miller

parent 1f5e29ce79

commit cdb478e5e4

4 changed files with 15 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

6

drivers/net/ethernet/cavium/liquidio/lio_main.c

View file

6

drivers/net/ethernet/cavium/liquidio/lio_vf_main.c

View file

1

drivers/net/ethernet/cavium/liquidio/liquidio_common.h

View file

4

drivers/net/ethernet/cavium/liquidio/octeon_device.c

View file