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ec91698360
linux/drivers/net/ethernet/intel/ixgbe
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Eric Dumazet ec91698360 ixgbe: fix race accessing page->_count 
This is illegal to use atomic_set(&page->_count, 2) even if we 'own'
the page. Other entities in the kernel need to use get_page_unless_zero()
to get a reference to the page before testing page properties, so we could
loose a refcount increment.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-10 15:37:28 -04:00
..
ixgbe_82598.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_82599.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_common.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_common.h ixgbe: clean up checkpatch warnings about CODE_INDENT and LEADING_SPACE 2014-05-23 05:24:04 -07:00
ixgbe_dcb_82598.c ixgbe: convert low_water into an array 2014-04-22 23:07:11 -07:00
ixgbe_dcb_82598.h ixgbe: update date to 2013 2013-02-05 01:44:13 -08:00
ixgbe_dcb_82599.c ixgbe: convert low_water into an array 2014-04-22 23:07:11 -07:00
ixgbe_dcb_82599.h ixgbe: clean up checkpatch warnings about CODE_INDENT and LEADING_SPACE 2014-05-23 05:24:04 -07:00
ixgbe_dcb_nl.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_dcb.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_dcb.h IXGBE: Set the SW prio_tc values at initialization to the HW setting. 2013-05-21 03:14:21 -07:00
ixgbe_debugfs.c ixgbe: don't check NULL for debugfs_remove_recursive 2014-05-23 05:28:24 -07:00
ixgbe_ethtool.c ixgbe: fix setting of TXDCTL.WTRHESH when ITR is set to 0 and no BQL 2014-10-02 02:17:42 -07:00
ixgbe_fcoe.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_fcoe.h ixgbe: convert low_water into an array 2014-04-22 23:07:11 -07:00
ixgbe_lib.c ixgbe: add warnings for other disabled features without MSI-X support 2014-09-18 04:42:48 -07:00
ixgbe_main.c ixgbe: fix race accessing page->_count 2014-10-10 15:37:28 -04:00
ixgbe_mbx.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe_mbx.h ixgbe: clean up checkpatch warnings about CODE_INDENT and LEADING_SPACE 2014-05-23 05:24:04 -07:00
ixgbe_phy.c ixgbe: remove wait loop on autoneg for copper devices 2014-10-02 02:11:13 -07:00
ixgbe_phy.h ixgbe: clean up checkpatch warnings about CODE_INDENT and LEADING_SPACE 2014-05-23 05:24:04 -07:00
ixgbe_ptp.c ixgbe: change PTP NSECS_PER_SEC to IXGBE_PTP_PPS_HALF_SECOND 2014-07-01 02:48:39 -07:00
ixgbe_sriov.c ixgbe: limit combined total of macvlan and SR-IOV VFs 2014-09-04 01:38:33 -07:00
ixgbe_sriov.h net-next:v4: Add support to configure SR-IOV VF minimum and maximum Tx rate through ip tool. 2014-05-23 15:04:02 -04:00
ixgbe_sysfs.c ixgbe: add Linux NICS mailing list to contact info 2014-03-12 19:05:30 -07:00
ixgbe_type.h ixgbe: reset interface on link loss with pending Tx work from the VF 2014-09-04 01:38:32 -07:00
ixgbe_x540.c ixgbe: Make return values more direct 2014-07-25 19:58:36 -07:00
ixgbe.h ixgbe: delete one duplicate marcro definition of IXGBE_MAX_L2A_QUEUES 2014-10-02 02:24:08 -07:00
Makefile ixgbe: update date to 2013 2013-02-05 01:44:13 -08:00