i40e: move I40E_FLAG_UDP_FILTER_SYNC to the state field

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This flag is modified during run time, possibly even when the RTNL lock
is not held. Additionally it has a few places which should be using
test_and_set or test_and_clear atomic bit operations.

Create a new state bit __I40E_UDP_SYNC_PENDING and use it instead of the
ole I40E_FLAG_UDP_FILTER_SYNC flag.

This is part of a larger effort to remove the need for using cmpxchg64
in i40e_set_priv_flags.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

...

This commit is contained in:

Jacob Keller 2018-03-16 01:26:31 -07:00 • committed by Jeff Kirsher

parent bfe040c385

commit 41898c66ef

2 changed files with 6 additions and 7 deletions

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3

drivers/net/ethernet/intel/i40e/i40e.h

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10

drivers/net/ethernet/intel/i40e/i40e_main.c

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