i40e: move I40E_FLAG_FILTER_SYNC to a state bit
The I40E_FLAG_FILTER_SYNC flag is modified during run time possibly when the RTNL lock is not held. Thus, it should not be part of pf->flags, and instead should be using atomic bit operations in the pf->state field. Create a __I40E_MACVLAN_SYNC_PENDING state bit, and use it instead of the old I40E_FLAG_FILTER_SYNC flag. This is part of a larger effort to remove the need for 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>
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