e1000: convert to private mutex from rtnl
The e1000 driver when running with lockdep could run into some possible deadlocks between the work items acquiring rtnl and the rtnl lock being acquired before work items were cancelled. Use a private mutex to make sure lock ordering isn't violated. The private mutex is only used to protect areas not generally covered by the rtnl lock already. Signed-off-by: NJesse Brandeburg <jesse.brandeburg@intel.com> CC: Thomas Gleixner <tglx@linutronix.de> CC: Tushar Dave <tushar.n.dave@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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