ACPI: processor: Use CPUIDLE_FLAG_TLB_FLUSHED
Make acpi_processor_idle() use the generic TLB flushing code. This again removes RCU usage after rcu_idle_enter(). (XXX make every C3 invalidate TLBs, not just C3-BM) Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Tested-by: NBorislav Petkov <bp@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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