From mboxrd@z Thu Jan  1 00:00:00 1970
From: Manfred Spraul <manfred@colorfullife.com>
Date: Thu, 31 Aug 2000 22:28:56 +0000
Subject: Re: [Linux-ia64] SMP TLB flushes
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To: linux-ia64@vger.kernel.org

Stephan.Zeisset@intel.com wrote:
> 
> As for the ptc.g, the region id comes from the region register that
> is selected through bits [63:61] of the address.
> 

That means flush_tlb_range on SMP should

* acquire ptcg_lock
* change the region register to mm->...
* ptc.g
* restore the region register from current->active_mm->...
* release the spinlock.


Thanks for your answer,

	Manfred