Re: sparc64 question.. Anyone out there?

From: Jake Burkholder <jake_at_locore.ca>
Date: Thu, 20 May 2004 00:18:24 -0400
> > I'm not convinced that this is valid..
> > consider..
> > When you cycle through the processors above and remove the pointers to
> > the vmspace, then proceed to destroy this vmspace, there is nothing done
> > to make sure that the other procerssors are actually
> > not USING  the page tables etc. associated with the vmspace.

The reference count on the vmspace.

> > 
> > If we reclame the page tables.. surely there is a danger that another
> > cpu by still be using them?

No because there is only one kernel page table and all cpus start using
it implicitly when they enter the kernel.

Jake
Received on Wed May 19 2004 - 19:19:04 UTC

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