From: Keir Fraser <keir@xensource.com>
To: Jan Beulich <jbeulich@novell.com>, xen-devel@lists.xensource.com
Subject: Re: [PATCH] x86/PAE partially linear page table support
Date: Thu, 15 Feb 2007 10:25:47 +0000 [thread overview]
Message-ID: <C1F9E5AB.9740%keir@xensource.com> (raw)
In-Reply-To: <45D438F3.76E4.0078.0@novell.com>
How do you ensure that circular references are correctly cleaned up at
domain destruction time? (i.e., A references B and B references A).
We have special destructore code to clean up all root pagetable references,
but the code isn't there for lower levels.
-- Keir
On 15/2/07 09:41, "Jan Beulich" <jbeulich@novell.com> wrote:
> While full linear page table support makes little sense (and would be more
> complicated to implement), partial linear page table support is almost
> identical
> to that in non-PAE, and is used (at least) by NetWare.
>
> Of course, the question here is whether this shouldn't be generalized - all
> validated page tables (except for top level PAE) could be allowed to be
> installed
> at lower levels using the same scheme.
>
> Signed-off-by: Jan Beulich <jbeulich@novell.com>
next prev parent reply other threads:[~2007-02-15 10:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-15 9:41 [PATCH] x86/PAE partially linear page table support Jan Beulich
2007-02-15 10:25 ` Keir Fraser [this message]
2007-02-15 11:41 ` Jan Beulich
2007-02-15 11:58 ` Keir Fraser
2007-02-15 13:08 ` Jan Beulich
2007-02-15 13:24 ` Keir Fraser
2007-02-16 9:34 ` Jan Beulich
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