From: Keir Fraser <keir.fraser@eu.citrix.com>
To: "Jiang, Yunhong" <yunhong.jiang@intel.com>,
Tim Deegan <Tim.Deegan@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH]Add a flag for shadow pages
Date: Wed, 04 Mar 2009 09:20:38 +0000 [thread overview]
Message-ID: <C5D3F866.412A%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <E2263E4A5B2284449EEBD0AAB751098401C7C9DCFC@PDSMSX501.ccr.corp.intel.com>
On 04/03/2009 08:46, "Jiang, Yunhong" <yunhong.jiang@intel.com> wrote:
> Currently we don't know that a page is a shadow page unless we are in shadow
> handler. This cause error when we try to get the page owner for the shadow
> page, this snippet add a flag to it.
Ah... Is this for your new page-offlining magic? You don't need it. If you
can't get_page(get_page_owner()) then that tells you the page has no owner,
or the owner changed under your feet. Pretty simple.
-- Keir
prev parent reply other threads:[~2009-03-04 9:20 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-04 8:46 [PATCH]Add a flag for shadow pages Jiang, Yunhong
2009-03-04 9:06 ` Keir Fraser
2009-03-04 9:17 ` Jiang, Yunhong
2009-03-04 9:22 ` Keir Fraser
2009-03-04 9:28 ` Jiang, Yunhong
2009-03-04 9:56 ` Keir Fraser
2009-03-04 11:57 ` Keir Fraser
2009-03-04 12:13 ` Tim Deegan
2009-03-04 13:19 ` Keir Fraser
2009-03-04 14:30 ` Keir Fraser
2009-03-04 16:01 ` Jiang, Yunhong
2009-03-04 16:32 ` Gianluca Guida
2009-03-05 2:41 ` Jiang, Yunhong
2009-03-04 16:45 ` Keir Fraser
2009-03-04 9:20 ` Keir Fraser [this message]
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