From: Jacob Gorm Hansen <jacobg@diku.dk>
To: xen-devel <xen-devel@lists.xensource.com>
Subject: DOM0_GETPAGEFRAMEINFO for non-dom0 domains
Date: Tue, 16 Aug 2005 17:23:13 +0200 [thread overview]
Message-ID: <430204E1.3030006@diku.dk> (raw)
hi,
with writable page tables it takes a little more work tracking page
types from within a domU. Basically, I need to duplicate Xen's pgd walks
when pinning and unpinning pgds, within the domU, in order to obtain a
consistent map of page types for my own pages.
It seems it would be a lot easier just to allow domUs access to a
DOM0_GETPAGEFRAMEINFO-like hypercall that would extract this info from
Xen. Would you consider merging a patch to do this, and how/where would
you prefer it to be implemented?
thanks,
Jacob
next reply other threads:[~2005-08-16 15:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-16 15:23 Jacob Gorm Hansen [this message]
2005-08-16 15:40 ` DOM0_GETPAGEFRAMEINFO for non-dom0 domains Keir Fraser
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