From: Samuel Thibault <samuel.thibault@eu.citrix.com>
To: Xen-devel@lists.xensource.com
Subject: Really need to pin page tables?
Date: Tue, 27 May 2008 11:17:04 +0100 [thread overview]
Message-ID: <20080527101704.GN4335@implementation.uk.xensource.com> (raw)
Hello,
In extras/mini-os/arch/x86/mm.c:new_pt_frame, Mini-OS pins its L1,
L2, and L3 page tables. Does that really make a difference from the
Hypervisor point of view? I mean, once L4 is pinned, pointing to these,
and thus their content has been checked, is there any performance
difference?
Samuel
next reply other threads:[~2008-05-27 10:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 10:17 Samuel Thibault [this message]
2008-05-27 10:47 ` Really need to pin page tables? Keir Fraser
2008-05-27 10:49 ` Jeremy Fitzhardinge
2008-05-27 10:58 ` [PATCH] minios: do not pin page tables [was: Really need to pin page tables?] Samuel Thibault
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