From: Avi Kivity <avi@qumranet.com>
Date: Tue, 10 Jul 2007 14:50:55 +0000 (+0300)
Subject: KVM: MMU: Store nx bit for large page shadows
X-Git-Tag: v2.6.23-rc1~205
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d55e2cb20123cdb5020ec4a2b2f1eace5038c292;p=pandora-kernel.git

KVM: MMU: Store nx bit for large page shadows

We need to distinguish between large page shadows which have the nx bit set
and those which don't.  The problem shows up when booting a newer smp Linux
kernel, where the trampoline page (which is in real mode, which uses the
same shadow pages as large pages) is using the same mapping as a kernel data
page, which is mapped using nx, causing kvm to spin on that page.

Signed-off-by: Avi Kivity <avi@qumranet.com>
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