Displaying 2 results from an estimated 2 matches for "exit_reason_msr_read".
2012 Mar 15
1
make clear a vmexit reason
Hi,
Lately I was puzzled by a vmexit reason 31 which was defined
as EXIT_REASON_MSR_READ
I allocated an array in xen data section and assigned its MFN to an EPT
entry of a domainU,
I thought the domU could access this array but after that the domainU
crashed
and xen gave me this exit reason "Bad vmexit (reason 31)"
But there is nothing to do with MSR READ, so I''m co...
2013 Oct 30
3
[PATCH 4/4] XSA-60 security hole: flush cache when vmentry back to UC guest
From 159251a04afcdcd8ca08e9f2bdfae279b2aa5471 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@intel.com>
Date: Thu, 31 Oct 2013 06:38:15 +0800
Subject: [PATCH 4/4] XSA-60 security hole: flush cache when vmentry back to UC guest
This patch flush cache when vmentry back to UC guest, to prevent
cache polluted by hypervisor access guest memory during UC mode.
The elegant way to do this