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| author | Liu, Jinsong <jinsong.liu@intel.com> | 2011-12-06 11:28:04 +0000 |
|---|---|---|
| committer | Liu, Jinsong <jinsong.liu@intel.com> | 2011-12-06 11:28:04 +0000 |
| commit | 7de3c6981cd882df78ced5b1542889c78e3a5b53 (patch) | |
| tree | 3ef4dfc28da972254c5518ab5a209f3010b85735 /tools/libxc/xc_cpuid_x86.c | |
| parent | 25050f53be29518a3c9bdd0628333cd3121d2750 (diff) | |
| download | xen-7de3c6981cd882df78ced5b1542889c78e3a5b53.tar.gz xen-7de3c6981cd882df78ced5b1542889c78e3a5b53.tar.bz2 xen-7de3c6981cd882df78ced5b1542889c78e3a5b53.zip | |
X86: Disable PCID/INVPCID for pv
This patch disable PCID/INVPCID for pv.
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Committed-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'tools/libxc/xc_cpuid_x86.c')
| -rw-r--r-- | tools/libxc/xc_cpuid_x86.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/libxc/xc_cpuid_x86.c b/tools/libxc/xc_cpuid_x86.c index ccd73501ea..7b6b439e3b 100644 --- a/tools/libxc/xc_cpuid_x86.c +++ b/tools/libxc/xc_cpuid_x86.c @@ -485,6 +485,7 @@ static void xc_cpuid_pv_policy( } clear_bit(X86_FEATURE_XTPR, regs[2]); clear_bit(X86_FEATURE_PDCM, regs[2]); + clear_bit(X86_FEATURE_PCID, regs[2]); clear_bit(X86_FEATURE_DCA, regs[2]); set_bit(X86_FEATURE_HYPERVISOR, regs[2]); break; |