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| author | Kevin Wolf <kwolf@redhat.com> | 2012-02-08 14:34:39 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-03-08 14:10:27 +0200 |
| commit | 66b0ab8fac1031ffc70eb77491048339f2717a54 (patch) | |
| tree | d323e068a9f6a95fb46c2fc41b66c3a9ed0c90d4 /arch/x86/kvm | |
| parent | 7f3d35fddd173e52886d03bc34b5b5d6f5bea343 (diff) | |
| download | linux-stable-66b0ab8fac1031ffc70eb77491048339f2717a54.tar.gz linux-stable-66b0ab8fac1031ffc70eb77491048339f2717a54.tar.bz2 linux-stable-66b0ab8fac1031ffc70eb77491048339f2717a54.zip | |
KVM: x86 emulator: VM86 segments must have DPL 3
Setting the segment DPL to 0 for at least the VM86 code segment makes
the VM entry fail on VMX.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index fa310a48591c..b19e9fffe582 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1244,6 +1244,8 @@ static int load_segment_descriptor(struct x86_emulate_ctxt *ctxt, seg_desc.type = 3; seg_desc.p = 1; seg_desc.s = 1; + if (ctxt->mode == X86EMUL_MODE_VM86) + seg_desc.dpl = 3; goto load; } |