diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2010-12-27 15:56:44 +0100 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2011-01-21 14:05:22 -0200 |
| commit | acaa75507b34f7b588924a09c76c6848d209e08c (patch) | |
| tree | 84471d3b336a0b42f58b39aa05a0ca2e6ecdbb60 /target-i386/kvm.c | |
| parent | 7cc2cc3e2608b182f1e0fc7ecae6e3b1fa4f46e0 (diff) | |
| download | qemu-acaa75507b34f7b588924a09c76c6848d209e08c.tar.gz | |
kvm: x86: Fix DPL write back of segment registers
The DPL is stored in the flags and not in the selector. In fact, the RPL
may differ from the DPL at some point in time, and so we were corrupting
the guest state so far.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'target-i386/kvm.c')
| -rw-r--r-- | target-i386/kvm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 9a4bf98831..ee7bdf8012 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -602,7 +602,7 @@ static void set_seg(struct kvm_segment *lhs, const SegmentCache *rhs) lhs->limit = rhs->limit; lhs->type = (flags >> DESC_TYPE_SHIFT) & 15; lhs->present = (flags & DESC_P_MASK) != 0; - lhs->dpl = rhs->selector & 3; + lhs->dpl = (flags >> DESC_DPL_SHIFT) & 3; lhs->db = (flags >> DESC_B_SHIFT) & 1; lhs->s = (flags & DESC_S_MASK) != 0; lhs->l = (flags >> DESC_L_SHIFT) & 1; |