kvm: x86: Remove obsolete SS.RPL/DPL aligment

This seems to date back to the days KVM didn't support real mode. The
check is no longer needed and, even worse, is corrupting the guest state
in case SS.RPL != DPL.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index ee7bdf801234b14834f563f9e25bc5573e800811..7e5982b132fdcc01d3d10b1cc22d62af3f38a246 100644 (file)
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -780,13 +780,6 @@ static int kvm_put_sregs(CPUState *env)
            set_seg(&sregs.fs, &env->segs[R_FS]);
            set_seg(&sregs.gs, &env->segs[R_GS]);
            set_seg(&sregs.ss, &env->segs[R_SS]);
-
-           if (env->cr[0] & CR0_PE_MASK) {
-               /* force ss cpl to cs cpl */
-               sregs.ss.selector = (sregs.ss.selector & ~3) |
-                       (sregs.cs.selector & 3);
-               sregs.ss.dpl = sregs.ss.selector & 3;
-           }
     }
 
     set_seg(&sregs.tr, &env->tr);