From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
target-i386/kvm.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index ee7bdf8..7e5982b 100644
--- 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);
--
1.7.2.3
--
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