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KVM: x86: raise invalid TSS exceptions during a task switch
author
Paolo Bonzini
<pbonzini@redhat.com>
Mon, 18 Aug 2014 11:17:00 +0000
(13:17 +0200)
committer
Paolo Bonzini
<pbonzini@redhat.com>
Tue, 19 Aug 2014 13:12:28 +0000
(15:12 +0200)
Conditions that would usually trigger a general protection fault should
instead raise #TS.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/emulate.c
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diff --git
a/arch/x86/kvm/emulate.c
b/arch/x86/kvm/emulate.c
index
03954f7
..
ef29791
100644
(file)
--- a/
arch/x86/kvm/emulate.c
+++ b/
arch/x86/kvm/emulate.c
@@
-1468,7
+1468,7
@@
static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
return ret;
err_code = selector & 0xfffc;
- err_vec = GP_VECTOR;
+ err_vec =
in_task_switch ? TS_VECTOR :
GP_VECTOR;
/* can't load system descriptor into segment selector */
if (seg <= VCPU_SREG_GS && !seg_desc.s)