KVM: x86 emulator: do not inject exception directly into vcpu

Return exception as a result of instruction emulation and handle
injection in KVM code.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index a87d95f09572..51cfd730ac5d 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -216,6 +216,12 @@ struct x86_emulate_ctxt {
         int interruptibility;
 
         bool restart; /* restart string instruction after writeback */
+
+        int exception; /* exception that happens during emulation or -1 */
+        u32 error_code; /* error code for exception */
+        bool error_code_valid;
+        unsigned long cr2; /* faulted address in case of #PF */
+
         /* decode cache */
         struct decode_cache decode;
 };