kvm: x86: Use separate exception_injected CPUState field
Marcelo correctly remarked that there are usage conflicts between QEMU
core code and KVM /wrt exception_index. So spend a separate field and
also save/restore it properly.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 9ef1be4..afb4da5 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -694,6 +694,7 @@
/* For KVM */
uint32_t mp_state;
+ int32_t exception_injected;
int32_t interrupt_injected;
uint8_t soft_interrupt;
uint8_t nmi_injected;
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 53955b4..de79eb7 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -720,8 +720,8 @@
return 0;
}
- events.exception.injected = (env->exception_index >= 0);
- events.exception.nr = env->exception_index;
+ events.exception.injected = (env->exception_injected >= 0);
+ events.exception.nr = env->exception_injected;
events.exception.has_error_code = env->has_error_code;
events.exception.error_code = env->error_code;
@@ -755,7 +755,7 @@
if (ret < 0) {
return ret;
}
- env->exception_index =
+ env->exception_injected =
events.exception.injected ? events.exception.nr : -1;
env->has_error_code = events.exception.has_error_code;
env->error_code = events.exception.error_code;
diff --git a/target-i386/machine.c b/target-i386/machine.c
index 2fb8fab..567e01e 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -448,6 +448,7 @@
VMSTATE_INT32_V(interrupt_injected, CPUState, 9),
VMSTATE_UINT32_V(mp_state, CPUState, 9),
VMSTATE_UINT64_V(tsc, CPUState, 9),
+ VMSTATE_INT32_V(exception_injected, CPUState, 11),
VMSTATE_UINT8_V(soft_interrupt, CPUState, 11),
VMSTATE_UINT8_V(nmi_injected, CPUState, 11),
VMSTATE_UINT8_V(nmi_pending, CPUState, 11),
