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[Qemu-devel] [FOR 0.12][PATCH] kvm: x86: Save/restore exception_index
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [FOR 0.12][PATCH] kvm: x86: Save/restore exception_index |
Date: |
Tue, 08 Dec 2009 17:54:55 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
As KVM now makes use of exception_index to keep pending exceptions, we
have to save&restore this field as well.
NOTE: We have to nail the arch-independent exception_index down to a
certain bit width for proper vmstate processing, namely to 32 bit.
Signed-off-by: Jan Kiszka <address@hidden>
---
cpu-defs.h | 2 +-
target-i386/machine.c | 1 +
2 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/cpu-defs.h b/cpu-defs.h
index 95068b5..51dc436 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -179,7 +179,7 @@ typedef struct CPUWatchpoint {
\
/* Core interrupt code */ \
jmp_buf jmp_env; \
- int exception_index; \
+ int32_t exception_index; \
\
CPUState *next_cpu; /* next CPU sharing TB cache */ \
int cpu_index; /* CPU index (informative) */ \
diff --git a/target-i386/machine.c b/target-i386/machine.c
index cdc8898..ab4633e 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -453,6 +453,7 @@ static const VMStateDescription vmstate_cpu = {
VMSTATE_UINT8_V(nmi_pending, CPUState, 11),
VMSTATE_UINT8_V(has_error_code, CPUState, 11),
VMSTATE_UINT32_V(sipi_vector, CPUState, 11),
+ VMSTATE_INT32_V(exception_index, CPUState, 11),
/* MCE */
VMSTATE_UINT64_V(mcg_cap, CPUState, 10),
VMSTATE_UINT64_V(mcg_status, CPUState, 10),
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