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-rw-r--r--exec.c17
-rw-r--r--hw/apic.c2
-rw-r--r--hw/ppc_newworld.c3
-rw-r--r--hw/ppc_oldworld.c3
-rw-r--r--hw/s390-virtio.c1
-rw-r--r--kvm-all.c19
-rw-r--r--kvm.h25
-rw-r--r--savevm.c4
-rw-r--r--sysemu.h4
-rw-r--r--target-i386/kvm.c2
-rw-r--r--target-i386/machine.c11
-rw-r--r--target-ppc/kvm.c2
-rw-r--r--target-ppc/machine.c4
-rw-r--r--target-s390x/kvm.c3
-rw-r--r--vl.c29
15 files changed, 77 insertions, 52 deletions
diff --git a/exec.c b/exec.c
index f41518e8a3..891e0eee03 100644
--- a/exec.c
+++ b/exec.c
@@ -512,21 +512,6 @@ void cpu_exec_init_all(unsigned long tb_size)
#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
-static void cpu_common_pre_save(void *opaque)
-{
- CPUState *env = opaque;
-
- cpu_synchronize_state(env);
-}
-
-static int cpu_common_pre_load(void *opaque)
-{
- CPUState *env = opaque;
-
- cpu_synchronize_state(env);
- return 0;
-}
-
static int cpu_common_post_load(void *opaque, int version_id)
{
CPUState *env = opaque;
@@ -544,8 +529,6 @@ static const VMStateDescription vmstate_cpu_common = {
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
- .pre_save = cpu_common_pre_save,
- .pre_load = cpu_common_pre_load,
.post_load = cpu_common_post_load,
.fields = (VMStateField []) {
VMSTATE_UINT32(halted, CPUState),
diff --git a/hw/apic.c b/hw/apic.c
index 87e7dc0ba9..3c90f4c845 100644
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -938,8 +938,6 @@ static void apic_reset(void *opaque)
APICState *s = opaque;
int bsp;
- cpu_synchronize_state(s->cpu_env);
-
bsp = cpu_is_bsp(s->cpu_env);
s->apicbase = 0xfee00000 |
(bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index bc86c851e7..d4f9013fe5 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -167,9 +167,6 @@ static void ppc_core99_init (ram_addr_t ram_size,
envs[i] = env;
}
- /* Make sure all register sets take effect */
- cpu_synchronize_state(env);
-
/* allocate RAM */
ram_offset = qemu_ram_alloc(ram_size);
cpu_register_physical_memory(0, ram_size, ram_offset);
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index 04a78358dd..93c95ba659 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -165,9 +165,6 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
envs[i] = env;
}
- /* Make sure all register sets take effect */
- cpu_synchronize_state(env);
-
/* allocate RAM */
if (ram_size > (2047 << 20)) {
fprintf(stderr,
diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c
index 3582728378..ad3386f607 100644
--- a/hw/s390-virtio.c
+++ b/hw/s390-virtio.c
@@ -185,7 +185,6 @@ static void s390_init(ram_addr_t ram_size,
exit(1);
}
- cpu_synchronize_state(env);
env->psw.addr = KERN_IMAGE_START;
env->psw.mask = 0x0000000180000000ULL;
}
diff --git a/kvm-all.c b/kvm-all.c
index 2f7e33a6cd..534ead060d 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -156,10 +156,6 @@ static void kvm_reset_vcpu(void *opaque)
CPUState *env = opaque;
kvm_arch_reset_vcpu(env);
- if (kvm_arch_put_registers(env)) {
- fprintf(stderr, "Fatal: kvm vcpu reset failed\n");
- abort();
- }
}
int kvm_irqchip_in_kernel(void)
@@ -214,7 +210,6 @@ int kvm_init_vcpu(CPUState *env)
if (ret == 0) {
qemu_register_reset(kvm_reset_vcpu, env);
kvm_arch_reset_vcpu(env);
- ret = kvm_arch_put_registers(env);
}
err:
return ret;
@@ -753,6 +748,18 @@ void kvm_cpu_synchronize_state(CPUState *env)
}
}
+void kvm_cpu_synchronize_post_reset(CPUState *env)
+{
+ kvm_arch_put_registers(env, KVM_PUT_RESET_STATE);
+ env->kvm_vcpu_dirty = 0;
+}
+
+void kvm_cpu_synchronize_post_init(CPUState *env)
+{
+ kvm_arch_put_registers(env, KVM_PUT_FULL_STATE);
+ env->kvm_vcpu_dirty = 0;
+}
+
int kvm_cpu_exec(CPUState *env)
{
struct kvm_run *run = env->kvm_run;
@@ -770,7 +777,7 @@ int kvm_cpu_exec(CPUState *env)
#endif
if (env->kvm_vcpu_dirty) {
- kvm_arch_put_registers(env);
+ kvm_arch_put_registers(env, KVM_PUT_RUNTIME_STATE);
env->kvm_vcpu_dirty = 0;
}
diff --git a/kvm.h b/kvm.h
index a602e4552a..b2937b9956 100644
--- a/kvm.h
+++ b/kvm.h
@@ -82,7 +82,14 @@ int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
int kvm_arch_get_registers(CPUState *env);
-int kvm_arch_put_registers(CPUState *env);
+/* state subset only touched by the VCPU itself during runtime */
+#define KVM_PUT_RUNTIME_STATE 1
+/* state subset modified during VCPU reset */
+#define KVM_PUT_RESET_STATE 2
+/* full state set, modified during initialization or on vmload */
+#define KVM_PUT_FULL_STATE 3
+
+int kvm_arch_put_registers(CPUState *env, int level);
int kvm_arch_init(KVMState *s, int smp_cpus);
@@ -126,6 +133,8 @@ int kvm_check_extension(KVMState *s, unsigned int extension);
uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
int reg);
void kvm_cpu_synchronize_state(CPUState *env);
+void kvm_cpu_synchronize_post_reset(CPUState *env);
+void kvm_cpu_synchronize_post_init(CPUState *env);
/* generic hooks - to be moved/refactored once there are more users */
@@ -136,4 +145,18 @@ static inline void cpu_synchronize_state(CPUState *env)
}
}
+static inline void cpu_synchronize_post_reset(CPUState *env)
+{
+ if (kvm_enabled()) {
+ kvm_cpu_synchronize_post_reset(env);
+ }
+}
+
+static inline void cpu_synchronize_post_init(CPUState *env)
+{
+ if (kvm_enabled()) {
+ kvm_cpu_synchronize_post_init(env);
+ }
+}
+
#endif
diff --git a/savevm.c b/savevm.c
index 4b58663960..a6e774b4d0 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1345,6 +1345,8 @@ int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f)
{
SaveStateEntry *se;
+ cpu_synchronize_all_states();
+
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
if (se->save_live_state == NULL)
continue;
@@ -1545,6 +1547,8 @@ int qemu_loadvm_state(QEMUFile *f)
}
}
+ cpu_synchronize_all_post_init();
+
ret = 0;
out:
diff --git a/sysemu.h b/sysemu.h
index 8ba618e54f..d77344c1b9 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -58,6 +58,10 @@ int load_vmstate(Monitor *mon, const char *name);
void do_delvm(Monitor *mon, const QDict *qdict);
void do_info_snapshots(Monitor *mon);
+void cpu_synchronize_all_states(void);
+void cpu_synchronize_all_post_reset(void);
+void cpu_synchronize_all_post_init(void);
+
void qemu_announce_self(void);
void main_loop_wait(int timeout);
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index e0247ea631..2c834dfdcc 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -883,7 +883,7 @@ static int kvm_guest_debug_workarounds(CPUState *env)
return ret;
}
-int kvm_arch_put_registers(CPUState *env)
+int kvm_arch_put_registers(CPUState *env, int level)
{
int ret;
diff --git a/target-i386/machine.c b/target-i386/machine.c
index 87704918be..b547e2ac7a 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -321,8 +321,6 @@ static void cpu_pre_save(void *opaque)
CPUState *env = opaque;
int i;
- cpu_synchronize_state(env);
-
/* FPU */
env->fpus_vmstate = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
env->fptag_vmstate = 0;
@@ -337,14 +335,6 @@ static void cpu_pre_save(void *opaque)
#endif
}
-static int cpu_pre_load(void *opaque)
-{
- CPUState *env = opaque;
-
- cpu_synchronize_state(env);
- return 0;
-}
-
static int cpu_post_load(void *opaque, int version_id)
{
CPUState *env = opaque;
@@ -373,7 +363,6 @@ static const VMStateDescription vmstate_cpu = {
.minimum_version_id = 3,
.minimum_version_id_old = 3,
.pre_save = cpu_pre_save,
- .pre_load = cpu_pre_load,
.post_load = cpu_post_load,
.fields = (VMStateField []) {
VMSTATE_UINTTL_ARRAY(regs, CPUState, CPU_NB_REGS),
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 8ad003799c..aa3d43247b 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -73,7 +73,7 @@ void kvm_arch_reset_vcpu(CPUState *env)
{
}
-int kvm_arch_put_registers(CPUState *env)
+int kvm_arch_put_registers(CPUState *env, int level)
{
struct kvm_regs regs;
int ret;
diff --git a/target-ppc/machine.c b/target-ppc/machine.c
index 4897c8a4d3..67de951959 100644
--- a/target-ppc/machine.c
+++ b/target-ppc/machine.c
@@ -7,8 +7,6 @@ void cpu_save(QEMUFile *f, void *opaque)
CPUState *env = (CPUState *)opaque;
unsigned int i, j;
- cpu_synchronize_state(env);
-
for (i = 0; i < 32; i++)
qemu_put_betls(f, &env->gpr[i]);
#if !defined(TARGET_PPC64)
@@ -96,8 +94,6 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
CPUState *env = (CPUState *)opaque;
unsigned int i, j;
- cpu_synchronize_state(env);
-
for (i = 0; i < 32; i++)
qemu_get_betls(f, &env->gpr[i]);
#if !defined(TARGET_PPC64)
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 0199a650f6..72e77b0cda 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -91,7 +91,7 @@ void kvm_arch_reset_vcpu(CPUState *env)
/* FIXME: add code to reset vcpu. */
}
-int kvm_arch_put_registers(CPUState *env)
+int kvm_arch_put_registers(CPUState *env, int level)
{
struct kvm_regs regs;
int ret;
@@ -296,7 +296,6 @@ static int handle_hypercall(CPUState *env, struct kvm_run *run)
cpu_synchronize_state(env);
r = s390_virtio_hypercall(env);
- kvm_arch_put_registers(env);
return r;
}
diff --git a/vl.c b/vl.c
index 274d847294..10d8e34e50 100644
--- a/vl.c
+++ b/vl.c
@@ -3002,6 +3002,33 @@ static void nographic_update(void *opaque)
qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
}
+void cpu_synchronize_all_states(void)
+{
+ CPUState *cpu;
+
+ for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
+ cpu_synchronize_state(cpu);
+ }
+}
+
+void cpu_synchronize_all_post_reset(void)
+{
+ CPUState *cpu;
+
+ for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
+ cpu_synchronize_post_reset(cpu);
+ }
+}
+
+void cpu_synchronize_all_post_init(void)
+{
+ CPUState *cpu;
+
+ for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
+ cpu_synchronize_post_init(cpu);
+ }
+}
+
struct vm_change_state_entry {
VMChangeStateHandler *cb;
void *opaque;
@@ -3143,6 +3170,7 @@ void qemu_system_reset(void)
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
re->func(re->opaque);
}
+ cpu_synchronize_all_post_reset();
}
void qemu_system_reset_request(void)
@@ -5928,6 +5956,7 @@ int main(int argc, char **argv, char **envp)
machine->init(ram_size, boot_devices,
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
+ cpu_synchronize_all_post_init();
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-12 07:43:22 +0100