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Introduce cpu_clean_all_dirty

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Introduce cpu_clean_all_dirty, to force subsequent cpu_synchronize_all_states
to read in-kernel register state.

Cc: qemu-stable@nongnu.org
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marcelo Tosatti 2014-09-05 10:52:46 -03:00 committed by Paolo Bonzini
parent be894f51b6
commit de9d61e83d
4 changed files with 23 additions and 0 deletions
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9
cpus.c
View File

@ -593,6 +593,15 @@ void cpu_synchronize_all_post_init(void)
}
}
void cpu_clean_all_dirty(void)
{
CPUState *cpu;
CPU_FOREACH(cpu) {
cpu_clean_state(cpu);
}
}
static int do_vm_stop(RunState state)
{
int ret = 0;

1
include/sysemu/cpus.h
View File

@ -10,6 +10,7 @@ void cpu_stop_current(void);
void cpu_synchronize_all_states(void);
void cpu_synchronize_all_post_reset(void);
void cpu_synchronize_all_post_init(void);
void cpu_clean_all_dirty(void);
void qtest_clock_warp(int64_t dest);

8
include/sysemu/kvm.h
View File

@ -350,6 +350,7 @@ int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
void kvm_cpu_synchronize_state(CPUState *cpu);
void kvm_cpu_synchronize_post_reset(CPUState *cpu);
void kvm_cpu_synchronize_post_init(CPUState *cpu);
void kvm_cpu_clean_state(CPUState *cpu);
/* generic hooks - to be moved/refactored once there are more users */
@ -374,6 +375,13 @@ static inline void cpu_synchronize_post_init(CPUState *cpu)
}
}
static inline void cpu_clean_state(CPUState *cpu)
{
if (kvm_enabled()) {
kvm_cpu_clean_state(cpu);
}
}
int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg);
int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg);
void kvm_irqchip_release_virq(KVMState *s, int virq);

5
kvm-all.c
View File

@ -1708,6 +1708,11 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu)
run_on_cpu(cpu, do_kvm_cpu_synchronize_post_init, cpu);
}
void kvm_cpu_clean_state(CPUState *cpu)
{
cpu->kvm_vcpu_dirty = false;
}
int kvm_cpu_exec(CPUState *cpu)
{
struct kvm_run *run = cpu->kvm_run;