Commit de9d61e8 authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Paolo Bonzini
Browse files

Introduce cpu_clean_all_dirty 



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: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent be894f51

cpus.c

+9 −0
Original line number Diff line number Diff line
@@ -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;

include/sysemu/cpus.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

include/sysemu/kvm.h

+8 −0
Original line number Diff line number Diff line
@@ -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);

kvm-all.c

+5 −0
Original line number Diff line number Diff line
@@ -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;