Il 21/03/2013 15:28, Igor Mammedov ha scritto:
> * synchronize CPU state to KVM
> * resume CPU, it makes CPU be able to handle interrupts in TCG mode
> and/or with user-space APIC.
>
> Signed-off-by: Igor Mammedov <imamm...@redhat.com>
> ---
> cpus.c | 11 ++++++++---
> include/sysemu/cpus.h | 3 +++
> stubs/Makefile.objs | 1 +
> stubs/resume_vcpu.c | 6 ++++++
> target-i386/cpu.c | 5 +++++
> 5 files changed, 23 insertions(+), 3 deletions(-)
> create mode 100644 stubs/resume_vcpu.c
>
> diff --git a/cpus.c b/cpus.c
> index e919dd7..ae479bf 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -973,6 +973,13 @@ void pause_all_vcpus(void)
> }
> }
>
> +void resume_vcpu(CPUState *cpu)
> +{
> + cpu->stop = false;
> + cpu->stopped = false;
> + qemu_cpu_kick(cpu);
> +}
> +
> void resume_all_vcpus(void)
> {
> CPUArchState *penv = first_cpu;
> @@ -980,9 +987,7 @@ void resume_all_vcpus(void)
> qemu_clock_enable(vm_clock, true);
> while (penv) {
> CPUState *pcpu = ENV_GET_CPU(penv);
> - pcpu->stop = false;
> - pcpu->stopped = false;
> - qemu_cpu_kick(pcpu);
> + resume_vcpu(pcpu);
> penv = penv->next_cpu;
> }
> }
> diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h
> index 6502488..9437df5 100644
> --- a/include/sysemu/cpus.h
> +++ b/include/sysemu/cpus.h
> @@ -1,11 +1,14 @@
> #ifndef QEMU_CPUS_H
> #define QEMU_CPUS_H
>
> +#include "qom/cpu.h"
> +
> /* cpus.c */
> void qemu_init_cpu_loop(void);
> void resume_all_vcpus(void);
> void pause_all_vcpus(void);
> void cpu_stop_current(void);
> +void resume_vcpu(CPUState *cpu);
>
> void cpu_synchronize_all_states(void);
> void cpu_synchronize_all_post_reset(void);
> diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
> index 9c55b34..28fb4f8 100644
> --- a/stubs/Makefile.objs
> +++ b/stubs/Makefile.objs
> @@ -23,3 +23,4 @@ stub-obj-y += sysbus.o
> stub-obj-y += vm-stop.o
> stub-obj-y += vmstate.o
> stub-obj-$(CONFIG_WIN32) += fd-register.o
> +stub-obj-y += resume_vcpu.o
> diff --git a/stubs/resume_vcpu.c b/stubs/resume_vcpu.c
> new file mode 100644
> index 0000000..383b71a
> --- /dev/null
> +++ b/stubs/resume_vcpu.c
> @@ -0,0 +1,6 @@
> +#include "qemu-common.h"
> +#include "sysemu/cpus.h"
> +
> +void resume_vcpu(CPUState *cpu)
> +{
> +}
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index d03ff73..631bcd8 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -2260,6 +2260,11 @@ out:
> error_propagate(errp, local_err);
> return;
> }
> +
> + if (dev->hotplugged) {
> + cpu_synchronize_post_init(env);
> + resume_vcpu(CPU(cpu));
> + }
I think the resume_vcpu should not be here, but in the superclass.
Paolo
> }
>
> /* Enables contiguous-apic-ID mode, for compatibility */
>
