kvm: enable smp > 1

Process INIT/SIPI requests and enable -smp > 1.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
master
Marcelo Tosatti 2010-05-04 09:45:27 -03:00
parent dbaa07c404
commit 0af691d779
5 changed files with 33 additions and 5 deletions

View File

@ -593,11 +593,6 @@ int kvm_init(int smp_cpus)
int ret;
int i;
if (smp_cpus > 1) {
fprintf(stderr, "No SMP KVM support, use '-smp 1'\n");
return -EINVAL;
}
s = qemu_mallocz(sizeof(KVMState));
#ifdef KVM_CAP_SET_GUEST_DEBUG
@ -840,6 +835,11 @@ int kvm_cpu_exec(CPUState *env)
}
#endif
if (kvm_arch_process_irqchip_events(env)) {
ret = 0;
break;
}
if (env->kvm_vcpu_dirty) {
kvm_arch_put_registers(env, KVM_PUT_RUNTIME_STATE);
env->kvm_vcpu_dirty = 0;

2
kvm.h
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@ -90,6 +90,8 @@ int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
int kvm_arch_process_irqchip_events(CPUState *env);
int kvm_arch_get_registers(CPUState *env);
/* state subset only touched by the VCPU itself during runtime */

View File

@ -1073,6 +1073,22 @@ int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
return 0;
}
int kvm_arch_process_irqchip_events(CPUState *env)
{
if (env->interrupt_request & CPU_INTERRUPT_INIT) {
kvm_cpu_synchronize_state(env);
do_cpu_init(env);
env->exception_index = EXCP_HALTED;
}
if (env->interrupt_request & CPU_INTERRUPT_SIPI) {
kvm_cpu_synchronize_state(env);
do_cpu_sipi(env);
}
return env->halted;
}
static int kvm_handle_halt(CPUState *env)
{
if (!((env->interrupt_request & CPU_INTERRUPT_HARD) &&

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@ -224,6 +224,11 @@ int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
return 0;
}
int kvm_arch_process_irqchip_events(CPUState *env)
{
return 0;
}
static int kvmppc_handle_halt(CPUState *env)
{
if (!(env->interrupt_request & CPU_INTERRUPT_HARD) && (msr_ee)) {

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@ -175,6 +175,11 @@ int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
return 0;
}
int kvm_arch_process_irqchip_events(CPUState *env)
{
return 0;
}
static void kvm_s390_interrupt_internal(CPUState *env, int type, uint32_t parm,
uint64_t parm64, int vm)
{