KVM: Adjust smp_call_function_mask() callers to new requirements

smp_call_function_mask() now complains when called in a preemptible context;
adjust its callers accordingly.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-07-20 14:24:22 +03:00
parent 722c05f219
commit 597a5f551e

View File

@ -105,10 +105,11 @@ static void ack_flush(void *_completed)
void kvm_flush_remote_tlbs(struct kvm *kvm)
{
int i, cpu;
int i, cpu, me;
cpumask_t cpus;
struct kvm_vcpu *vcpu;
me = get_cpu();
cpus_clear(cpus);
for (i = 0; i < KVM_MAX_VCPUS; ++i) {
vcpu = kvm->vcpus[i];
@ -117,21 +118,24 @@ void kvm_flush_remote_tlbs(struct kvm *kvm)
if (test_and_set_bit(KVM_REQ_TLB_FLUSH, &vcpu->requests))
continue;
cpu = vcpu->cpu;
if (cpu != -1 && cpu != raw_smp_processor_id())
if (cpu != -1 && cpu != me)
cpu_set(cpu, cpus);
}
if (cpus_empty(cpus))
return;
goto out;
++kvm->stat.remote_tlb_flush;
smp_call_function_mask(cpus, ack_flush, NULL, 1);
out:
put_cpu();
}
void kvm_reload_remote_mmus(struct kvm *kvm)
{
int i, cpu;
int i, cpu, me;
cpumask_t cpus;
struct kvm_vcpu *vcpu;
me = get_cpu();
cpus_clear(cpus);
for (i = 0; i < KVM_MAX_VCPUS; ++i) {
vcpu = kvm->vcpus[i];
@ -140,12 +144,14 @@ void kvm_reload_remote_mmus(struct kvm *kvm)
if (test_and_set_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests))
continue;
cpu = vcpu->cpu;
if (cpu != -1 && cpu != raw_smp_processor_id())
if (cpu != -1 && cpu != me)
cpu_set(cpu, cpus);
}
if (cpus_empty(cpus))
return;
goto out;
smp_call_function_mask(cpus, ack_flush, NULL, 1);
out:
put_cpu();
}