Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

KVM: Drop obsolete cpu_get/put in make_all_cpus_request

Browse source 
spin_lock disables preemption, so we can simply read the current cpu.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2009-07-20 11:30:12 +02:00 committed by Avi Kivity
parent 84fde248fe
commit e601e3be7a
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
virt/kvm/kvm_main.c
View file

@ -741,8 +741,8 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
if (alloc_cpumask_var(&cpus, GFP_ATOMIC)) if (alloc_cpumask_var(&cpus, GFP_ATOMIC))
cpumask_clear(cpus); cpumask_clear(cpus);
me = get_cpu();
spin_lock(&kvm->requests_lock); spin_lock(&kvm->requests_lock);
me = smp_processor_id();
kvm_for_each_vcpu(i, vcpu, kvm) { kvm_for_each_vcpu(i, vcpu, kvm) {
if (test_and_set_bit(req, &vcpu->requests)) if (test_and_set_bit(req, &vcpu->requests))
continue; continue;
@ -757,7 +757,6 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
else else
called = false; called = false;
spin_unlock(&kvm->requests_lock); spin_unlock(&kvm->requests_lock);
put_cpu();
free_cpumask_var(cpus); free_cpumask_var(cpus);
return called; return called;
} }