diff options
author | Jan Kiszka <jan.kiszka@siemens.com> | 2009-07-20 05:30:12 -0400 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2009-09-10 01:33:16 -0400 |
commit | e601e3be7a5324fcfd34fdb8796688cfe48bd0fe (patch) | |
tree | a8539bdf1fa47d3ff681b67339de031200c8e34e /virt/kvm/kvm_main.c | |
parent | 84fde248fe42f130cdda39faaa8bb1224c6a13ff (diff) |
KVM: Drop obsolete cpu_get/put in make_all_cpus_request
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>
Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r-- | virt/kvm/kvm_main.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 532af9b41ee3..646cf2ae32fd 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c | |||
@@ -741,8 +741,8 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) | |||
741 | if (alloc_cpumask_var(&cpus, GFP_ATOMIC)) | 741 | if (alloc_cpumask_var(&cpus, GFP_ATOMIC)) |
742 | cpumask_clear(cpus); | 742 | cpumask_clear(cpus); |
743 | 743 | ||
744 | me = get_cpu(); | ||
745 | spin_lock(&kvm->requests_lock); | 744 | spin_lock(&kvm->requests_lock); |
745 | me = smp_processor_id(); | ||
746 | kvm_for_each_vcpu(i, vcpu, kvm) { | 746 | kvm_for_each_vcpu(i, vcpu, kvm) { |
747 | if (test_and_set_bit(req, &vcpu->requests)) | 747 | if (test_and_set_bit(req, &vcpu->requests)) |
748 | continue; | 748 | continue; |
@@ -757,7 +757,6 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) | |||
757 | else | 757 | else |
758 | called = false; | 758 | called = false; |
759 | spin_unlock(&kvm->requests_lock); | 759 | spin_unlock(&kvm->requests_lock); |
760 | put_cpu(); | ||
761 | free_cpumask_var(cpus); | 760 | free_cpumask_var(cpus); |
762 | return called; | 761 | return called; |
763 | } | 762 | } |