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authorJan Kiszka <jan.kiszka@siemens.com>2009-07-20 11:30:12 +0200
committerAvi Kivity <avi@redhat.com>2009-09-10 08:33:16 +0300
commite601e3be7a5324fcfd34fdb8796688cfe48bd0fe (patch)
treea8539bdf1fa47d3ff681b67339de031200c8e34e /virt
parent84fde248fe42f130cdda39faaa8bb1224c6a13ff (diff)
downloadlinux-2.6.34-ux500-e601e3be7a5324fcfd34fdb8796688cfe48bd0fe.tar.gz
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')
-rw-r--r--virt/kvm/kvm_main.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 532af9b41ee..646cf2ae32f 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)
if (alloc_cpumask_var(&cpus, GFP_ATOMIC))
cpumask_clear(cpus);
- me = get_cpu();
spin_lock(&kvm->requests_lock);
+ me = smp_processor_id();
kvm_for_each_vcpu(i, vcpu, kvm) {
if (test_and_set_bit(req, &vcpu->requests))
continue;
@@ -757,7 +757,6 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
else
called = false;
spin_unlock(&kvm->requests_lock);
- put_cpu();
free_cpumask_var(cpus);
return called;
}