From e601e3be7a5324fcfd34fdb8796688cfe48bd0fe Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Mon, 20 Jul 2009 11:30:12 +0200 Subject: [PATCH] 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 Signed-off-by: Marcelo Tosatti --- virt/kvm/kvm_main.c | 3 +-- 1 file changed, 1 insertion(+), 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) 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; }