AcoSail/kernel_optimize_test
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KVM: move alloc_apic_access_page() outside of non-preemptable region

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alloc_apic_access_page() can sleep, while vmx_vcpu_setup is called
inside a non preemptable region. Move it after put_cpu().

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Marcelo Tosatti 2008-02-14 21:21:43 -02:00 committed by Avi Kivity
parent a2938c8070
commit 5e4a0b3c1b
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kvm/vmx.c
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@ -1605,9 +1605,6 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
vmcs_writel(CR0_GUEST_HOST_MASK, ~0UL);
vmcs_writel(CR4_GUEST_HOST_MASK, KVM_GUEST_CR4_MASK);
if (vm_need_virtualize_apic_accesses(vmx->vcpu.kvm))
if (alloc_apic_access_page(vmx->vcpu.kvm) != 0)
return -ENOMEM;
return 0;
}
@ -2537,6 +2534,9 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
put_cpu();
if (err)
goto free_vmcs;
if (vm_need_virtualize_apic_accesses(kvm))
if (alloc_apic_access_page(kvm) != 0)
goto free_vmcs;
return &vmx->vcpu;