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xen: use direct ops on 64-bit
Enable the use of the direct vcpu-access operations on 64-bit. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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1 changed files with 1 additions and 13 deletions
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@ -87,14 +87,7 @@ struct shared_info *HYPERVISOR_shared_info = (void *)&xen_dummy_shared_info;
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*
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* 0: not available, 1: available
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*/
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static int have_vcpu_info_placement =
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#ifdef CONFIG_X86_32
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1
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#else
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0
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#endif
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;
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static int have_vcpu_info_placement = 1;
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static void xen_vcpu_setup(int cpu)
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{
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@ -914,11 +907,6 @@ asmlinkage void __init xen_start_kernel(void)
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machine_ops = xen_machine_ops;
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#ifdef CONFIG_X86_64
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/* Disable until direct per-cpu data access. */
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have_vcpu_info_placement = 0;
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#endif
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#ifdef CONFIG_X86_64
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/*
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* Setup percpu state. We only need to do this for 64-bit
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