Commit e4d04071 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by H. Peter Anvin
Browse files

xen: use direct ops on 64-bit 



Enable the use of the direct vcpu-access operations on 64-bit.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent 5393744b

arch/x86/xen/enlighten.c

+1 −13
Original line number Original line Diff line number Diff line
@@ -87,14 +87,7 @@ struct shared_info *HYPERVISOR_shared_info = (void *)&xen_dummy_shared_info; 
 *

 *

 * 0: not available, 1: available

 * 0: not available, 1: available

 */

 */

static int have_vcpu_info_placement =

static int have_vcpu_info_placement = 1;

#ifdef CONFIG_X86_32

	1

#else

	0

#endif

	;







static void xen_vcpu_setup(int cpu)

static void xen_vcpu_setup(int cpu)

{

{
@@ -914,11 +907,6 @@ asmlinkage void __init xen_start_kernel(void) 




	machine_ops = xen_machine_ops;

	machine_ops = xen_machine_ops;





#ifdef CONFIG_X86_64

	/* Disable until direct per-cpu data access. */

	have_vcpu_info_placement = 0;

#endif



#ifdef CONFIG_X86_64

#ifdef CONFIG_X86_64

	/*

	/*

	 * Setup percpu state.  We only need to do this for 64-bit

	 * Setup percpu state.  We only need to do this for 64-bit